polyisobutylene
1-propene, 2-methyl-, homopolymer
 
Notes:
component of new surgical dressing material. Used as a food additive [EAFUS]
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CAS Number: 9003-27-4Picture of molecule
Other: 106818-17-1
FDA UNII: 7X53O5S2ZY
MDL: MFCD00084436
Formula: (C4 H8)x-
Category: multipurpose additives
 
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FDA Mainterm: POLYISOBUTYLENE (MIN M W 37,000)
FDA Regulation:
FDA PART 172 -- FOOD ADDITIVES PERMITTED FOR DIRECT ADDITION TO FOOD FOR HUMAN CONSUMPTION
Subpart G--Gums, Chewing Gum Bases and Related Substances
Sec. 172.615 Chewing gum base.


FDA PART 175 -- INDIRECT FOOD ADDITIVES: ADHESIVES AND COMPONENTS OF COATINGS
Subpart B--Substances for Use Only as Components of Adhesives
Sec. 175.105 Adhesives.


FDA PART 175 -- INDIRECT FOOD ADDITIVES: ADHESIVES AND COMPONENTS OF COATINGS
Subpart B--Substances for Use Only as Components of Adhesives
Sec. 175.125 Pressure-sensitive adhesives.


FDA PART 175 -- INDIRECT FOOD ADDITIVES: ADHESIVES AND COMPONENTS OF COATINGS
Subpart C--Substances for Use as Components of Coatings
Sec. 175.300 Resinous and polymeric coatings.


FDA PART 176 -- INDIRECT FOOD ADDITIVES: PAPER AND PAPERBOARD COMPONENTS
Subpart B--Substances for Use Only as Components of Paper and Paperboard
Sec. 176.180 Components of paper and paperboard in contact with dry food.


FDA PART 177 -- INDIRECT FOOD ADDITIVES: POLYMERS
Subpart B--Substances for Use as Basic Components of Single and Repeated Use Food Contact
Sec. 177.1200 Cellophane.


FDA PART 177 -- INDIRECT FOOD ADDITIVES: POLYMERS
Subpart B--Substances for Use as Basic Components of Single and Repeated Use Food Contact
Sec. 177.1210 Closures with sealing gaskets for food containers.


FDA PART 177 -- INDIRECT FOOD ADDITIVES: POLYMERS
Subpart B--Substances for Use as Basic Components of Single and Repeated Use Food Contact
Sec. 177.1390 Laminate structures for use at temperatures of 250 deg. F and above.


FDA PART 177 -- INDIRECT FOOD ADDITIVES: POLYMERS
Subpart B--Substances for Use as Basic Components of Single and Repeated Use Food Contact Surfaces
Sec. 177.1420 Isobutylene polymers.


FDA PART 177 -- INDIRECT FOOD ADDITIVES: POLYMERS
Subpart B--Substances for Use as Basic Components of Single and Repeated Use Food Contact Surfaces
Sec. 177.1420 Isobutylene polymers.


FDA PART 177 -- INDIRECT FOOD ADDITIVES: POLYMERS
Subpart C--Substances for Use Only as Components of Articles Intended for Repeated Use
Sec. 177.2800 Textiles and textile fibers.


FDA PART 178 -- INDIRECT FOOD ADDITIVES: ADJUVANTS, PRODUCTION AIDS, AND SANITIZERS
Subpart B--Substances Utilized To Control the Growth of Microorganisms
Sec. 178.1005 Hydrogen peroxide solution.


FDA PART 178 -- INDIRECT FOOD ADDITIVES: ADJUVANTS, PRODUCTION AIDS, AND SANITIZERS
Subpart B--Substances Utilized To Control the Growth of Microorganisms
Sec. 178.1010 Sanitizing solutions.


FDA PART 178 -- INDIRECT FOOD ADDITIVES: ADJUVANTS, PRODUCTION AIDS, AND SANITIZERS
Subpart D--Certain Adjuvants and Production Aids
Sec. 178.3570 Lubricants with incidental food contact.


