Laminated glass product

Claim 1

A laminated glass product having a bonding layer formed by curing a photocurable composition comprising a polyene component, a polythiol component, an organosilicone compound and a photocuring rate accelerator; wherein (A) said polyene is a compound having the formula ##STR11## wherein m is an integer of 2 to 6; R represents a hydrogen atom, a C 1 -C 8 alkyl, a C 1 -C 3 alkoxy or phenyl group which can be substituted with a substituent of nitro, C 1 -C 8 alkyl or alkoxy group or a halogen atom; Y is --CH 2 ) n wherein n is 0 or an integer of 1 to 10, --OCH 2 ) p wherein p is an integer of 1 to 10, --O--CH 2 ) q wherein q is an integer of 1 to 10 or ##STR12## and X is a polyvalent group which has a valency of m representing benzene, toluene, ethylene glycol, diethylene glycol, triethylene glycol, trimethylolpropane, phthalate, cyanurate, isocyanurate, trimellitate, ethane, N,N-piperazine, orthosilicate, phosphate, oxalate, terephthalate, diphenylterephthalate or methylenediamine group; (B) said polythiol is a compound having the formula ##STR13## wherein Z is a group connecting m' members and is --CH 2 ) v , ##STR14## wherein v is an integer of 1 to 6, and w, x, y and z are respectively 0 or an integer of 2 to 6; m' is an integer of 2 to 4; n' and p' are respectively 0 or an integer of 1 to 3; said polythiol having an average molecular weight of 50 to 15,000; (C) said organosilicone compound is a compound having the formula ##STR15## wherein n" is 0 or an integer of 1 to 3; X represents chlorine atom or a C 1 -C 8 alkoxy or acetoxy group which can be substituted by chlorine atom, nitro group or a C 1 -C 2 alkoxy group; and Y represents vinyl group which can be substituted by chlorine atom, methoxy, ethoxy, propyloxy or acetoxy; or acryloyl, methacryloyl or mercaptan group; and (D) said photocuring rate accelerator is selected from the group consisting of benzophenone, p-methoxybenzophenone, acetophenone, m-chloroacetophenone, propiophenone, xanthone, benzoin, benzoin methyl ether, benzoin ethyl ether, benzoin isopropyl ether, benzoin isobutyl ether, benzyl benzaldehyde, naphthoquinone, anthraquinone, 2,4,7-trinitro-9-fluorenone, 5-nitro-acenaphthene, p-nitrodiphenyl, p-nitroaniline and malachite green.