US4929509A — Adhesives based on amorphous propylene/hexene cop…

Claim 1

Independent Claim 134 words

A hot-melt adhesive composition suitable for making a glue gun stick comprising a blend of: (1) about 40 to 80 weight percent of an unmodified substantially amorphous propylene-hexene copolymer having a melt viscosity of about 2,000 to 30,000 cps at 190° C.; and an amount of 1-hexene of from about 6 to less than 15 mole percent; and (2) about 60 to 20 weight percent of at least one compatible tackifying resin; wherein said adhesive composition has substantially no amount of plasticizing oil, is non-tacky at room temperature, has a bond strength of at least about 150 pounds on oak and a time to bond failure greater than about 2 minutes using ASTM Procedure D-1002 with a tensile tester crosshead speed of 0.05 inches per minute; and a good to excellent bond flexure rating.

Claim 2

Dependent Claim 134 words

A hot-melt adhesive composition suitable for making a glue gun stick comprising a blend of: (1) about 40 to 80 weight percent of an unmodified substantially amorphous propylene-hexene copolymer having a melt viscosity of about 2,000 to 30,000 cps at 190° C.; and an amount of 1-hexene of from about 6 to less than 15 mole percent; and (2) about 60 to 20 weight percent of at least one compatible tackifying resin; wherein said adhesive composition has substantially no amount of plasticizing oil, is non-tacky at room temperature, has a bond strength of at least about 150 pounds on oak and a time to bond failure greater than about 2 minutes using ASTM Procedure D-1002 with a tensile tester crosshead speed of 0.05 inches per minute; and a good to excellent bond flexure rating.

Claim 3

Dependent Claim 18 words

The composition of claim 1 having a melt viscosity of about 3,000 to 20,000 cps at 190° c.

Claim 4

Dependent Claim 16 words

The composition of claim 1 containing up to 1.5 weight percent of at least one sntioxidant

Claim 5

Dependent Claim 25 words

The composition of claim 1 in the form of a slat coated with about 1 to 4 weight percent of a substantially crystalline polyethylene-based wax.

Claim 6

Dependent Claim 33 words

The composition of claim 1 having a bond strength of at least about 250 pounds on oak, a time to failure of at least about 10 minutes, and an excellent bond flexure rating.

Claim 7

Dependent Claim 17 words

The composition of claim 1 having a bond strength of at least about 350 pounds on oak.

Claim 8

Dependent Claim 37 words

The composition of claim 1 wherein Component (1) is present in an amount of about 50 to about 80 weight percent and Component (2) is present in an amount of about 50 to about 20 weight percent.

Claim 9

Dependent Claim 15 words

The composition of claim 1 wherein said tackifying resin is polyterpene or a hydrocarbon resin.

Claim 10

Dependent Claim 12 words

The composition of claim 1 wherein said tackifying resin is Eastotac H-130W.

Claim 11

Dependent Claim 125 words

A hot melt adhesive composition suitable for making a glue gun stick comprising a blend of: (1) about 50 to 80 weight percent of an unmodified substantially amorphous propylene-hexene copolymer having a melt viscosity of about 5,000 cps at 190° C.; and an amount of 1-hexene of about 7 mole percent; and (2) about 50 to 20 weight percent of at least one compatible tackifying resin; wherein said adhesive composition has substantially no amount of plasticizing oil, is non-tacky at room temperature, has a bond strength of at least about 250 pounds on oak and a time to failure of greater than about 2 minutes using ASTM Procedure D-1002 with a tensile tester crosshead speed of 0.05 inches per minute; and a good flexure rating.

Claim 12

Dependent Claim 125 words

A hot melt adhesive composition suitable for making a glue gun stick comprising a blend of: (1) about 50 to 80 weight percent of an unmodified substantially amorphous propylene-hexene copolymer having a melt viscosity of about 5,000 cps at 190° C.; and an amount of 1-hexene of about 7 mole percent; and (2) about 50 to 20 weight percent of at least one compatible tackifying resin; wherein said adhesive composition has substantially no amount of plasticizing oil, is non-tacky at room temperature, has a bond strength of at least about 250 pounds on oak and a time to failure of greater than about 2 minutes using ASTM Procedure D-1002 with a tensile tester crosshead speed of 0.05 inches per minute; and a good flexure rating.

Claim 13

Dependent Claim 17 words

The composition of claim 10 containing up to about 1.5 weight percent of at least one antioxidant.

Claim 14

Dependent Claim 33 words

The composition of claim 11 wherein said tackifying resin is Eastotac H-130W; the amount of Component (1) is about 70 weight percent; and the amount of Component (2) is about 30 weight percent.

