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Supplier: Accuris
Description: Low MDI Urethane Foam, Prepolymer
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Supplier: Accuris
Description: Low MDI Urethane Acoustical Foam, Prepolymer
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Supplier: ACCRAbond, Inc.
Description: CONATHANE® RN-1503 is a liquid prepolymer that produces a flexible urethane with the elasticity of rubber. RN-1503 is a high performance prepolymer based on PTMEG polyether.
- End Product: Type: Elastomer
- Structure: Prepolymer
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Supplier: ACCRAbond, Inc.
Description: CONATHANE® RN-1505 is a liquid prepolymer that produces a semi-rigid urethane with the elasticity of rubber.
- End Product: Type: Elastomer
- Structure: Prepolymer
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Supplier: ACCRAbond, Inc.
Description: CONATHANE® RN-1526 is a liquid prepolymer that produces a semi-rigid urethane with the elasticity of rubber.
- End Product: Type: Elastomer
- Structure: Prepolymer
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Supplier: ACCRAbond, Inc.
Description: CONATHANE® RN-1515 is a liquid prepolymer that produces a semi-rigid urethane with the elasticity of rubber. CONATHANE® RN-1515 is a high performance prepolymer based on PTMEG polyether.
- End Product: Type: Elastomer
- Structure: Prepolymer
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Supplier: Accuris
Description: Testing Methods for Tolylene Diisocyanate Type Prepolymers for Thermosetting Urethane Elastomers
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Supplier: Accuris
Description: STANDARD TEST METHOD FOR ISOCYANATE GROUPS IN URETHANE MATERIALS OR PREPOLYMERS
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Supplier: ASTM International
Description: 1.1 This test method covers the determination of the isocyanate group (NCO) content of a urethane intermediate or prepolymer. 1.2 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard
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Supplier: ASTM International
Description: 1.1 This test method covers the determination of the isocyanate group (NCO) content of a urethane intermediate or prepolymer. 1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3 This standard
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Supplier: ASTM International
Description: 1.1 This test method covers the determination of the isocyanate group (NCO) content of a urethane intermediate or prepolymer. 1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard
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Supplier: ASTM International
Description: 1.1 This test method covers the determination of the isocyanate group (NCO) content of a urethane intermediate or prepolymer. 1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3 This standard does not
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Supplier: Epoxies Etc...
Description: 70-2800 Polyurethane Elastomer Series are a line of high performance urethane prepolymers based on menthane diisocyanate, MDI. They do not contain MOCA or TDI. 70-2800 Urethanes are very low in viscosity, have extremely low shrinkage, and excellent air release properties.
- Chemical / Polymer System Type: Polyurethane (PU, PUR)
- Cure Type / Technology: Thermosetting / Crosslinking, Room Temp. Cure / Vulcanizing, Single Component System
- Features: Encapsulating / Potting, Flexible / Dampening
- Industry: Tooling / Mold Material
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Supplier: Gelest, Inc.
Description: functional trialkoxy silane ?c of treated surfaces: 31 mN/m pKb 25H2O: 5.18 Used in microparticle surface modification Coupling agent for UV cure and epoxy systems Orients liquid crystals Reacts with urethane prepolymers to form moisture-curable resins
- Flash Point: 180 F
- Ionic Component: Metalloids (B, Si, Ge, etc.), Non-Metals (C, N, O, P, S)
- Purity: 97 %
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Properties of UV‐curable polyurethane acrylates for primary optical fiber coating
In this vein, we used polypropylene glycol (PPG) or a mix- ture of PPG and PBD with various concentrations as well as PBD alone to prepare the urethane pre- polymers , We investigated the effects of the types and concentrations of the polyols …
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Properties of UV‐curable polyurethane acrylates using nonyellowing polyisocyanate for floor coating
In this vein, therefore, we used four different an- tiyellowing polyisocyanates and two hydroxyacry- lates to prepare urethane prepolymers .
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Chemorheology and thermomechanical characteristics of benzoxazine‐urethane copolymers
The results reveal that a processing window of the BA‐a/PU mixtures is widened with the increasing urethane prepolymer fraction, that is, the liquefying temperature is lowered and the gel point shifted to higher temperature with the amount of the PU.
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Alloys and Composites of Polybenzoxazines
Jamshidi S, Yeganeh H, Mehdipour-Ataei S (2011) Poly(urethane-co-benzoxazine)s via reaction of phenol terminated urethane prepolymers and benzoxazine monomer and investigation of their properties.
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The Synthesis of Isocyanated DOPA Derivatives for Bioadhesives Application: Part I
Therefore, in this work, l‐3,4‐dihydroxyphenylalanine (l‐DOPA) as a third component from mussel's adhesive proteins was introduced to the urethane prepolymer to enhance the adhesive ability through a series of chemical reactions such as esterification, amidation, and handling of protection groups.
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Effects of polyol molecular weight on properties of benzoxazine–urethane polymer alloys
Recently Rimdusit et al. reported the comparison of benzoxazine alloying with isophorone diisocyanate (IPDI)-based urethane prepolymers and with flexible ep- oxy [3].
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Synthesis and characterization of rubber‐seed‐oil‐based polyurethanes
In this study, RSO-based urethane prepolymers termi- nated with isocyanate (NCO) groups were synthe- sized with RSO monoglyceride derived from the glycerolysis of the oil.
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Handbook of Food Packaging Chemicals and Materials
Chem. Descrip.: TDI-polyether urethane prepolymer See Polyurethane prepolymer .
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Novel polyurethane hydrogels for biomedical applications
Abstract Polyurethane hydrogels derived from UV‐curable urethane prepolymer and hydrophilic monomers were prepared and their properties were evaluated.