FDA PART 178 -- INDIRECT FOOD ADDITIVES: ADJUVANTS, PRODUCTION AIDS, AND SANITIZERS
Subpart D--Certain Adjuvants and Production Aids
Sec. 178.3740 Plasticizers in polymeric substances.


FDA PART 178 -- INDIRECT FOOD ADDITIVES: ADJUVANTS, PRODUCTION AIDS, AND SANITIZERS
Subpart D--Certain Adjuvants and Production Aids
Sec. 178.3910 Surface lubricants used in the manufacture of metallic articles.
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Physical Properties:
Food Chemicals Codex Listed: No
Specific Gravity: 0.92000 @  25.00 °C.
Refractive Index: 1.50450 @  20.00 °C.
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Organoleptic Properties:
  
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Cosmetic Information:
CosIng: cosmetic data
Cosmetic Uses: binding agents
film formers
viscosity controlling agents
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Suppliers:
BOC Sciences
For experimental / research use only.
Poly(isobutylene) 97%
Connect Chemicals
Polyisobutylene (PIB)
Odor: characteristic
Use: Polyisobutylene (PIB) is a very versatile, non-toxic, water-white viscous liquid and has the ability to increase tackiness, to provide water-repellency, to improve viscosity-index and it provides excellent electrical insulation. Product is also known as Polybutene (PB), and is available in various molecular weights and in various viscosities ranging from 5 to 4,700 cSt @ 100°C. The higher the viscosity and molecular weight the stronger the tackiness of the product.
Sigma-Aldrich: Aldrich
For experimental / research use only.
Polyisobutylene average Mw ∼500,000, average Mn ∼200,000 by GPC/MALLS, average Mv ∼420,000
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Safety Information:
Preferred SDS: View
 
Hazards identification
 
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
 
Pictogram
 
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
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Safety in Use Information:
Category: multipurpose additives
Recommendation for polyisobutylene usage levels up to:
 not for fragrance use.
 
Recommendation for polyisobutylene flavor usage levels up to:
 not for flavor use.
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Safety References:
NLM Hazardous Substances Data Bank: Search
Cancer Citations: Search
Toxicology Citations: Search
Env. Mutagen Info. Center: Search
EPA Substance Registry Services (TSCA): 9003-27-4
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
National Institute of Allergy and Infectious Diseases: Data
WGK Germany: 3
Chemidplus: 0009003274
RTECS: UD1010000 for cas# 9003-27-4
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References:
Canada Domestic Sub. List: 9003-27-4
Pubchem (sid): 134989044
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Other Information:
(IUPAC): Atomic Weights of the Elements 2009
(IUPAC): Atomic Weights of the Elements 2009 (pdf)
Videos: The Periodic Table of Videos
tgsc: Atomic Weights use for this web site
(IUPAC): Periodic Table of the Elements
FDA Everything Added to Food in the United States (EAFUS): View
CHEBI: View
HMDB (The Human Metabolome Database): Search
FooDB: FDB010102
Export Tariff Code: 3902.20.5000
Haz-Map: View
Household Products: Search
Wikipedia: View
RSC Learn Chemistry: View
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Potential Blenders and core components note
 
