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polyurea
urea, homopolymer

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CAS Number: 37955-36-5Picture of molecule3D/inchi
FDA UNII: Search
Formula:(C H4 N2 O)x-
Category:information only not used for fragrances or flavors
 
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
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FDA Mainterm (IAUFC):37955-36-5 ; POLYUREA
 
Physical Properties:
Assay: 95.00 to 100.00
Food Chemicals Codex Listed: No
 
Organoleptic Properties:
Odor and/or flavor descriptions from others (if found).
 
Cosmetic Information:
None found
 
Suppliers:
BOC Sciences
For experimental / research use only.
Polyurea
 
Safety Information:
 
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
 
Safety in Use Information:
Category:
information only not used for fragrances or flavors
Recommendation for polyurea usage levels up to:
 not for fragrance use.
 
Recommendation for polyurea flavor usage levels up to:
 not for flavor use.
 
Safety References:
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
National Institute of Allergy and Infectious Diseases:Data
Chemidplus:0037955365
 
References:
Pubchem (sid):135118377
 
Other Information:
(IUPAC):Atomic Weights of the Elements 2011 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
FDA Indirect Additives used in Food Contact Substances:View
CHEMBL:View
HMDB (The Human Metabolome Database):Search
Wikipedia:View
 
Potential Blenders and core components note
None Found
 
Potential Uses:
None Found
 
Occurrence (nature, food, other):note
 not found in nature
 
Synonyms:
 urea, homopolymer
 

Articles:

