公开(公告)号：US3485861A

公开(公告)日：1969-12-23

申请号：US3485861D

申请日：1966-05-31

Applicant: ROBERT L MCKELLAR ,  MARTIN C MUSOLF ,  DOW CORNING

Inventor： MCKELLAR ROBERT L ,  MUSOLF MARTIN C

IPC: C07F7/08 ,  C08G18/50

CPC classification number: C08G18/5096 ,  C07F7/0879

公开(公告)号：US3388144A

公开(公告)日：1968-06-11

申请号：US47231065

申请日：1965-07-15

Applicant: DOW CORNING

Inventor： MUSOLF MARTIN C ,  PLUEDDEMANN EDWIN P

IPC: C07F7/18 ,  C08G18/10 ,  C08G77/392 ,  C09D175/04

CPC classification number: C09D175/04 ,  C07F7/182 ,  C08G18/10 ,  C08G77/392 ,  C08G18/3893 ,  C08G18/38

Abstract: 1,154,693. Hydroxy α mercapto silanes and siloxanes. DOW CORNING CORP. 21 June, 1966 [15 July, 1965], No. 27643/66. Headings C3S and C3T. Novel silanes have the general formula (RO) 4-xa (R 11 ) a Si[R 1 (QH) y ] x , wherein Q is oxygen or sulphur and R is a monovalent hydrocarbon radical free from aliphatic nnsaturation, and siloxanes. The general formula wherein in both silanes and siloxanes R 1 is a hydrocarbon, hydrocarbon ether, hydrocarbon ester, hydrocarbon thioether or hydrocarbon thioester radical, R 1 being attached to the silicon atom via a silicon-carbon bond, R 11 is a monovalent hydrocarbon radical free from aliphatic unsaturation, a is 0, 1 or 2, x is 1 or 2, y is 2 or 3 and the sum of x + a is 1, 2 or 3. The silanes and siloxanes are prepared when Q is sulphur by reacting a silane or siloxane containing one or two unsaturated groups per silicon atom with a polymercapto carbon compound in the presence of a catalyst, and the silanes when Q is oxygen are prepared by reaction of a silane containing one or two silicon-bonded hydrogen atoms per silicon atom with a polyhydroxylated carbon compound containing an unsaturated group in the presence of a platinum catalyst. In the examples the silanes (HOCH 2 ) 2 (C 2 H 5 )CCH 2 O(CH 2 ) 3 Si(OCH 3 ) 3 , (HOCH 2 ) 2 (C 2 H 5 )C(CH 2 ) 3 Si(OCH 3 ) 3 , CH 2 (OH)CH(OH)CH 2 SCH 2 CH 2 Si(OCH 3 ) 3 , (HOCH 2 ) 2 (C 2 H 5 )CCH 2 O(CH 2 ) 3 S(CH 2 ) 2 Si(OCH 3 ) and (CH 3 O) 3 Si(CH 2 ) 2 SCH 2 CO.OCH 2 (CH 2 O.CO. CH 2 SH) 2 (C 7 H 5 ) are prepared. The silanes may be used as primers or coupling agents for melamine, phenolic, urea and formaldehyde resins and for urethanes. The silanes and siloxanes may be used in the preparation of polyurethane rubbers.