None Found
 
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Potential Uses:
 binding agents 
 film formers 
 viscosity controlling agents 
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Occurrence (nature, food, other): note
 not found in nature
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Synonyms:
isobutene homopolymer
isobutene polymer
isobutylene homopolymer
isobutylene polymer
isobutylene resin
2-methyl-1-propene homopolymer
2-methyl-1-propene, homopolymer
2-methylpropene polymer
 oktol
 oppanol B
 paratac
 poly(2-methyl-1-propene)
 poly(2-methylpropene)
 polyisobutene
1-propene, 2-methyl-, homopolymer
 propene, 2-methyl-, polymers
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Articles:
PubMed: Using Soluble Polymers to Enforce Catalyst-Phase-Selective Solubility and as Antileaching Agents to Facilitate Homogeneous Catalysis.
PubMed: Low temperature spectral dynamics of single molecules in ultrathin polymer films.
PubMed: Mesoscale modeling of shear-thinning polymer solutions.
PubMed: Characterization of the chemical composition of polyisobutylene-based oil-soluble dispersants by fluorescence.
PubMed: Applicability of mode-coupling theory to polyisobutylene: a molecular dynamics simulation study.
PubMed: Modeling the collective relaxation time of glass-forming polymers at intermediate length scales: application to polyisobutylene.
PubMed: Impact of copolymer ratio on drug distribution in styrene-isobutylene-styrene block copolymers.
PubMed: New biomaterial as a promising alternative to silicone breast implants.
PubMed: Formulation and optimization of desogestrel transdermal contraceptive patch using crystallization studies.
PubMed: Controlling colloid charge in nonpolar liquids with surfactants.
PubMed: Spectrally resolved analysis of fluorescence blinking of single dye molecules in polymers at low temperatures.
PubMed: Encapsulated triplet-triplet annihilation-based upconversion in the aqueous phase for sub-band-gap semiconductor photocatalysis.
PubMed: Using plasticizers to control the hydrocarbon selectivity of a poly(methyl methacrylate)-coated quartz crystal microbalance sensor.
PubMed: Polyethylene as a nonvolatile solid cosolvent phase for catalyst separation and recovery.
PubMed: Alkylaminopyridine-modified aluminum aminoterephthalate metal-organic frameworks as components of reactive self-detoxifying materials.
PubMed: Free volume dilatation in polymers by ortho-positronium.
PubMed: Microencapsulation of hydroxyzine HCl by thermal phase separation: in vitro release enhancement and in vivo pharmacodynamic evaluation.
PubMed: Investigation of structure-property relationships of polyisobutylene-based biomaterials: Morphology, thermal, quasi-static tensile and long-term dynamic fatigue behavior.
PubMed: Rationally designed oxaliplatin-nanoparticle for enhanced antitumor efficacy.
PubMed: Thermo-optic coefficient of polyisobutylene ultrathin films measured with integrated photonic devices.
PubMed: Force-free swimming of a model helical flagellum in viscoelastic fluids.
PubMed: Functional polymer laminates from hyperthermal hydrogen induced cross-linking.
PubMed: Towards biologically active self-assemblies: model nucleotide chimeras.
PubMed: Polymersome surface decoration by an EGFP fusion protein employing Cecropin A as peptide "anchor".
PubMed: Surface characterization and protein interactions of segmented polyisobutylene-based thermoplastic polyurethanes.
PubMed: The impact of water and hydrocarbon concentration on the sensitivity of a polymer-based quartz crystal microbalance sensor for organic compounds.
PubMed: Modifying the response of a polymer-based quartz crystal microbalance hydrocarbon sensor with functionalized carbon nanotubes.
PubMed: Polyisobutylene-supported phosphines as recyclable and regenerable catalysts and reagents.
PubMed: Oxidatively induced concurrent cationic and radical polymerization of isobutylene in the presence of LiCB11Me12.
PubMed: High internal phase emulsions under shear. Co-surfactancy and shear stability.