Claim 15

Dependent Claim 113 words

A hot-melt adhesive composition suitable for making a glue gun stick comprising a blend of: (1) about 50 to 80 weight percent of an unmodified substantially amorphous propylene-hexene copolymer having a melt viscosity of about 5,000 cps at 190° C.; and an amount of 1-hexene of about 14 mole percent; and (2) about 50 to about 20 weight percent of at least one compatible tackifying resin; wherein said adhesive composition has a bond strength of at least about 150 pounds on oak and a time to failure of greater than about 10 minutes using ASTM Procedure D-1002 with a tensile tester crosshead speed of 0.05 inches per minute; and an excellent flexure rating.

Claim 16

Dependent Claim 113 words

A hot-melt adhesive composition suitable for making a glue gun stick comprising a blend of: (1) about 50 to 80 weight percent of an unmodified substantially amorphous propylene-hexene copolymer having a melt viscosity of about 5,000 cps at 190° C.; and an amount of 1-hexene of about 14 mole percent; and (2) about 50 to about 20 weight percent of at least one compatible tackifying resin; wherein said adhesive composition has a bond strength of at least about 150 pounds on oak and a time to failure of greater than about 10 minutes using ASTM Procedure D-1002 with a tensile tester crosshead speed of 0.05 inches per minute; and an excellent flexure rating.

Claim 17

Dependent Claim 17 words

The composition of claim 13 containing up to about 1.5 weight percent of at least one antioxidant.

Claim 18

Dependent Claim 33 words

The composition of claim 14 wherein said tackifying resin is Eastotac H-130W; the amount of Component (1) is about 70 weight percent; and the amount of Component (2) is about 30 weight percent.

Claim 19

Dependent Claim 17 words

A coated article comprising a substrate coated with an effective amount of the composition of claim 1.

Claim 20

Dependent Claim 15 words

The coated article of claim 16 wherein said substrate is metal, wood, or a polyester.

Claim 21

Dependent Claim 17 words

A coated article comprising a substrate coated with an effective amount of the composition of claim 10.

Claim 22

Dependent Claim 15 words

The coated article of claim 18 wherein said substrate is metal, wood, or a polyester.

Claim 23

Dependent Claim 17 words

A coated article comprising a substrate coated with an effectual amount of the composition of claim 13.

Claim 24

Dependent Claim 15 words

The coated article of claim 20 wherein said substrate is metal, wood, or a polyester.

Claim 25

Dependent Claim 13 words

The coated article of claim 16 wherein said substrate is metal or wood.

Claim 26

Dependent Claim 11 words

The coated article of claim 22 wherein said substrate is metal.

Claim 27

Dependent Claim 15 words

The adhesive composition of claim 1 wherein said adhesive composition comprises a two component system.

Claim 28

Dependent Claim 19 words

The adhesive composition of claim 1 wherein said composition consists essentially of the blend of Components (1) and (2).

Claim 29

Dependent Claim 130 words

A non-tacky hot-melt adhesive composition suitable for making a glue gun stick comprising a blend of: (1) about 40 to 80 weight percent of an unmodified substantially amorphous proplyene-hexane copolymer having a melt viscosity of about 2,000 to 30,000 cps at 190° C.; and an amount of 1-hexane from about 6 to less than 15 mole percent; and (2) about 60 to 20 weight percent of at least one compatible tackifying resin; wherein said adhesive composition has substantially no amount of plasiticizing oil, has a bond strength of at least about 150 pounds on oak and a time to bond failure of greater than about 2 minutes using ASTM Procedure D-1002 with a tensile tester crosshead speed of 0.05 inches per minute; and a good to excellent bond flexure rating.

Claim 30

Dependent Claim 130 words

A non-tacky hot-melt adhesive composition suitable for making a glue gun stick comprising a blend of: (1) about 40 to 80 weight percent of an unmodified substantially amorphous proplyene-hexane copolymer having a melt viscosity of about 2,000 to 30,000 cps at 190° C.; and an amount of 1-hexane from about 6 to less than 15 mole percent; and (2) about 60 to 20 weight percent of at least one compatible tackifying resin; wherein said adhesive composition has substantially no amount of plasiticizing oil, has a bond strength of at least about 150 pounds on oak and a time to bond failure of greater than about 2 minutes using ASTM Procedure D-1002 with a tensile tester crosshead speed of 0.05 inches per minute; and a good to excellent bond flexure rating.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1993-05-28	1993-11-27	1994-05-29	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1997-05-28	1997-11-27	1998-05-29	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2001-05-28	2001-11-27	2002-05-29	$7700.00	Window Closed / Lapsed

Adhesives based on amorphous propylene/hexene copolymers

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