US Patents:8,299,011 - Encapsulated active materials
PubMed:Investigating the fall-injury reducing effect of impact absorbing flooring among female nursing home residents: initial results.
PubMed:Robust Composite-Shell Microcapsules via Pickering Emulsification.
PubMed:Synthesis and Photochemical Applications of Processable Polymers Enclosing Photoluminescent Carbon Quantum Dots.
PubMed:Monitoring reactive microencapsulation dynamics using microfluidics.
PubMed:Preparation and post-functionalization of hyperbranched polyurea coatings.
PubMed:Polyurea microcapsules in microfluidics: surfactant control of soft membranes.
PubMed:Dendritic polyurea polymers.
PubMed:Porous polyurea network showing aggregation induced white light emission, applications as biosensor and scaffold for drug delivery.
PubMed:Synthesis and anticoagulant activity of polyureas containing sulfated carbohydrates.
PubMed:Controlling the morphology of polyurea microcapsules using microfluidics.
PubMed:Two glass transitions of polyurea networks: effect of the segmental molecular weight.
PubMed:Clinical characteristics of chronic kidney disease of nontraditional causes in Salvadoran farming communities.
PubMed:Novel technique for repair of severed peripheral nerves in rats using polyurea crosslinked silica aerogel scaffold.
PubMed:[Programs for continuing medical education: a session; 5. Diagnosis and treatment of water disorder].
PubMed:Polyurea-supported metal nanocatalysts: synthesis, characterization and application in selective hydrogenation of o-chloronitrobenzene.
PubMed:Cocoon-in-web-like superhydrophobic aerogels from hydrophilic polyurea and use in environmental remediation.
PubMed:Cellulose nanofiber/nanocrystal reinforced capsules: a fast and facile approach toward assembly of liquid-core capsules with high mechanical stability.
PubMed:Evaluation of dysprosia aerogels as drug delivery systems: a comparative study with random and ordered mesoporous silicas.
PubMed:Dynamic urea bond for the design of reversible and self-healing polymers.
PubMed:Sensorineural deafness in patients of type 2 diabetes mellitus in uttar pradesh: a pilot study.
PubMed:Polyurethane and polyurea nanoparticles based on polyoxyethylene castor oil derivative surfactant suitable for endovascular applications.
PubMed:Area selective molecular layer deposition of polyurea films.
PubMed:Thickness design, fabrication, and evaluation of 100-MHz polyurea ultrasonic transducer.
PubMed:Experimental study of underwater transmission characteristics of high-frequency 30 MHz polyurea ultrasonic transducer.
PubMed:Reaction monitoring of toluenediisocyanate (TDI) polymerization on a non-mixable aqueous surface by MALDI mass spectrometry.
PubMed:Microencapsulation of a UV-responsive photochromic dye by means of novel UV-screening polyurea-based shells for smart coating applications.
PubMed:In vivo ultrasonic detection of polyurea crosslinked silica aerogel implants.
PubMed:Synthesis and evaluation of degradable polyurea block copolymers as siRNA delivery agents.
PubMed:Highly sensitive, patternable organic films at the nanoscale made by bottom-up assembly.
PubMed:Versatile fabrication of nanocomposite microcapsules with controlled shell thickness and low permeability.
PubMed:Histological evaluation of the biocompatibility of polyurea crosslinked silica aerogel implants in a rat model: a pilot study.
PubMed:The effect of different soft segments on the formation and properties of binary core microencapsulated phase change materials with polyurea/polyurethane double shell.
PubMed:Functional photoacoustic microscopy of diabetic vasculature.
PubMed:Studies on the in vitro and in vivo antiurolithic activity of Holarrhena antidysenterica.
PubMed:Responsive hydrogels produced via organic sol-gel chemistry for cell culture applications.
PubMed:Characterisation and applications of microcapsules obtained by interfacial polycondensation.
PubMed:Biocompatible polyurea dendrimers with pH-dependent fluorescence.
PubMed:Investigation of polyurea-crosslinked silica aerogels as a neuronal scaffold: a pilot study.
PubMed:Formation of Pegylated polyurethane and Lysine-coated polyurea nanoparticles obtained from O/W nano-emulsions.
PubMed:XPS and NEXAFS studies of VUV/O₃-treated aromatic polyurea and its application to microchip electrophoresis.
PubMed:Tribological properties of novel imidazolium ionic liquids bearing benzotriazole group as the antiwear/anticorrosion additive in poly(ethylene glycol) and polyurea grease for steel/steel contacts.
PubMed:Antiurolithic activity of Origanum vulgare is mediated through multiple pathways.
PubMed:WNIN/GR-Ob - an insulin-resistant obese rat model from inbred WNIN strain.