PubMed: Highly hydrophobic electrospun fiber mats from polyisobutylene-based thermoplastic elastomers.
PubMed: Montmorillonite functionalized with pralidoxime as a material for chemical protection against organophosphorous compounds.
PubMed: Engineering of the E. coli outer membrane protein FhuA to overcome the hydrophobic mismatch in thick polymeric membranes.
PubMed: Using two-dimensional correlation dynamic mechanical spectroscopy to detect different modes of molecular motions in the glass-rubber transition region in polyisobutylene.
PubMed: Polyolefin-supported recoverable/reusable Cr(III)-salen catalysts.
PubMed: Low-temperature dynamics in amorphous polymers and low-molecular-weight glasses--what is the difference?
PubMed: Impurity spectroscopy at its ultimate limit: relation between bulk spectrum, inhomogeneous broadening, and local disorder by spectroscopy of (nearly) all individual dopant molecules in solids.
PubMed: Liquid crystal phase behavior of sterically-stabilized goethite.
PubMed: Long term in vitro biostability of segmented polyisobutylene-based thermoplastic polyurethanes.
PubMed: Identification of a mixed microparticle by combined microspectroscopic techniques: a real forensic case study in the biopharmaceutical industry.
PubMed: Diffusive mixing of polymers investigated by Raman microspectroscopy and microrheology.
PubMed: Harnessing structure-activity relationship to engineer a cisplatin nanoparticle for enhanced antitumor efficacy.
PubMed: The stability of high internal phase emulsions at low surfactant concentration studied by small angle neutron scattering.
PubMed: In situ small angle x-ray scattering measurements of the filling process of polyisobutylene and poly-epsilon-caprolactone in ion track etched polycarbonate nanopores.
PubMed: Time-temperature integrator based on the dewetting of polyisobutylene thin films.
PubMed: Multifrequency high-speed phase-modulation atomic force microscopy in liquids.
PubMed: Nano- and microstructure of high-internal phase emulsions under shear.
PubMed: Hierarchically macroporous cryogels of polyisobutylene and silica nanoparticles.
PubMed: Variable-temperature NMR studies of soluble polymer-supported phosphine-silver complexes.
PubMed: Drug-eluting stent coatings.
PubMed: A nanostructured carbon-reinforced polyisobutylene-based thermoplastic elastomer.
PubMed: Synthesis of POSS-Functionalized Polyisobutylene via Direct Initiation.
PubMed: Dopant-assisted atmospheric pressure photoionization mass spectrometry of polyisobutylene derivatives initiated by mono- and bifunctional initiators.
PubMed: Effect of confinement on droplet coalescence in shear flow.
PubMed: Nano- and microstructure of air/oil/water interfaces.
PubMed: Structure of high internal phase aqueous-in-oil emulsions and related inverse micelle solutions. 3. Variation of surfactant.
PubMed: Structure of high internal phase aqueous-in-oil emulsions and related inverse micelle solutions. 4. Surfactant mixtures.
PubMed: Surface-active monomer as a stabilizer for polyurea nanocapsules synthesized via interfacial polyaddition in inverse miniemulsion.
PubMed: Effect of impurity molecules on the low-temperature vibrational dynamics of polyisobutylene: investigation by single-molecule spectroscopy.
PubMed: Ordered mesoporous Sb-, Nb-, and Ta-doped SnO2 thin films with adjustable doping levels and high electrical conductivity.
PubMed: Multimodal dynamic imaging of therapeutic biomedical coatings in aqueous medium.
PubMed: Synthesis of J-aggregating dibenz[a,j]anthracene-based macrocycles.
PubMed: IR absorption and reflectometric interference spectroscopy (RIfS) combined to a new sensing approach for gas analytes absorbed into thin polymer films.
PubMed: LiCB(11)(CH(3))(12)-catalyzed radical polymerization of isobutylene: highly branched polyisobutylene and an isobutylene-ethyl acrylate copolymer.
PubMed: Polyisobutylene-anchored N-heterocyclic carbene ligands.
PubMed: Final report of the cosmetic ingredient review expert panel on the safety assessment of Polyisobutene and Hydrogenated Polyisobutene as used in cosmetics.
