Polysiloxane-styrene-butadiene terpolymers and use in toners
US4770968A · kind A · utility
16Cited by
5References
37Claims
0Family size
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Key dates
| Filing date | Jul 27, 1987 |
| Grant date | Sep 13, 1988 |
| Priority date | — |
| Expiry date | Jul 27, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/08773
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A branched polysiloxane styrene butadiene polymer of the following formula ##STR1## wherein m is a number of from about 2 to about 10; z is the number 3,4 or 5; n is a number of from about 10 to about 1,000; k, l and o are weight fraction numbers with k being from about 0.35 to about 0.95, l being from 0.1 to about 0.2, and o is from about 0.05 to about 0.5; R is an aromatic substituent, alkyl-CR"C(O)O, and alkylene-CR"C(O)O, wherein R" is hydrogen or an alkyl substituent, and R' is an alkyl substituent or a trialkylsilylether substituent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.