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특허 상세정보

Cationic polymerization

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C08G-065/10    C08G-065/18    C08G-065/20    C07C-043/11   
미국특허분류(USC) 528/408 ; 260/695 ; 528/409 ; 528/417
출원번호 US-0262935 (1981-05-12)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 62  인용 특허 : 1
초록

Method of carrying out cationic polymerization with molecular weight control in which a preinitiator precursor, e.g. a diol and a catalyst effective for cationic polymerization (or a preformed adduct of such precursor and catalyst) are mixed with a monomer (e.g. a cyclic ether) in proportions of one mol of precursor or adduct and n mols of monomer, where n is the relatively small number of mer units desired in the polymer, causing polymerization to proceed to completion, then treating the resulting living cationic polymer as desired, e.g. quenching with ...

대표
청구항

A method of polymerizing a monomer which is capable of cationic polymerization which comprises: (a) providing a monomer capable of cationic polymerization (b) providing a preinitiator precursor and a catalyst, the catalyst being effective to cause cationic polymerization of monomers, the preinitiator precursor being such that it will form an adduct with the catalyst which in turn will form an initiating species with the monomer which will undergo chain extension with a further quantity of the monomer, (c) forming a mixture of the catalyst and preinitator...

이 특허를 인용한 특허 피인용횟수: 62

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