Invention Grant
US08980981B2 Hot-melt adhesive composition intended to form a film suitable for wrapping a hot-melt adhesive product, and its use
有权
用于形成适于包覆热熔胶产品的薄膜的热熔粘合剂组合物及其用途
- Patent Title: Hot-melt adhesive composition intended to form a film suitable for wrapping a hot-melt adhesive product, and its use
- Patent Title (中): 用于形成适于包覆热熔胶产品的薄膜的热熔粘合剂组合物及其用途
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Application No.: US13726877Application Date: 2012-12-26
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Publication No.: US08980981B2Publication Date: 2015-03-17
- Inventor: David Goubard
- Applicant: Bostik SA
- Applicant Address: FR La Plaine St Denis Cedex
- Assignee: Bostik SA
- Current Assignee: Bostik SA
- Current Assignee Address: FR La Plaine St Denis Cedex
- Agency: Millen, White, Zelano & Branigan, P.C.
- Priority: FR1162452 20111226
- Main IPC: C09J153/02
- IPC: C09J153/02 ; C09J145/00 ; C09J125/16 ; C09J191/06 ; C09J123/06 ; C09J7/00 ; B65D65/46 ; B65B63/08 ; C08J5/18 ; C08L91/06

Abstract:
A hot-melt adhesive composition intended to form a film: a) from 20 to 60% by weight of a styrene block copolymer; b) from 5 to 50% by weight of a particular tackifying resin; c) from 10 to 40% of a Fischer-Tropsch type wax; and d) from 1 to 30% of a polyethylene wax and/or at least one polyolefin polymerized by metallocene catalysis; said composition having a Brookfield viscosity at 180° C. from 3,000 to 70,000 mPa·s, a softening point of 80 at 130° C., and a modulus of elasticity at 60° C. of 2×105 to 108 Pa. A film for hot-melt adhesive product constituted by a hot-melt adhesive material of such a composition. A ready-to-use hot-melt adhesive product and its production, said hot-melt adhesive product having a coating constituted by such a film.
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