Stock material or miscellaneous articles – Sheets or webs edge spliced or joined
Patent
1991-11-05
1993-10-19
Thibodeau, Paul J.
Stock material or miscellaneous articles
Sheets or webs edge spliced or joined
428141, 428172, 428219, 428352, 428451, 428489, 428518, 428906, B32B 300
Patent
active
052546616
ABSTRACT:
The present waterproofing laminates comprise a flexible sheet-like polymeric support having a first major side thereof coated with a release coating which is substantially non-adherent to bituminous compositions and having a second major side thereof coated with a flexible membrane layer of an adhesive bituminous composition, wherein said release coating can be removed with wet abrasion. These laminates can be formed into rolls for shipment without the need for a large release paper layer over the bituminous adhesive layer. The present invention also relates to a novel method of forming tight overlap seams between the adjacent layers of the present laminates. The method involves washing the first applied layer with a wet abrasion before applying an upper overlapping laminate.
REFERENCES:
patent: 3900102 (1975-08-01), Hurst
patent: 3946139 (1976-03-01), Bleyle et al.
patent: 4039707 (1977-08-01), O'Malley
patent: 4172830 (1979-10-01), Rosenberg et al.
patent: 4190688 (1980-02-01), Traver et al.
patent: 4215160 (1980-07-01), Rosenberg et al.
patent: 4374894 (1983-02-01), Antlfinger
patent: 4380503 (1983-04-01), Koerner et al.
patent: 4386135 (1983-05-01), Campbell et al.
patent: 4442148 (1984-04-01), Stierli
patent: 4559267 (1985-12-01), Freshwater et al.
patent: 4751122 (1988-06-01), May
patent: 4755409 (1988-07-01), Harkness
patent: 5082704 (1992-01-01), Higgins
"Information About Silcone Defoamers," Dow Corning Corporation, Form No. 22-030B-83 (2 pages).
"Standard Test Methods for Peel Adhesion of Pressure-Sensitive Tape at 180.degree. Angle," ASTM, Designation: D 3330-83 (5 pages).
Technical Bulletin, "The KELGIN Series of Kelco algin products, highly refined for use in the paper industry, consisting of Kelgin HV, Kelgin MV, Kelgin LV, Kelgin XL, Kelgin RL", PDB #1 (4 pages).
"Syl-off systems, Coatings for premium performance", SYL-OFF System VII, Dow Corning Corporation, Form No. 22-993-84 (4 pages).
"SYL-OFF Systems, Coatings for Premium Performance", System IV, Dow Corning Corporation, Form No. 24-108A-89 (6 pages).
"Surface Active CoPolymers Could be the Most Cost-Effective Wetting Agents You Will Ever Use", Union Carbide Corporation, (20 pages).
"Moisture, grease, oxygen bounce off DARAN high barrier coatings", DARAN, Organic Chemicals Division, W.R. Grace & Co., Nov. 1982, (4 pages).
Baker William L.
Le H. Thi
Leon Craig K.
Thibodeau Paul J.
W. R. Grace & Co.,-Conn.
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