← Back to Patent Explorer
US4937138A Expired / Lapsed US ⏱️ 0.0 years remaining

Hot melt polybutylene and poly(butylene/ethylene) adhesives and laminar structures

Assignee: Shell USA Inc
•
Filing: 1988-02-29
•
Granted: 1990-06-26
•
Expires: 2008-02-29
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A hot melt adhesive, a laminar structure, and non-woven article fabricated from a blend comprising: from about 50 percent by weight to about 5 percent by weight of a butene-1 homopolymer or copolymer; from about 50 percent by weight to about 95 percent by weight of a tackifying resin; from a 0.01 to about 1 phr of a nucleating agent; up to about 1 part per hundred (phr) of a stabilizer; up to about 30 phr of a plasticizer; and up to about 30 phr of a wax.

Inventors

  • 👤 Simon Mostert

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 21:53
CPC Classifications
C; C09; C09J; C09J123/00; C09J123/02; C09J123/18; C09J123/20; C09J7/00; C09J7/30; C09J7/35; C08; C08L; C08L2666/00; C08L2666/02; Y; Y10; Y10S; Y10S526/00; Y10S526/935; Y10T; Y10T428/00; Y10T428/28; Y10T428/2809; Y10T428/2813; Y10T428/2817; Y10T428/2826; Y10T428/2848; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31855; Y10T428/3188; Y10T428/31895; Y10T428/31899; Y10T428/31902; Y10T428/31909; Y10T428/31913; Y10T442/00; Y10T442/20; Y10T442/2861; Y10T442/291; Y10T442/2918; Y10T442/60; Y10T442/654; Y10T442/693; Y10T442/696

