US4997709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel adhesives and tapes including same
Assignee: Kendall Co
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Filing: 1988-11-07
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Granted: 1991-03-05
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Expires: 2008-11-07
Abstract
Abstract A pressure-sensitive adhesive meeting Underwriter Laboratories, Inc. 181A requirements and specifications for foil tapes for use with rapid fiberglass air ducts consisting essentially of: (1) 100 phr of a block copolymer consisting of from 75 to about 100 parts be weight of a styrene-isoprene-styrene triblock copolymer and from 0-25 parts by weight of a member selected from the group consisting of a styrene-isoprene diblock copolymer, a styrene-butadiene-styrene triblock copolymer and a mixture of styrene-isoprene diblock copolymer and styrene-butadiene-styrene triblock copolymer; (2) from about 60 to about 110 phr of rubber phase associating resin; (3) from about 5 to about 30 phr of a polyestyrene phase associating resin; (4) an effective amount of flame retardant; (5) an effective amount of antioxidant for the rubbery isoprene moiety; and (6) a crosslinking system for crosslinking the isoprene moiety; and foil tapes including same.
Inventors
- 👤 Elwyn Huddleston
- 👤 Rajiv Anand
- 👤 Gary R. Robe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:20
CPC Classifications
C; C09; C09J; C09J153/00; C09J153/02; C09J7/00; C09J7/30; C09J7/38; C09J7/381; C09J7/387; C08; C08L; C08L2666/00; C08L2666/02; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2804; Y10T428/2852; Y10T428/2878; Y10T428/2883; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31696
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
157 words
An adhesive tape comprising a sheet material carrying on one surface thereof a layer of adhesive consisting essentially of: (1) 100 phr of a block copolymer consisting of about 75 to about 100 parts by weight of a styrene-isoprene-styrene triblock copolymer and from 0-25 parts by weight of a member selected from the group consisting of a styrene-isoprene diblock copolymer, a styrene-butadiene-styrene triblock copolymer and a mixture a styrene-isoprene diblock copolymer and styrene-butadiene-styrene triblock copolymer; (2) from about 60 to about 110 phr of rubber phase associating resin selected from the group consisting of polymerized mixed olefin resins, polyterpene resins, rosin esters or hydrogenated hydrocarbon resins. (3) from about 5 to about 30 phr of a polystyrene phase associating resin; (4) an effective amount of flame retardant; (5) an effective amount of antioxidant for the rubbery isoprene moiety; and (6) a crosslinking system in an amount sufficient to effect at least partial crosslinking of the isoprene moiety.
Claim 2
Dependent Claim
157 words
An adhesive tape comprising a sheet material carrying on one surface thereof a layer of adhesive consisting essentially of: (1) 100 phr of a block copolymer consisting of about 75 to about 100 parts by weight of a styrene-isoprene-styrene triblock copolymer and from 0-25 parts by weight of a member selected from the group consisting of a styrene-isoprene diblock copolymer, a styrene-butadiene-styrene triblock copolymer and a mixture a styrene-isoprene diblock copolymer and styrene-butadiene-styrene triblock copolymer; (2) from about 60 to about 110 phr of rubber phase associating resin selected from the group consisting of polymerized mixed olefin resins, polyterpene resins, rosin esters or hydrogenated hydrocarbon resins. (3) from about 5 to about 30 phr of a polystyrene phase associating resin; (4) an effective amount of flame retardant; (5) an effective amount of antioxidant for the rubbery isoprene moiety; and (6) a crosslinking system in an amount sufficient to effect at least partial crosslinking of the isoprene moiety.
