发明授权
- 专利标题： Inorganic fiber mat based bituminous sheet materials
- 专利标题（中）： 无机纤维毡基沥青板材
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申请号： US520843申请日： 1983-08-05
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公开(公告)号： US4871605A公开(公告)日： 1989-10-03
- 发明人: Charles A. Pagen , George Stepien, Jr. , Paul A. Morris
- 申请人： Charles A. Pagen , George Stepien, Jr. , Paul A. Morris
- 申请人地址： TX Irving
- 专利权人： Genstar Building Materials Company
- 当前专利权人： Genstar Building Materials Company
- 当前专利权人地址： TX Irving
- 主分类号： C08L95/00
- IPC分类号： C08L95/00 ; D06N5/00 ; E04D5/02
摘要：
An improved inorganic fiber based roofing shingle for use in both high and low temperature environments is prepared by pre-coating an inorganic fibrous substrate with a polymer/bitumen composition prior to the application of a conventional asphalt or bitumen top coat, wherein the polymer content of the bitumen/polymer pre-coat composition ranges from about 3 to 99% by weight.
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