Polish compositions

Details Polish compositions Polish compositions

2006-02-21

2006-02-21

Zimmer, Marc (Department: 1712)

Coating apparatus

Projection or spray type

C106S003000, C106S011000, C106S287130, C525S477000, C524S588000

Reexamination Certificate

active

07001463

ABSTRACT:
A polish composition includes a siloxane polymer of the formulawherein each group A independently represents an alkyl group having up to 6 carbon atoms, M represents an alkyl group having up to 6 carbon atoms and Q represents an alkyl group, wherein a proportion of the groups Q have more than 20 carbon atoms and the remainder have up to 6 carbon atoms, and wherein “x” is an integer selected to give a molecular weight of the polymer III in the range 3,000–30,000. In prior polish compositions the radical “Q” have been of shorter chain lengths. We have found that a longer chain length promotes reduced smearing.

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