Thiol compound, copolymer and method for producing the copolymer
AssigneeMaruzen Petrochemical Co., Ltd.
InventorsTakanori Yamagishi, Takahito Mita
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Abstract
By resolving objections in the prior art, provided are a novel copolymer suitable as a coating polymers which is excellent in adhesion to a substrate and can be used suitably as the polymer for the coating film having durability against pattern collapse in the finer pattern formation for progressed lithography technology and a method for producing the copolymer, as well as a novel thiol compound useful as a chain transfer agent in the production of the copolymer. The novel thiol compound of the present invention has the structure represented by the formula (1); wherein R1 is a bivalent substituent selected from linear, branched or cyclic saturated hydrocarbon having 1 to 15 carbon atoms.
Claims5
A copolymer obtained by using a thiol compound represented by the formula (1);
- (wherein R1 is a bivalent substituent selected from linear, branched or cyclic saturated hydrocarbon having 1 to 15 carbon atoms.) as a chain transfer agent, in polymerization of two or more polymerizable compounds having an ethylenic double bond.
Dependencies are inferred from the claim text.