High-performance thermoplastic polyolefin waterproof coiled material with high scrap rubber powder doping amount

Abstract

The invention relates to a high-performance thermoplastic polyolefin waterproof coiled material with a high scrap rubber powder doping amount. The high-performance thermoplastic polyolefin waterproof coiled material is formed by compounding an upper surface thermoplastic polyolefin (TPO) coiled material layer, an intermediate fiber fabric enhancement layer and a lower surface scarp rubber powder-based thermoplastic elastomer (WRTPE) coiled material layer. The composite waterproof coiled material disclosed by the invention is high in tensile strength and high in breakage ductility; all the coiled material layers are tightly combined, and all properties are higher than the indexes of enhancement coiled materials in a fabric GB 27789-2011; the composite coiled material is convenient to construct, and the cost of the composite coiled material is lowered by 20-30 percent when compared with the cost of a TPO enhanced coiled material with the same thickness; the high-performance thermoplastic polyolefin waterproof coiled material has a wide application prospect.

Description

technical field [0001] The invention relates to a high-performance thermoplastic polyolefin waterproof coiled material with high waste rubber powder content, belonging to the field of waterproof materials. Background technique [0002] Polymer waterproof membrane is a new type of building material. It is light, high-strength, low-energy and multi-functional in line with the development trend of building material innovation. Common varieties include PVC waterproof membrane, EPDM waterproof membrane, CPE waterproof membrane and TPO waterproof membrane. Coil. Among them, the TPO waterproof membrane is a new type of waterproof membrane prepared with petroleum resin, ethylene, acetic acid, and vinyl resin as the base material and other additives. It combines the weather resistance, low temperature temperature of EPDM membrane and the reliability of PVC membrane. Weldability. Due to the relatively high price of TPO waterproofing membranes, the current domestic sales of TPO water...

AI Technical Summary

Problems solved by technology

[0008] In summary, although there are many domestic studies on the blending of waste rubber powder and thermoplastics to prepare elastomers, waste rubber powder-based thermoplastic elastomers with high waste rubber powder content, mechanical properties, and excellent processing fluidity are waterproof. Material not reported

In addition, in the selection of processing equipment, most of them are open mills and internal mixers. In order to improve the performance of waste rubber powder-based thermoplastic elastomers, researchers often need to pre-treat waste rubber powder. The process is cumbersome and cannot be continuously produced. Unfavorable for the industrialization of products

Finally, the current application of waste rubber powder-based thermoplastic elastomers is mostly concentrated in areas with low added value

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