Claim 3
Dependent Claim
157 words
An adhesive tape comprising a sheet material carrying on one surface thereof a layer of adhesive consisting essentially of: (1) 100 phr of a block copolymer consisting of about 75 to about 100 parts by weight of a styrene-isoprene-styrene triblock copolymer and from 0-25 parts by weight of a member selected from the group consisting of a styrene-isoprene diblock copolymer, a styrene-butadiene-styrene triblock copolymer and a mixture of styrene-isoprene diblock copolymer and styrene-butadiene-styrene triblock copolymer; (2) from about 60 to about 100 phr of rubber phase associating resin selected from the group consisting of polymerized mixed olefin resins, polyterpene resins, rosin esters or hydrogenated hydrocarbon resins. (3) from about 10 to about 20 phr of a polystyrene phase associating resin; (4) an effective amount of flame retardant; (5) an effective amount of antioxidant for the rubbery isoprene moiety; and (6) a crosslinking system in an amount sufficient to effect at least partial crosslinking of the isoprene moiety.
Claim 4
Dependent Claim
157 words
An adhesive tape comprising a sheet material carrying on one surface thereof a layer of adhesive consisting essentially of: (1) 100 phr of a block copolymer consisting of about 75 to about 100 parts by weight of a styrene-isoprene-styrene triblock copolymer and from 0-25 parts by weight of a member selected from the group consisting of a styrene-isoprene diblock copolymer, a styrene-butadiene-styrene triblock copolymer and a mixture of styrene-isoprene diblock copolymer and styrene-butadiene-styrene triblock copolymer; (2) from about 60 to about 100 phr of rubber phase associating resin selected from the group consisting of polymerized mixed olefin resins, polyterpene resins, rosin esters or hydrogenated hydrocarbon resins. (3) from about 10 to about 20 phr of a polystyrene phase associating resin; (4) an effective amount of flame retardant; (5) an effective amount of antioxidant for the rubbery isoprene moiety; and (6) a crosslinking system in an amount sufficient to effect at least partial crosslinking of the isoprene moiety.
Claim 5
Dependent Claim
170 words
A metal foil tape meeting Underwriters Laboratories criteria for use with fiberglass air ducts, said tape comprising a metal foil backing sheet carrying a layer of an adhesive composition consisting essentially of: (1) 100 phr of a block copolymer consisting of about 75 to about 100 parts by weight of a styrene-isoprene-styrene triblock copolymer and from 0-25 parts by weight of a member selected from the group consisting of a styrene-isoprene diblock copolymer, a styrene-butadiene-styrene triblock copolymer and a mixture of styrene-isoprene diblock copolymer and styrene-butadiene-styrene triblock copolymer; (2) from about 70 to about 100 phr of rubber phase associating resin selected from the group consisting of polymerized mixed olefin resins, polyterpene resins, rosin esters of hydrogenated hydrocarbon resins. (3) from about 10 to about 20 phr of a polystyrene phase associating resin; (4) an effective amount of flame retardant; (5) an effective amount of antioxidant for the rubbery isoprene moiety; and (6) a crosslinking system in an amount sufficient to effect at least partial crosslinking of the isoprene moiety.
Claim 6
Dependent Claim
170 words
A metal foil tape meeting Underwriters Laboratories criteria for use with fiberglass air ducts, said tape comprising a metal foil backing sheet carrying a layer of an adhesive composition consisting essentially of: (1) 100 phr of a block copolymer consisting of about 75 to about 100 parts by weight of a styrene-isoprene-styrene triblock copolymer and from 0-25 parts by weight of a member selected from the group consisting of a styrene-isoprene diblock copolymer, a styrene-butadiene-styrene triblock copolymer and a mixture of styrene-isoprene diblock copolymer and styrene-butadiene-styrene triblock copolymer; (2) from about 70 to about 100 phr of rubber phase associating resin selected from the group consisting of polymerized mixed olefin resins, polyterpene resins, rosin esters of hydrogenated hydrocarbon resins. (3) from about 10 to about 20 phr of a polystyrene phase associating resin; (4) an effective amount of flame retardant; (5) an effective amount of antioxidant for the rubbery isoprene moiety; and (6) a crosslinking system in an amount sufficient to effect at least partial crosslinking of the isoprene moiety.
Claim 7
Dependent Claim
23 words
A metal foil tape as defined in claim 3 wherein said block copolymer consists of 100 parts by weight of styrene-isoprene-styrene triblock copolymer.