PubMed:Immobilization of trypsin on poly(urea-formaldehyde)-coated fiberglass cores in microchip for highly efficient proteolysis.
PubMed:Synthesis of collagenase-sensitive polyureas for ligament tissue engineering.
PubMed:Molecular layer deposition of functional thin films for advanced lithographic patterning.
PubMed:Profile of diabetic ketoacidosis at a teaching hospital in Benghazi, Libyan Arab Jamahiriya.
PubMed:Zhen-wu-tang, a blended traditional Chinese herbal medicine, ameliorates proteinuria and renal damage of streptozotocin-induced diabetic nephropathy in rats.
PubMed:Folding and self-assembly of aromatic and aliphatic urea oligomers: towards connecting structure and function.
PubMed:Robust, double-walled microcapsules for self-healing polymeric materials.
PubMed:Formation of organic nanoscale laminates and blends by molecular layer deposition.
PubMed:Coupling of triamines with diisocyanates on Au(111) leads to the formation of polyurea networks.
PubMed:Macrocyclic oligoureas with xanthene and diphenyl ether units.
PubMed:Measurement of surface acoustic wave velocity using a variable-line-focus polyurea thin-film ultrasonic transducer.
PubMed:Surface-active monomer as a stabilizer for polyurea nanocapsules synthesized via interfacial polyaddition in inverse miniemulsion.
PubMed:Cross-linked polyvinyl polymers versus polyureas as designed supports for catalytically active M(0) nanoclusters. Part III. Nanometer scale structure of the cross-linked polyurea support EnCat 30 and of the Pd(II)/EnCat 30 and Pd(0)/EnCat 30NP catalysts.
PubMed:Biocompatibility of surfactant-templated polyurea-nanoencapsulated macroporous silica aerogels with plasma platelets and endothelial cells.
PubMed:"Microencapsulated" and related catalysts for organic chemistry and organic synthesis.
PubMed:Helix persistence and breakdown in oligoureas of metaphenylenediamine: apparent diastereotopicity as a spectroscopic marker of helix length in solution.
PubMed:Preparation of polyurea capsules using electrocapillary emulsification.
PubMed:Biomechanical studies on aliphatic physically crosslinked poly(urethane urea) for blood contact applications.
PubMed:New class of anti-microbial agents: synthesis, characterization, and anti-microbial activities of metal chelated polyurea.
PubMed:High-fat, carbohydrate-free diet markedly aggravates obesity but prevents beta-cell loss and diabetes in the obese, diabetes-susceptible db/db strain.
PubMed:Polyurea thin film ultrasonic transducers for nondestructive testing and medical imaging.
PubMed:Microwave-assisted Suzuki cross-coupling reaction, a key step in the synthesis of polycyclic aromatic hydrocarbons and their metabolites.
PubMed:Attract-and-kill strategy. Laboratory studies on hatched larvae of Culex pipiens.
PubMed:A general approach to creating soluble catalytic polymers heterogenized in microcapsules.
PubMed:Investigation of alternative compounds to poly(E-MA) as a polymeric surfactant for preparation of microcapsules by phase separation method.
PubMed:The effect of monomers on the formulation of polymeric nanocapsules based on polyureas and polyamides.
PubMed:Polyurea-functionalized multiwalled carbon nanotubes: synthesis, morphology, and Raman spectroscopy.
PubMed:A reversibly switching block copolymer surface.
PubMed:Efficient batch and continuous flow Suzuki cross-coupling reactions under mild conditions, catalysed by polyurea-encapsulated palladium (II) acetate and tetra-n-butylammonium salts.
PubMed:Preparation of ZnO nanoparticles in a reverse micellar system and their photoluminescence properties.
PubMed:Preparation of Y2O3:Eu3+ nanoparticles in reverse micellar systems and their photoluminescence properties.
PubMed:Membrane formation mechanism of cross-linked polyurea microcapsules by phase separation method.
PubMed:Hemolysate-filled polyethyleneimine and polyurea microcapsules as potential red blood cell substitutes: effect of aqueous monomer type on properties of the prepared microcapsules.
PubMed:Hydrolytic stability of toluene diisocyanate and polymeric methylenediphenyl diisocyanate based polyureas under environmental conditions.
PubMed:Immediate and delayed complications of dexamethasone cyclophosphamide pulse (DCP) therapy.
PubMed:Recyclable polyurea-microencapsulated Pd(0) nanoparticles: an efficient catalyst for hydrogenolysis of epoxides.
PubMed:Controlled-release systems for the insect growth regulator pyriproxyfen.
PubMed:Controlled-release systems for the delivery of cyromazine into water surface.
PubMed:Synthesis of gold functionalized poly-bisvinylethyleneurea/silica hybrid materials.
PubMed:[ImmuCyst intravesical (freeze-dried preparation made from the connaught strain of Bacillus Calmette Guérin) for the treatment of superficial bladder cancer and carcinoma in situ of urinary bladder].
