WebThe present invention relates generally to a curable polyurethane prepolymer composition comprising polyurethane prepolymer obtained by the reaction of toluene diisocyanate (TDI) and at least one polyol and an ortho alkyl disubstituted dianiline, preferably 4,4′-methylene-bis-(3-chloro-2,6-diethylaniline) (MCDEA), wherein 50 to 100 wt % of the at least one … WebLow free TDI Imuthane prepolymer *13-90 is designed specifically for hydrocarbon solvent resistance. Benefits: Unreacted free TDI 0.7%. Excellent strength, resilience and abrasion resistance. Applications Tire: Footwear Outsole / Midsole: Automotive: Electronic ...
US Patent Application for CURABLE POLYURETHANE PREPOLYMER …
Web26 aug. 2024 · In this study, the modification of toluene diisocyanate “TDI”-based prepolymers was performed using three different polyols (trimethylol propane “TMP,” glycerol and castor oil). The prepared modified prepolymers were terminated using amino-polyether (Jeffamine M-2070) and maleic acid-modified polyethylene glycol “PEG 1000” … Web26 aug. 2024 · In this study, the modification of toluene diisocyanate “TDI”-based prepolymers was performed using three different polyols (trimethylol propane “TMP,” … ceiling joints
端异氰酸基聚醚,isocyanate-terminated polyethers英语短句,例句大全
WebDesmodur® TDI ether glycol (PTMEG) systems provide PU elastomers with excellent properties: • Good abrasion resistance, high tensile strength and high resilience, even at … WebPTMEG와 TDI를 이용하여 합성한 폴리우레탄 prepolymer에서 thin flim evaporator를 사용하여 미반응 free TDI 함량을 감소시켰으며 free TDI의 함량에 따른 prepolymer와 탄성체의 특성이 조사되었다. Prepolymer의 특성에서 free TDI의 함량이 감소함에 따라 점도는 증가하였고, gel time은 지연되었다. Free TDI의 감량에 따른 PU ... WebPremium ether - low free TDI prepolymer: Durometer is 60 Shore D when cured with MBCA or Ethacure300 suitable for high performance applications: Low (0.1%) free TDI … ceiling joist sizes in mm