PubMed: Preparation and in vitro evaluation of a new fentanyl patch based on acrylic/silicone pressure-sensitive adhesive blends.
PubMed: Glassy properties and viscous slowing down: An analysis of the correlation between nonergodicity factor and fragility.
PubMed: A phospholipid-modified polystyrene-polyisobutylene-polystyrene (SIBS) triblock polymer for enhanced hemocompatibility and potential use in artificial heart valves.
PubMed: Formation of nematic liquid crystals of sterically stabilized layered double hydroxide platelets.
PubMed: Transfer of CO2, N2O and CH4 to butyl rubber (polyisobutylene) septa during storage.
PubMed: Atmospheric pressure photoionization mass spectrometry of polyisobutylene derivatives.
PubMed: A phase separable polycarbonate polymerization catalyst.
PubMed: Water-soluble interpolyelectrolyte complexes of polyisobutylene-block-poly(methacrylic acid) micelles: formation and properties.
PubMed: Electrostatic interactions of colloidal particles in nonpolar solvents: role of surface chemistry and charge control agents.
PubMed: Polyisobutylene-block-poly(methacrylic acid) diblock copolymers: self-assembly in aqueous media.
PubMed: Modeling Carbon-Black/Polymer Composite Sensors.
PubMed: Heptane-soluble ring-closing metathesis catalysts.
PubMed: Self-association of bis-(alpha,beta-D-glucopyranosyl)-polyisobutylene.
PubMed: Genetic algorithm for the determination of binodal curves in ternary systems polymer-liquid(1)-liquid(2) and polymer(1)-polymer(2)-solvent.
PubMed: Nonaqueous suspensions of surface-modified kaolin.
PubMed: Experimental evidence of the local character of vibrations constituting the Boson peak in amorphous solids.
PubMed: Synthesis, characterization, properties, and drug release of poly(alkyl methacrylate-b-isobutylene-b-alkyl methacrylate).
PubMed: Anomalous sorption of supercritical fluids on polymer thin films.
PubMed: [Analysis of modifying polymer in the modified asphaltum waterproof membrane].
PubMed: Flexible carbon nanotube sensors for nerve agent simulants.
PubMed: The identification of the emulsifier component of emulsion explosives by liquid chromatography-mass spectrometry.
PubMed: Biocompatibility and fatigue properties of polystyrene-polyisobutylene-polystyrene, an emerging thermoplastic elastomeric biomaterial.
PubMed: [Charge control and IR analysis of amine on diarylide yellow pigment PY14].
PubMed: An infrared evanescent wave sensing system coupled with a hollow fiber membrane for detection of volatile organic compounds in aqueous solutions.
PubMed: Controlled delivery of paclitaxel from stent coatings using poly(hydroxystyrene-b-isobutylene-b-hydroxystyrene) and its acetylated derivative.
PubMed: Evaluation of the transdermal permeation behavior of Proterguride from drug in adhesive matrix patches through hairless mouse skin.
PubMed: Local friction in polyolefin blends.
PubMed: Dispersion of the local parameters of quasilocalized low-frequency vibrational modes in a low-temperature glass: direct observation via single-molecule spectroscopy.
PubMed: Analysis of liquid-phase chemical detection using guided shear horizontal-surface acoustic wave sensors.
PubMed: Analysis of one-dimensional pure-exchange NMR experiments for studying dynamics with broad distributions of correlation times.
PubMed: Wetting by simple room-temperature polymer melts: deviations from Newtonian behavior.
PubMed: Effect of temperature on carbon-black agglomeration in hydrocarbon liquid with adsorbed dispersant.
PubMed: Interfacial tensions from drop retraction versus pendant drop data and polydispersity effects.
PubMed: Measurement of anisotropic energy transport in flowing polymers by using a holographic technique.
PubMed: Relation between pressure shift and electric-field shift of single-molecule lines in a polymer glass.
PubMed: Anomalous mixing behavior of polyisobutylene/polypropylene blends: molecular dynamics simulation study.
PubMed: Mixtures of lattice polymers with structured monomers.
