Curable composition
AssigneeSunstar Engineering Americas Inc.
InventorsStephen Eric Howe, Edward Thomas Lemen
Life of this patent
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AssigneeSunstar Engineering Americas Inc.
InventorsStephen Eric Howe, Edward Thomas Lemen
Estimating the term…
An object of the present invention is to provide a masking material having excellent peeling properties even if the drying step is reduced, preferably without the drying step. There is provided a curable composition comprising: (A1) a prepolymer represented by (Formula 1): (CH2═C(R1)—CO—O—R2—O—CO—NH—R3—NH—CO)n—R4 wherein each of R1 is independently a hydrogen atom or a methyl group, each of R2 is independently an aliphatic group having 1 to 8 carbon atoms, each of R3 is independently an aromatic or aliphatic group having 1 to 30 carbon atoms and R4 is an aromatic or aliphatic group having a number average molecular weight at least 500 and having a polycarbonate backbone and/or a polyester backbone and n is an integer from 2 to 4 and (A2) a non-polymer represented by (Formula 2): (CH2═C(R5)—CO—O—R6—O—CO—NH)m—R7 wherein each of R5 is independently a hydrogen atom or a methyl group, each of R6 is independently an aliphatic group having 1 to 8 carbon atoms, R7 is independently an aromatic or aliphatic group having 1 to 30 carbon atoms and m is an integer from 2 to 4.
A curable composition comprising:
Dependencies are inferred from the claim text.