Improved hot-melt adhesive for manufacturing disposable hygiene products
AssigneeBostik SA
InventorNaji HUSSEIN
Life of this patent
Estimating the term…
Abstract
1) Hot melt adhesive composition comprising: a) from 5% to 50% of a thermoplastic polymer (A) selected from styrene block copolymers and polyolefins; b) from 15% to 60% of a tackifying resin (B); c) from 5% to 30% of a plasticizer (C); and d) from 0.1% to 10% of a salt (D) of a hydroxylated fatty acid comprising from 8 to 24 carbon atoms. 2) Process of manufacturing a laminate, preferably a disposable nonwoven absorbent article, implementing the hot melt adhesive composition. 3) Process for cleaning the laminating device fouled by solid deposits of the hot melt adhesive composition, comprising their manual removal by the operators at room temperature.
Claims15
Hot melt adhesive composition comprising:
- a) from 5% to 50% by weight of at least one thermoplastic polymer (A) selected from styrene block copolymers (SBC) and polyolefins;
- b) from 15% to 60% by weight of at least one tackifying resin (B);
- c) from 5% to 30% by weight of at least one plasticizer (C) selected from a naphthenic oil, a paraffinic oils, polyisobutylene, a benzoate ester, a wax and an acrylic or carboxylic acid modified wax;
- and
- d) from 0.1% to 10% by weight of a salt (D) of a hydroxylated fatty acid comprising from 8 to 24 carbon atoms.
Dependencies are inferred from the claim text.