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Organopolysiloxane having carboxyl groups
专利权人:
发明人:
申请号:
EP09251038.7
公开号:
EP2107078B1
申请日:
2009.04.02
申请国别(地区):
EP
年份:
2014
代理人:
摘要:
An organopolysiloxane represented by the following average compositional formula (1):         R1a R2b R3c SiO(4-a-b-c)/2     (1)wherein R1 is selected from the group consisting of C1-30 alkyl, C1-30 fluoroalkyl, C6-30 aryl, and C6-30 aralkyl groups,R2 is a group represented by the following formula (2), provided that R2 is bonded to at least one terminal end of the organopolysiloxane when c equals 0,R3 is a group represented by the following formula (3):wherein R2 is as defined above, each R8 is, independently, selected from the group consisting of C1-30 alkyl, C1-30 fluoroalkyl, C6-30 aryl, and C6-30 aralkyl groups, Q is CdH2d or an oxygen atom, wherein d is an integer of from 1 to 5, k is an integer of from 0 to 500, and h is an integer of from 0 to 3,a is a number of from 1.5 to 2.5,b is a number of from 0.001 to 1.5, andc is a number of from 0 to 1.5.
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