PubMed:Transfer hydrogenation using recyclable polyurea-encapsulated palladium: efficient and chemoselective reduction of aryl ketones.
PubMed:Microencapsulation of osmium tetroxide in polyurea.
PubMed:Synthesis, characterization, and solvolysis of mono- and bis-S-(glutathionyl) adducts of methylene-bis-(phenylisocyanate) (MDI).
PubMed:[Subjective symptoms and objective symptoms on diagnosis of diabetes mellitus].
PubMed:Polyurea-encapsulated palladium(II) acetate: a robust and recyclable catalyst for use in conventional and supercritical media.
PubMed:Encapsulation of palladium in polyurea microcapsules.
PubMed:Methionine-loading test: evaluation of adverse effects and safety in an epidemiological study.
PubMed:Morphology and structure of microcapsules prepared by interfacial polycondensation of methylene bis(phenyl isocyanate) with hexamethylene diamine.
PubMed:Polyanions protect against the in vitro pulmonary toxicity of polycationic paint components associated with the Ardystil syndrome.
PubMed:Bisphosphonate derivatized polyurethanes resist calcification.
PubMed:Soft X-ray spectromicroscopy of polymers and bipolymer interfaces.
PubMed:Preparation of microcapsules containing rare-earth metal elements.
PubMed:In vitro cytotoxicity of textile paint components linked to the "Ardystil syndrome".
PubMed:Chemical and physical characterization of a novel poly(carbonate urea) urethane surface with protein crosslinker sites.
PubMed:The effect of hard segment size on the hydrolytic stability of polyether-urea-urethanes when exposed to cholesterol esterase.
PubMed:Pulmonary toxicity of components of textile paint linked to the Ardystil syndrome: intratracheal administration in hamsters.
PubMed:[Acute myeloid leukemia with monosomy 7 accompanied by central diabetes insipidus].
PubMed:Application of macromolecular additives to reduce the hydrolytic degradation of polyurethanes by lysosomal enzymes.
PubMed:Elastase-induced hydrolysis of synthetic solid substrates: poly(ester-urea-urethane) and poly(ether-urea-urethane).
PubMed:Apparent mineralocorticoid excess due to 11 beta-hydroxysteroid dehydrogenase deficiency: a possible cause of intrauterine growth retardation.
PubMed:Fate and biological effects of polymeric MDI (4,4'-diphenylmethane diisocyanate and homologs) in small artificial ponds.
PubMed:CNS involvement of Langerhans cell histiocytosis. Report of 23 surgically treated cases.
PubMed:Piezoelectricity of biopolymers.
PubMed:An approach to prepare microparticles of uniform size.
PubMed:Primary hyperparathyroidism in patients who have received radiation therapy and in patients who have not received radiation therapy.
PubMed:Blood-contacting properties of polydimethylsiloxane polyurea-urethanes.
PubMed:11 alpha-Hydroxylation of progesterone in biphasic media using alginate-entrapped Aspergillus ochraceus gel beads coated with polyurea.
PubMed:Synthesis, characterization and ex vivo evaluation of polydimethylsiloxane polyurea-urethanes.
PubMed:Effects of diethylenetriamine and Aerosol OT on the stability of oil-in-water emulsion stabilized by interfacial polyurea film.
PubMed:Mild sustained effects of neonatal vasopressin and oxytocin treatment on brain growth and behavior of the rat.
PubMed:Preparation and properties of polyurea microcapsules with non-ionic surfactant as emulsifier.
PubMed:An N-substituted polyurea coating with high affinity for heparin.
PubMed:Preparation of heat responding artificial cells.
PubMed:Freezing behaviour of microencapsulated water.
PubMed:Evaluation of soft tissue response to a poly(urethane urea).
PubMed:Clinical studies of Ukrain in healthy volunteers (phase 1).
PubMed:Safety comparison of insecticide microencapsulation and investigation of its mechanism.
PubMed:A study on the thermostability of microencapsulated glucose oxidase.
PubMed:Preparation of nano- and microspheres by polycondensation techniques.
PubMed:A novel immobilized-enzyme system utilizing microcapsules.
PubMed:A study on heat-resistance of microencapsulated glucose oxidase.
PubMed:Encapsulation of triphenyltin hydroxide.
PubMed:Studies on microcapsules to replace erythrocytes in the passive agglutination reaction.
PubMed:Management of diabetes mellitus (prameha) with inula racemosa and cinnamomum tamala.
PubMed:Effect of aggregation state of hard segment in segmented poly(urethaneureas) on their fatigue behavior after interaction with blood components.
PubMed:Blood-reduced glutathione, serum ceruloplasmin and mineral changes in juvenile diabetes.
PubMed:Some current aspects of environmental fluoride.
PubMed:[Ectopic adrenocorticotropic hormone(ACTH) syndrome with polyurea].
 
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