ADHESION COMPOSITION Russian patent published in 1994 - IPC

FIELD: production of adhesives. SUBSTANCE: composition contains, %: crushed mica 1-10, oligomer of 2,2,4-trimethyl-1,2-dihydroquinoline 0.5-4.0, polyethylene or copolymer of ethylene and vinylacetate up to 100. Composition is prepared by mixing components within 5 min at 160-170 C. The process is carried out on rolls or in mixer of rotary or screw type. Initial adhesive strength of proposed composition at exfoliation is 23 kgf/cm. Adhesive strength after sustaining within 1000 h in water at 20 and at 60 C is 22 kgf/cm. Adhesive strength at exfoliation after sustaining at 60 C in alkali medium having pH 11 within 1000 h is 16 kgf/cm. EFFECT: improves composition quality. 2 tbl