Claim 8
Dependent Claim
21 words
A metal foil tape as defined in claim 3, wherein said rubber phase associating resin comprises a polymerized mixed olefin resin.
Claim 9
Dependent Claim
20 words
A metal foil tape as defined in claim 3 wherein said polystyrene phase associating resin comprises a coumarone indene resin.
Claim 10
Dependent Claim
21 words
A metal foil tape as defined in claim 3 wherein said crosslinking system comprises a sulfur or sulfur donor crosslinking agent.
Claim 11
Dependent Claim
22 words
A metal foil tape as defined in claim 7 wherein said crosslinking system further includes a crosslinking activator and a crosslinking accelerator.
Claim 12
Dependent Claim
169 words
A metal foil tape meeting Underwriters Laboratories criteria for use with fiberglass air ducts, said tape comprising a metal foil backing sheet carrying a layer of an adhesive composition consisting essentially of: (1) 100 phr of a block copolymer consisting of about 75 to about 100 parts by weight of a styrene-isoprene-styrene triblock copolymer and from 0-25 parts by weight of a member selected from the group consisting of a styrene-isoprene diblock copolymer, a styrene-butadiene-styrene triblock copolymer and a mixture of styrene-isoprene diblock copolymer and styrene-butadiene-styrene triblock copolymer; (2) from about 70 to about 100 phr of rubber phase associating resin selected from the group consisting of polymerized mixed olefin resins, polyterpene resins, rosin esters or hydrogenated hydrocarbon resins; (3) from about 10 to about 20 phr of a polystyrene phase associating resin; (4) an effective amount of flame retardant; (5) an effective amount of antioxidant for the rubbery isoprene moiety; and (6) a crosslinking system in an amount sufficient to effect at least partial crosslinking of isoprene moiety.
Claim 13
Dependent Claim
169 words
A metal foil tape meeting Underwriters Laboratories criteria for use with fiberglass air ducts, said tape comprising a metal foil backing sheet carrying a layer of an adhesive composition consisting essentially of: (1) 100 phr of a block copolymer consisting of about 75 to about 100 parts by weight of a styrene-isoprene-styrene triblock copolymer and from 0-25 parts by weight of a member selected from the group consisting of a styrene-isoprene diblock copolymer, a styrene-butadiene-styrene triblock copolymer and a mixture of styrene-isoprene diblock copolymer and styrene-butadiene-styrene triblock copolymer; (2) from about 70 to about 100 phr of rubber phase associating resin selected from the group consisting of polymerized mixed olefin resins, polyterpene resins, rosin esters or hydrogenated hydrocarbon resins; (3) from about 10 to about 20 phr of a polystyrene phase associating resin; (4) an effective amount of flame retardant; (5) an effective amount of antioxidant for the rubbery isoprene moiety; and (6) a crosslinking system in an amount sufficient to effect at least partial crosslinking of isoprene moiety.
Claim 14
Dependent Claim
23 words
A metal foil tape as defined in claim 9 wherein said block copolymer consists of 100 parts by weight of styrene-isoprene-styrene triblock copolymer.
Claim 15
Dependent Claim
21 words
A metal foil tape as defined in claim 9 wherein said rubber phase associating resin comprises a polymerized mixed olefin resin.
Claim 16
Dependent Claim
20 words
A metal foil tape as defined in claim 9 wherein said polystyrene phase associating resin comprises a coumarone indene resin.
Claim 17
Dependent Claim
21 words
A metal foil tape as defined in claim 9 wherein said crosslinking system comprises a sulfur or sulfur donor crosslinking agent.
Claim 18
Dependent Claim
22 words
A metal foil tape as defined in claim 13 wherein said crosslinking system further includes a crosslinking activator and a crosslinking accelerator.
References Cited (Backward Citations)
US4399249A
Cited
US4500021A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-03-04 | 1994-09-03 | 1995-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-03-04 | 1998-09-03 | 1999-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-03-04 | 2002-09-03 | 2003-03-05 | $7700.00 | Window Closed / Lapsed |