ADHESIVE COMPOSITION FOR FIXING SOLES TO FOOTWEAR UPPER PART Russian patent published in 1997 - IPC

Abstract RU 2096436 C1

FIELD: manufacture of footwear. SUBSTANCE: in order to increase strength of adhesive seam gluing when to polar substrates such as polyvinyl chloride, polyurethane and polyethylene terephthalate and to improve viability, composition comprises mixture of copolymers consisting of (a) block copolymer of linear or star-like structure selected from compounds of general formula AB, ABA, ABAB, ABABA, ABABXBABA, (AB)n•Y, (ABAB)n•Y, ABABAB and ABABABA wherein A is polystyrene block having molecular weight of 4000-20.000; B is polybutadiene or polyisoprene block copolymer having molecular weight of 4000 of 150.000; X and Y are residue of combination agent; n is 3 or 4; (b) block copolymer of linear structure selected from compounds of or star-like structure (AB′)mZ; (AB″)mZ, wherein A is polystyrene block polymer having molecular weight of 4000 to 20.000; B′ and B″ are polyisoprene and butadiene block copolymers, respectively; B″′ is butadiene (isoprene) and styrene block copolymers containing 5-30 % bonded chlorine based on the entire polymer in the form of compound given in the specification wherein X and Z are residues of combination agent having molecular weight of 3000 to 30000 at weight ratio of a:b block copolymers from 1:0.01 to 9, the ratio of components being as follows (wt parts): 100 mixture of block copolymers; 20-70 adhesive resin, and 180-250 organic solvent. EFFECT: improved properties of the adhesive composition. 3 tbl

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RU 2 096 436 C1

Authors

Sidorov Sergej Leonidovich

Shapovalova Nina Nikolaevna

Krasnova Klavdija Vasil'Evna

Molodyka Anatolij Vasil'Evich

Privalov Vladimir Alekseevich

Judin Viktor Petrovich

Kondrat'Ev Aleksandr Nikolaevich

Mironova Evgenija Filippovna

Eremina Marina Valentinovna

Dates

1997-11-20Published

1994-12-19Filed