Claims Analysis

Total Claims: 34
Claim 1
Independent Claim 121 words
A hot melt adhesive, having an open time of ten minutes or less comprising: from about 50 percent by weight to about 5 percent by weight of a member of the group comprising butene-1 homopolymer, butene-1-ethylene copolymer having 11-30 mole % ethylene comonomer, and butene-1 copolymers having 1-30 mole % of a comonomer selected from the group consisting of an alpha olefin having 5-8 carbon atoms; from about 50 percent by weight to about 95 percent by weight of a tackifying resin; from about 0.01 to about 1 phr of a nucleating agent; up to about 1 part per hundred (phr) of a stabilizer; up to about 30 phr of a plasticizer; and up to about 30 phr of a wax.
Claim 2
Dependent Claim 121 words
A hot melt adhesive, having an open time of ten minutes or less comprising: from about 50 percent by weight to about 5 percent by weight of a member of the group comprising butene-1 homopolymer, butene-1-ethylene copolymer having 11-30 mole % ethylene comonomer, and butene-1 copolymers having 1-30 mole % of a comonomer selected from the group consisting of an alpha olefin having 5-8 carbon atoms; from about 50 percent by weight to about 95 percent by weight of a tackifying resin; from about 0.01 to about 1 phr of a nucleating agent; up to about 1 part per hundred (phr) of a stabilizer; up to about 30 phr of a plasticizer; and up to about 30 phr of a wax.
Claim 3
Dependent Claim 44 words
The hot melt adhesive of claim 1, further comprising: from about 50 percent by weight to about 30 percent by weight of the butene-1 homopolymer or copolymer; and from about 50 percent by weight to about 70 percent by weight of the tackifying resin.
Claim 4
Dependent Claim 30 words
The hot melt adhesive of claim 1, further comprising: about 50 percent by weight of the butene-1 homopolymer or copolymer; and about 50 percent by weight of the tackifying resin.
Claim 5
Dependent Claim 12 words
The adhesive of claim 1, wherein said stabilizer is a hindered phenol.
Claim 6
Dependent Claim 14 words
The adhesive of claim 1, wherein said stabilizer is a tetrakis[methylene (3,5 di-tert-butyl-4-hydroxyhydrocinnamate)] methane.
Claim 7
Dependent Claim 30 words
The adhesive of claim 1 wherein said nucleating agent is a member of the group: isotactic polypropylene, polyethylene, polyethylene wax, fatty acid amides, amides, stearamide, anthraquinones, and graphitic non-turbostratic carbon.
Claim 8
Dependent Claim 39 words
The adhesive of claim 1, wherein said tackifying resin is a member of the group of non-polar tackifying resins consisting of: partially hydrogenated hydrocarbon resin, completely hydrogenated hydrocarbon resin, polyterpene, C 5 stream resin, and C 9 stream resin.
Claim 9
Dependent Claim 26 words
The adhesive of claim 1, wherein said tackifying resin is a polar tackifying resin which is at least partially compatible with the butene-1 homopolymer or copolymer.
Claim 10
Dependent Claim 10 words
The adhesive of claim 1, wherein the plasticizer is oil.
Claim 11
Dependent Claim 134 words
A laminar structure comprising a substrate which is bonded with a hot melt adhesive and wherein said adhesive has an open time of ten minutes or less and comprises: from about 50 percent by weight to about 5 percent by weight of a member of the group comprising butene-1 homopolymer, butene-1-ethylene copolymer having 11-30 mole % ethylene comonomer, and butene-1-copolymers having 1-30 mole % of a comonomer selected from the group consisting of an alpha olefin having 5-8 carbon atoms; from about 50 percent by weight to about 95 percent by weight of a tackifying resin; from about 0.01 to about 1 phr of a nucleating agent; up to about 1 part hundred (phr) of a stabilizer; up to about 30 phr of a plasticizer; and up to about 30 phr of a wax.
Claim 12
Dependent Claim 134 words
A laminar structure comprising a substrate which is bonded with a hot melt adhesive and wherein said adhesive has an open time of ten minutes or less and comprises: from about 50 percent by weight to about 5 percent by weight of a member of the group comprising butene-1 homopolymer, butene-1-ethylene copolymer having 11-30 mole % ethylene comonomer, and butene-1-copolymers having 1-30 mole % of a comonomer selected from the group consisting of an alpha olefin having 5-8 carbon atoms; from about 50 percent by weight to about 95 percent by weight of a tackifying resin; from about 0.01 to about 1 phr of a nucleating agent; up to about 1 part hundred (phr) of a stabilizer; up to about 30 phr of a plasticizer; and up to about 30 phr of a wax.
Claim 13
Dependent Claim 57 words
The laminar structure of claim 10, comprising a substrate which is bonded with a hot melt adhesive wherein said adhesive further comprises: from about 50 percent by weight to about 30 percent by weight of the butene-1 homopolymer or copolymer; and from about 50 percent by weight to about 70 percent by weight of the tackifying resin.
Claim 14
Dependent Claim 43 words
The laminar structure of claim 10, comprising a substrate which is bonded with a hot melt adhesive wherein said adhesive further comprises: about 50 percent by weight of the butene-1 homopolymer or copolymer; and about 50 percent by weight of the tackifying resin.
Claim 15
Dependent Claim 25 words
The laminar structure of claim 10, wherein said substrate is selected from the group consisting of high density polyethylene, polypropylene, paper, aluminum foil, and poly-4-methylpentene.
Claim 16
Dependent Claim 16 words
