Photocrosslinkable composition comprising a polyorganosiloxane
First Claim
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1. A photocrosslinkable composition comprising:
- a polyorganosiloxane P having a viscosity of at least 10 000 mPa.s at 25°
C.;
an acrylated silicone oil as a crosslinking agent, the acrylated silicone oil being a different component from the polyorganosiloxane P; and
a photoinitiator, the chemical structure of which includes a diaryl ketone group.
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Abstract
A photocrosslinkable composition has polyorganosiloxane P having a viscosity of at least 10 000 mPa·s at 25° C., wherein the polyorganosiloxane P has an acrylated silicone oil as a crosslinking agent, and a photoinitiator, the chemical structure of which comprises a diaryl ketone group.
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Citations
21 Claims
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1. A photocrosslinkable composition comprising:
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a polyorganosiloxane P having a viscosity of at least 10 000 mPa.s at 25°
C.;an acrylated silicone oil as a crosslinking agent, the acrylated silicone oil being a different component from the polyorganosiloxane P; and a photoinitiator, the chemical structure of which includes a diaryl ketone group. - View Dependent Claims (2, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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3. A photocrosslinkable composition comprising:
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a polyorganosiloxane P having a viscosity of at least 10 000 mPa.s at 25°
C.;an acrylated silicone oil as a crosslinking agent where the photocrosslinkable composition has at most 40 parts by weight of said acrylated silicone oil per 100 parts by weight of polyorganosiloxane P, the acrylated silicone oil being a different component from said polyorganosiloxane P; and a photoinitiator capable of extracting a hydrogen atom from the polyorganosiloxane P when said photoinitiator is subjected to actinic radiation. - View Dependent Claims (4)
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21. The composition as claimed in 3, wherein the acrylated silicone oil has at least one acrylate or methacrylate group.
Specification