PubMed: Biomedical application of commercial polymers and novel polyisobutylene-based thermoplastic elastomers for soft tissue replacement.
PubMed: Terminally functionalized polyisobutylene oligomers as soluble supports in catalysis.
PubMed: The glass transition time scale and configurational entropy in polymers: an experimental molecular view.
PubMed: Permeation of ciclopirox across porcine hoof membrane: effect of pressure sensitive adhesives and vehicles.
PubMed: [Determination of iron and nickel in crude oils by emulsification technique-FAAS method].
PubMed: Lévy statistics for random single-molecule line shapes in a glass.
PubMed: Micropatterned polymeric gratings as chemoresponsive volatile organic compound sensors: implications for analyte detection and identification via diffraction-based sensor arrays.
PubMed: Adsorption isotherm and atomic force microscopy studies of the interactions between polymers and surfactants on steel surfaces in hydrocarbon media.
PubMed: Development of matrix patches for transdermal delivery of a highly lipophilic antiestrogen.
PubMed: Characterization and performance of membranes designed for macroencapsulation/implantation of pancreatic islet cells.
PubMed: Development of a novel soft hydrogel for the transdermal delivery of testosterone.
PubMed: Matrix-Assisted Laser Desorption/Ionization Mass Spectrometric study of bis(imidazole-1-carboxylate) endfunctionalized polymers,.
PubMed: Thin films of block copolymer blends for enhanced performance of acoustic wave-based chemical sensors.
PubMed: Transdermal delivery of physostigmine: effects of enhancers and pressure-sensitive adhesives.
PubMed: Intermediate length scale dynamics of polyisobutylene.
PubMed: Application of confocal laser scanning microscopy in characterization of chemical enhancers in drug-in-adhesive transdermal patches.
PubMed: A plastic explosive by mouth.
PubMed: Effect of additives on the crystallization and the permeation of ketoprofen from adhesive matrix.
PubMed: Release of chemical permeation enhancers from drug-in-adhesive transdermal patches.
PubMed: Evaluation of polyoxyethylene homopolymers for buccal bioadhesive drug delivery device formulations.
PubMed: Preparation and in vitro dissolution of isoniazid from ethylcellulose microcapsules.
PubMed: Microencapsulation of ascorbic acid: effect of process variables on product characteristics.
PubMed: Effect of gamma Irradiation on Latex Film Dissolution.
PubMed: Design and in vitro evaluation of adhesive matrix for transdermal delivery of propranolol.
PubMed: ATR-FTIR sensor development for continuous on-line monitoring of chlorinated aliphatic hydrocarbons in a fixed-bed bioreactor.
PubMed: Effect of vehicles and pressure sensitive adhesives on the permeation of tacrine across hairless mouse skin.
PubMed: Preparation and biopharmaceutical evaluation of nitrofurantoin loaded Eudragit RS100 and Eudragit RL 100 micropellets.
PubMed: Design and biopharmaceutical evaluation of nitrofurantoin-loaded Eudragit RS100 micropellets.
PubMed: Development of a membrane-controlled transdermal therapeutic system containing isosorbide dinitrate.
PubMed: Novel polyisobutylene/polydimethylsiloxane bicomponent networks: III. Tissue compatibility.
PubMed: Therapeutic effect and pharmacokinetics of ketotifen transdermal delivery system.
PubMed: Skin adhesives and skin adhesion. 1. Transdermal drug delivery systems.
PubMed: Investigation of the Dielectric beta-Process in Polyisobutylene by Incoherent Quasielastic Neutron Scattering.
PubMed: An unexpected complication of urinary stomata.
PubMed: Amphiphilic networks. X. Diffusion of glucose and insulin (and nondiffusion of albumin) through amphiphilic membranes.
PubMed: A Double-Modulation ESR Study of Internal Dynamics in the Glassy Polymer Matrix Detected by a Nitroxide Spin Probe
PubMed: Allergic contact dermatitis from polyisobutylene in stoma bags.
PubMed: Controlled transdermal delivery of fentanyl: characterizations of pressure-sensitive adhesives for matrix patch design.