The laminar structure of claim 10, wherein said stabilizer of said adhesive is a hindered phenol.
Claim 17
Dependent Claim 15 words
The laminar structure of claim 10, wherein said stabilizer of said adhesive is tetrakis[methylene(3,5 di-tertbutyl-4-hydroxyhydrocinnamate)]methane.
Claim 18
Dependent Claim 43 words
The laminar structure of claim 10, wherein said tackifying resin of said adhesive is a member of the group of non-polar tackifying resins consisting of: partially hydrogenated hydrocarbon resin, completely hydrogenated hydrocarbon resin, polyterpene, C 5 stream resin and C 9 stream resin.
Claim 19
Dependent Claim 30 words
The laminar structure of claim 10, wherein said tackifying resin of said adhesive is a polar tackifying resin which is at least particularly compatible with the butene-1 homopolymer or copolymer.
Claim 20
Dependent Claim 16 words
The laminar structure of claim 10, wherein said wax of said adhesive is a microcrystalline wax.
Claim 21
Dependent Claim 35 words
The laminar structure of claim 10, wherein said nucleating agent of said adhesive consists of a member of the group: isotactic polypropylene, polyethylene, polyethylene wax, fatty acid amides, amides, stearamide, anthraquinones, and graphitic non-turbostratic carbon.
Claim 22
Dependent Claim 14 words
The laminar structure of claim 10, wherein said plasticizer of said adhesive is oil.
Claim 23
Dependent Claim 136 words
A non-woven article prepared from a non-woven substrate and a hot melt adhesive, wherein said adhesive has an open time of ten minutes or less and consists essentially of: from about 50 percent by weight to about 5 percent by weight of a member of the group comprising butene-1 homopolymer, butene-1-ethylene copolymer having 11-30 mole % ethylene comonomer, and butene-1 copolymers having 1-30 mole % of a comonomer selected from the group consisting of an alpha olefin having 5-8 carbon atoms; from about 50 percent by weight to about 95 percent by weight of a tackifying resin; from about 0.01 to about 1 phr of a nucleating agent; up to about 1 part per hundred (phr) of a stabilizer; up to about 30 phr of a plasticizer; and up to about 30 phr of a wax.
Claim 24
Dependent Claim 136 words
A non-woven article prepared from a non-woven substrate and a hot melt adhesive, wherein said adhesive has an open time of ten minutes or less and consists essentially of: from about 50 percent by weight to about 5 percent by weight of a member of the group comprising butene-1 homopolymer, butene-1-ethylene copolymer having 11-30 mole % ethylene comonomer, and butene-1 copolymers having 1-30 mole % of a comonomer selected from the group consisting of an alpha olefin having 5-8 carbon atoms; from about 50 percent by weight to about 95 percent by weight of a tackifying resin; from about 0.01 to about 1 phr of a nucleating agent; up to about 1 part per hundred (phr) of a stabilizer; up to about 30 phr of a plasticizer; and up to about 30 phr of a wax.
Claim 25
Dependent Claim 48 words
The non-woven article of claim 21, wherein said hot melt adhesive further comprises: from about 50 percent by weight to about 30 percent by weight of the butene-1 homopolymer or copolymer; and from about 50 percent by weight to about 70 percent by weight of the tackifying resin.
Claim 26
Dependent Claim 34 words
The non-woven article of claim 21, wherein said hot melt adhesive further comprises: about 50 percent by weight of the butene-1 homopolymer or copolymer; and about 50 percent by weight of the tackifying resin.
Claim 27
Dependent Claim 19 words
The non-woven article of claim 21, wherein said stabilizer of said adhesive of said adhesive is a hindered phenol.
Claim 28
Dependent Claim 18 words
The non-woven article of claim 21, wherein said stabilizer of said adhesive is a tetrakis[methylene (3,5 di-tert-butyl-4-hydroxyhydrocinnamate)] methane.
Claim 29
Dependent Claim 34 words
The non-woven article of claim 21, wherein said nucleating agent of said adhesive is a member of the group: isotactic polypropylene, polyethylene, polyethylene wax, fatty acid amides, amides, stearamide, anthraquinones, and graphitic non-turbostratic carbon.
Claim 30
Dependent Claim 43 words
The non-woven article of claim 21, wherein said tackifying resin of said adhesive is a member of the group of non-polar tackifying resins consisting of: partially hydrogenated hydrocarbon resin, completely hydrogenated hydrocarbon resin, polyterpene, C 5 stream resin, and C 9 stream resin.
Claim 31
Dependent Claim 30 words
The non-woven article of claim 21, wherein said tackifying resin of said adhesive is a polar tackifying resin which is at least partially compatible with the butene-1 homopolymer or copolymer.
Claim 32
Dependent Claim 14 words
The non-woven article of claim 21, wherein the plasticizer of said adhesive is oil.
Claim 33
Dependent Claim 22 words
The non-woven article of claim 21, wherein said non-woven substrate is a member of the group: cellulose, non-woven fabric, and polymer web.
Claim 34
Dependent Claim 14 words
The non-woven article of claim 21, wherein said non-woven substrate is a polypropylene matrix.

References Cited (Backward Citations)

US3408341A Cited
US3362940A Cited
US4321334A Cited
US4320209A Cited
US4322503A Cited
US4568713A Cited
US4554304A Cited
US4576983A Cited
US4579900A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1993-06-25 1993-12-25 1994-06-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1997-06-25 1997-12-25 1998-06-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2001-06-25 2001-12-25 2002-06-26 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag