US4126721A
Expired / Lapsed
US
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Sealing sheeting
Assignee: Braas GmbH
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Filing: 1977-05-16
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Granted: 1978-11-21
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Expires: 1997-05-16
Abstract
Abstract A sealing sheeting for the construction industry with elastomeric properties at elevated temperatures. Further, the invention concerns the production method for such sheeting.
Inventors
- 👤 Josef Vitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:35
CPC Classifications
C; C08; C08L; C08L53/00; C08L53/02; B; B32; B32B; B32B27/00; B32B27/18; B32B27/20; B32B27/06; B32B27/10; B32B27/30; B32B27/302; B32B27/32; B32B7/00; B32B7/04; B32B7/12; B32B2270/00; B32B2305/00; B32B2305/08; B32B2323/00; B32B2323/04; B32B2325/00; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/269; Y10T442/00; Y10T442/30; Y10T442/3854; Y10T442/3886; Y10T442/60; Y10T442/674; Y10T442/678
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
49 words
Sealing sheeting for the construction industry having elastomeric properties at elevated temperatures, with a content of thermoplastic latex, polymerized ethylene, fillers, release agent, plasticizer and stabilizer, characterized by the fact that the sheeting contains 5 to 50 parts-by-weight of chlorsulfonated polyethylene for every 100 parts-by-weight of a thermoplastic latex.
Claim 2
Dependent Claim
49 words
Sealing sheeting for the construction industry having elastomeric properties at elevated temperatures, with a content of thermoplastic latex, polymerized ethylene, fillers, release agent, plasticizer and stabilizer, characterized by the fact that the sheeting contains 5 to 50 parts-by-weight of chlorsulfonated polyethylene for every 100 parts-by-weight of a thermoplastic latex.
Claim 3
Dependent Claim
69 words
The sheeting of claim 1 characterized by the fact that the sheeting essentially consists of: 100 parts-by-weight thermoplastic of block copolymerides of polystyrol-polybutadiene, 5 to 50 parts-by-weight chlorsulfonated polyethylene, 0 to 15 parts-by-weight polystyrol, 0 to 15 parts-by-weight polymerized ethylene 30 to 200 parts-by-weight fillers 5 to 25 parts-by-weight plasticizer 1 to 6 parts-by-weight release agent, 1 to 8 parts-by-weight stabilizer and 0 to 10 parts-by-weight of coloring matter.
Claim 4
Dependent Claim
62 words
Sheeting for claim 1 characterized by the fact that the sheeting essentially consists of: 100 p.b.w. thermoplastic latex, especially block copolymers of polystyrol-polybutadiene, 5 to 50 p.b.w. chlorsulfonated polyethylene 30 to 200 p.b.w. fillers 5 to 25 p.b.w. plasticizer 1 to 6 p.b.w. release agent 1 to 8 p.b.w. stabilizer 5 to 15 p.b.w. antimony trioxide 0 to 10 p.b.w. coloring matter.
Claim 5
Dependent Claim
27 words
Sheeting for claim 3 characterized by the fact that the sheet also contains up to 50 p.b.w. of a material that releases water vapors at elevated temperatures.
Claim 6
Dependent Claim
112 words
Sheeting for claim 1 wherein said thermoplastic latex is 100 p.b.w. block copolymerides of polystyrol polybutadiene and said sheet futher comprises: 30 to 40 p.b.w. chlorsulfonated polythylene, 25 to 35 p.b.w. rutile 20 to 30 p.b.w. silicate 7 to 12 p.b.w. antimony trioxide 8 to 12 p.b.w. aromatic bromine compound with 87.7wt.% bromine 5 to 15 p.b.w. epoxy plasticizer with 6 or more wt% epoxy oxygen 0.5 to 1.5 p.b.w. highly active magnesium oxide 1.0 to 2.0 p.b.w. nickel complex salt 0.3 to 0.8 p.b.w. triazine derivative 0.5 to 2.0 p.b.w. tertiary butyl phenol 1.5 to 5.0 p.b.w. high molecular fatty acid ester with a drop point of 50° to 52° C.
Claim 7
Dependent Claim
16 words
The sheeting of claim 1 wherein said sheeting has a thickness of 0.4 to 2.0 mm.
Claim 8
Dependent Claim
16 words
The sheeting of claim 1 wherein said sheeting has a thickness of 0.8 to 1.2 mm.
Claim 9
Dependent Claim
17 words
The sheeting of claim 1 characterized by the fact that said sheet is reinforced by glass fibers.
Claim 10
Dependent Claim
17 words
The sheeting of claim 1 characterized by the fact that said sheet is reinforced by synthetic fibers.
Claim 11
Independent Claim
58 words
A method for the production of sheeting comprising the steps of initially placing a part of the sheeting components, namely fillers, plasticizer, release agent, and further components into a kneading machine and immediately thereafter adding a thermoplastic latex of a block copolymeride of polystyrol polybutadiene and chlorsulfonated polyethylene, blending said components, and forming said blended material into sheets.
Claim 12
Independent Claim
58 words
A method for the production of sheeting comprising the steps of initially placing a part of the sheeting components, namely fillers, plasticizer, release agent, and further components into a kneading machine and immediately thereafter adding a thermoplastic latex of a block copolymeride of polystyrol polybutadiene and chlorsulfonated polyethylene, blending said components, and forming said blended material into sheets.
Claim 13
Dependent Claim
22 words
The process of claim 10, characterized by the fact that the steps are carried out at temperatures between 100° and 185° C.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-11-20 | 1982-05-22 | 1982-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-11-20 | 1986-05-22 | 1986-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-11-20 | 1990-05-22 | 1990-11-21 | $7700.00 | Window Closed / Lapsed |