Back to results
US 6,582,829 B1Granted
Hot melt adhesive composition comprising homogeneous ethylene interpolymer and block copolymer
AssigneeH.B. Fuller Licensing & Financing, Inc.
InventorsThomas H. Quinn, Janelle C. Cameron, Beth M. Eichler-Johnson, Michael S. Keehr, Jeffrey S. Lindquist, David B. Malcolm, Kevin W. McKay, Deepak R. Parikh
Life of this patent
Estimating the term…
Abstract
A hot melt adhesive composition comprising a) from about 5 wt-% to about 50 wt-% of at least one homogeneous linear or substantially linear ethylene/alpha-olefin interpolymer characterized as having a density from 0.850 to 0.965 g/cm3; b) from about 1 wt-% to about 40 wt-% of at least one block copolymer; and c) from about 10 wt-% to about 75 wt-% of at least one tackifying resin wherein said adhesive does not fail cohesively.
Claims57
A hot melt adhesive composition comprising:
- a) from about 5 wt-% to about 50 wt-% of at least one homogeneous linear or substantially linear ethylene/alpha-olefin interpolymer characterized as having a density from 0.850 to 0.965 g/cm3;
- b) from about 1 wt-% to about 20 wt-% of at least one block copolymer;
- and
- c) from about 30 wt-% to about 75 wt-% of at least one tackifying resin;
- wherein said adhesive composition has a viscosity of less than about 20,000 cps at about 177° C.
2 more elements
A hot melt adhesive composition comprising:
- a) from about 5 wt-% to about 40 wt-% of at least one homogeneous ethylene/alpha-olefin interpolymer characterized as having a density from 0.850 to 0.965 g/cm3 and a melt index of at least about 100 g/10 min;
- b) from about 1 wt-% to about 20 wt-% of at least one block copolymer;
- and
- c) from about 10 wt-% to about 75 wt-% of at least one tackifying resin.
1 more element
A hot melt adhesive composition comprising:
- a) from about 5 wt-% to about 40 wt-% of at least one homogeneous ethylene/alpha-olefin interpolymer characterized as having a density from 0.850 to 0.965 g/cm3;
- b) from about 1 wt-% to about 20 wt-% of at least one block copolymer;
- and
- c) from about 10 wt-% to about 75 wt-% of at least one tackifying resin.
1 more element
A hot melt adhesive composition comprising:
- a) from about 10 wt-% to about 50 wt-% of at least one homogeneous linear or substantially linear ethylene/alpha-olefin interpolymer characterized as having a density from 0.850 to 0.965 g/cm3;
- b) from about 1 wt-% to about 20 wt-% of at least one block copolymer having at least two blocks wherein the first block is a non-elastomeric polymer block and the second block is an unsaturated conjugated diene or hydrogenated version thereof;
- and
- c) from about 10 wt-% to about 75 wt-% of at least one tackifying resin,
- wherein said adhesive composition has a viscosity of less than about 20,000 cps at about 177° C.
2 more elements
A hot melt adhesive composition comprising:
- a) from about 10 wt-% to about 25 wt-% of at least one homogeneous linear or substantially linear ethylene/alpha-olefin interpolymer characterized as having a density from 0.850 to 0.965 g/cm3 and a melt index of greater than about 500 g/10 min;
- b) from about 1 wt-% to about 20 wt-% of at least one block copolymer having at least two blocks wherein the first block is a non-elastomeric polymer block and the second block is an unsaturated conjugated diene or hydrogenated version thereof;
- and
- c) from about 10 wt-% to about 75 wt-% of at least one tackifying resin,
- wherein said adhesive composition has a viscosity of less than about 20,000 cps at about 177° C.
2 more elements
A hot melt adhesive composition comprising:
- a) from about 5 wt-% to about 50 wt-% of at least one homogeneous linear or substantially linear ethylene/alpha-olefin interpolymer characterized as having a density from 0.850 to 0.965 g/cm3;
- b) from about 10 wt-% to about 20 wt-% of at least one block copolymer having at least two blocks wherein the first block is a non-elastomeric polymer block and the second block is an unsaturated conjugated diene or hydrogenated version thereof;
- and
- c) from about 10 wt-%o to about 75 wt-% of at least one tackifying resin.
1 more element
A hot melt adhesive composition comprising:
- a) from about 10 wt-% to about 50 wt-% of at least one homogeneous linear or substantially linear ethylene/alpha-olefin interpolymer characterized as having a density from 0.850 to 0.965 g/cm3;
- b) from about 2 wt-% to 20 wt-% of at least one block copolymer having at least two blocks wherein the first block is a non-elastomeric polymer block and the second block is an unsaturated conjugated diene or hydrogenated version thereof;
- and
- c) from about 10 wt-% to about 75 wt-% of at least one tackifying resin.
1 more element
A hot melt adhesive composition comprising:
- a) from about 10 wt-% to about 50 wt-% of at least one homogeneous linear or substantially linear ethylene/alpha-olefin interpolymer characterized as having a density from 0.850 to 0.965 g/cm3;
- b) from about 1 wt-% to about 20 wt-% of at least one block copolymer having at least two blocks wherein the first block is a non-elastomeric polymer block and the second block is an unsaturated conjugated diene or hydrogenated version thereof;
- and
- c) from about 35 wt-% to about 75 wt-% of at least one tackifying resin.
1 more element
A hot melt adhesive composition comprising:
- a) from about 10 wt-% to about 25 wt-% of at least one homogeneous linear or substantially linear ethylene/alpha-olefin interpolymer characterized as having a density from 0.850 to 0.965 g/cm3 and a melt index of greater than about 500 g/10 min;
- b) from about 1 wt-% to about 20 wt-% of at least one block copolymer having at least two blocks wherein the first block is a non-elastomeric polymer block and the second block is an unsaturated conjugated diene or hydrogenated version thereof;
- and
- c) from about 35 wt-% to about 75 wt-% of at least one tackifying resin.
1 more element
A hot melt adhesive composition comprising:
- a) from about 5 wt-% to about 50 wt-% of at least one homogeneous linear or substantially linear ethylene/alpha-olefin interpolymer characterized as having a density from 0.850 to 0.965 g/cm3;
- b) from about 10 wt-% to about 20 wt-% of at least one block copolymer having at least two blocks wherein the first block is a non-elastomeric polymer block and the second block is an unsaturated conjugated diene or hydrogenated version thereof;
- and
- c) from about 35 wt-% to about 75 wt-% of at least one tackifying resin.
1 more element
Dependencies are inferred from the claim text.