PubMed: Effect of microcapsule size and polyisobutylene concentration on the release of theophylline from ethylcellulose microcapsules.
PubMed: The effects of backing materials and multilayered systems on the characteristics of bioadhesive buccal patches.
PubMed: Microencapsulation of chloroquine diphosphate by Eudragit RS100.
PubMed: Investigating the surface properties and bioadhesion of buccal patches.
PubMed: Interaction between drugs and pressure-sensitive adhesives in transdermal therapeutic systems.
PubMed: Effect of polybutadiene on the encapsulation efficiency of ethyl cellulose microcapsules of sulphadiazine.
PubMed: Change of the vibrational dynamics near the glass transition in polyisobutylene: Inelastic neutron scattering on a nonfragile polymer.
PubMed: Polyisobutylene-toughened poly(methyl methacrylate): III. PMMA-l-PIB networks as bone cements.
PubMed: Migration of polyisobutylene from polyethylene/polyisobutylene films into foods during domestic and microwave oven use.
PubMed: Interfacial polymerization encapsulation of a viscous pigment mix: emulsification conditions and particle size distribution.
PubMed: Formulation parameters affecting the preparation and properties of microencapsulated ion-exchange resins containing theophylline.
PubMed: Tumorigenesis and carcinogenesis studies of a number of insulation oils and fluids on hairless and SENCAR mice with special reference to skin tumours and malignant lymphomas.
PubMed: Phase separation modulation and aggregation prevention: mechanism of the non-solvent addition method in the presence and absence of polyisobutylene as an additive.
PubMed: Amphiphilic networks: II. Biocompatibility and controlled drug release of poly[isobutylene-co-2-(dimethylamino)ethyl methacrylate].
PubMed: Some new methods for affixing sections to glass slides. III. Pressure-sensitive adhesives.
PubMed: In vitro release behaviour of theophylline from PIB-induced ethylcellulose microcapsules interpreted by simple mathematical functions.
PubMed: Some new methods for affixing sections to glass slides. II. Organic-solvent based adhesives.
PubMed: Cell transformation and promoter activity of insulation oils in the Syrian hamster embryo cell and in the C3H/10T1/2 mouse embryo fibroblast test systems.
PubMed: Polyacrylate resin (Eudragit retard) microcapsules as a controlled release drug delivery system-improved non-solvent addition phase separation process.
PubMed: Microencapsulation of paracetamol using polyacrylate resins (Eudragit Retard), kinetics of drug release and evaluation of kinetic model.
PubMed: Influence of coacervation-inducing agents and cooling rates on the preparation and in vitro release of bleomycin hydrochloride microcapsules.
PubMed: Elasto-thixotropic properties of bronchial mucus and polymer analogs. I. Experimental results.
PubMed: Studies on microcapsules. III. Influence of molecular weight of polyisobutylene in the microencapsulation of ascorbic acid.
PubMed: Transdermal clonidine application: long-term results in essential hypertension.
PubMed: [Efficacy of Stomahesive in the topical therapy of ulcers of the lower extremities].
PubMed: Effect of polyisobutylene on ethyl cellulose-walled microcapsules: wall structure and thickness of salicylamide and theophylline microcapsules.
PubMed: Interactions of bovine thrombin and plasma albumin with low-energy surfaces.
PubMed: The effect of polyisobutylene on the coacervation of ethyl cellulose and the formation of microcapsules [proceedings].
PubMed: Varihesive sealed dressing for indolent leg ulcers.
PubMed: Physical Factors in Denture Retention.
PubMed: Biologic effect of polyisobutylene on bony tissue in guinea pigs.
PubMed: Biologic effect of polyisobutylene on HeLa cells and on subcutaneous tissue in guinea pigs.
PubMed: Effects of heat and ultraviolet radiation on the stability of a polypropylene--polyisobutylene alloy.
PubMed: Further studies on the melt viscosity of polyisobutylene.
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