H 2 O 2 -Na 2 WO 4体系在相转移催化下通过不饱和(甲基)丙烯酸酯的选择性环氧化合成环氧(甲基)丙烯酸酯。
摘要:
研究了各种经典的环氧化剂对不饱和(甲基)丙烯酸酯的选择性环氧化。结果表明,在相转移催化下,通过使用H 2 O 2(20%)-Na 2 WO 4体系可以得到高选择性和高收率。在这些条件下,严格控制温度和初始pH值可防止在这些选择性环氧化过程中发生聚合。结果表明,环氧化的选择性取决于两个双键亲核性的差异。
CROSS-LINKED BLOCK COPOLYMERS COMPRISING REPEATING UNITS DERIVED FROM MONOMERS COMPRISING LACTAM AND ACRYLOYL MOIETIES, COMPOSITIONS, AND APPLICATIONS THEREOF
申请人:ISP INVESTMENTS LLC
公开号:US20190382519A1
公开(公告)日:2019-12-19
This application provides cross-linked block copolymers comprising at least one block comprising repeating units derived from monomers comprising lactam and acryloyl moieties. The application further provides compositions comprising the block copolymers and applications thereof in various industrial areas including personal care. The application furthermore provides Pickering emulsion compositions comprising the block copolymers.
US5283360A
申请人:——
公开号:US5283360A
公开(公告)日:1994-02-01
US5510516A
申请人:——
公开号:US5510516A
公开(公告)日:1996-04-23
[EN] A HAIR CARE COMPOSITION, PROCESS FOR PREPARING THE SAME AND METHOD OF USE THEREOF<br/>[FR] COMPOSITION DE SOIN CAPILLAIRE, SON PROCÉDÉ DE PRÉPARATION ET SON PROCÉDÉ D'UTILISATION
申请人:ISP INVESTMENTS LLC
公开号:WO2018017408A1
公开(公告)日:2018-01-25
A hair care composition, and more particularly, a hair straightening or hair styling composition comprising (A) at least one α or β - hydroxy ketone, (B) a first polymeric compound selected from: (i) at least one hybrid graft polymer derived from (a) a functionalized or unfunctionalized cellulose moiety and (b) at least one functionalized or unfunctionalized acryloyl moiety; or (ii) at least one hybrid graft polymer derived from (a) a functionalized or unfunctionalized galactomannan moiety and (b) at least one functionalized or unfunctionalized acryloyl moiety; (C) at least one organic or inorganic base; (D) optionally, at least one functional polymer; and (E) at least one carrier is provided. Further, disclosed is a process for preparing the hair straightening or hair styling composition and method of hair straightening or hair styling.
[EN] A HAIR STRAIGHTENING AND STYLING COMPOSITION, PROCESS FOR PREPARING THE SAME AND METHOD OF USE THEREOF<br/>[FR] UNE COMPOSITION DE DÉFRISAGE ET DE COIFFAGE DES CHEVEUX, PROCÉDÉ DE SON PRÉPARATION ET PROCÉDÉ D'UTILISATION DE CELLE-CI
申请人:ISP INVESTMENTS LLC
公开号:WO2018017570A1
公开(公告)日:2018-01-25
The present application provides a hair straightening or hair styling composition of a hybrid graft polymer and at least one carrier. The hybrid graft polymer is derived from (i) a funetionalized or unfunctionalized cellulose moiety and at least one funetionalized or unfunctionalized acryloyl moiety; or (ii) a funetionalized or unfunctionalized galaetomannan moiety and at least one funetionalized or unfunctionalized acryloyl moiety. The carrier can be water, alcohol, hydro alcoholic, an emulsion, an ester, a hydrocarbon or an organic or inorganic oil carrier. The present application also provides a process for preparing the composition featuring the hybrid polymers and methods of using the composition comprising such hybrid graft polymers.