|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||C06B-033/02 C06B-033/06 C08G-018/08 C08L-075/06|
|미국특허분류(USC)||149/194 ; 149/76 ; 149/114 ; 528/279|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 8 인용 특허 : 3|
The invention disclosed relates to novel e
A process for the preparation of a polyurethane binder comprising reacting a diisocyanate with a block or sequenced co-polyester diol of the structural formula I H(OR3COOR4CO)xOCH2CH2O[CO(CH2)5O]yH I which comprises simultaneously reacting e1 to 8 carbon atoms or an alkyl group containing 1-12 carbon atoms having a nitrogen atom in its backbone; and (ii) a di-carboxylic acid of structural formula III HOOC(CH2)mCOOH III wherein m is an in integer from 1 to 36, and wherein R3 is the residual structure of a diol of structural formula II and R4 is the residu...