High density polyethylene drainage protection board and its preparation method
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- JIANGSU HUAHONG RUBBER & PLASTIC
- Publication Date
- 2005-11-09
- Estimated Expiration
- Not applicable · inactive patent
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Abstract
Description
Technical field:
[0001] The invention relates to a waterproof and drainage protection material, in particular to a high-density polyethylene drainage protection board and a preparation method thereof. High-density polyethylene drainage protection board is widely used in construction basement drainage protection and planting roof drainage protection, construction buildings, factories, hospitals, shopping malls ground moisture, sound insulation, shock isolation, tunnel waterproofing, drainage and other engineering fields. Background technique:
[0002] According to research, in the Paleolithic Age about 50,000 years ago, the Chinese had already learned to build "sloping thatched shacks", laying thatch on "herringbone"-shaped shelves, and using the principle of slope drainage to build roofs. It is recorded in the literature that "Jie is a tile house". Archeology has confirmed that there were many types of clay tiles in the Western Zhou Dynasty. Until the 1960s, the mainstream b...