High-temperature-resistant and corrosion-resistant waterproof board for tunnels and production process thereof

A production process and high temperature resistant technology, applied in tunnels, tunnel linings, layered products, etc., can solve the problems of not being able to adapt to high ground temperature tunnel environments, waterproof boards are not resistant to high temperatures, and are not resistant to corrosion, so as to improve physical and mechanical properties and High temperature resistance, high transparency, good effect of high temperature creep resistance

Active Publication Date: 2014-01-29
HONGXIANG NEW GEO MATERIAL
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented technology improves the durability, impact resistance, processibility, thermal stability, weather resistant, anti-corrosive property, and other characteristics of plastic materials that can be applied during building works or road maintenance activities like tunneling operations. It also enhances their overall effectiveness when placed at ground level due to its ability to absorb rainwater without losing any moisture content over time.

Problems solved by technology

This patented technical issue addressed by this patents relates to improving the durable life (durability) of tungsten/tunnel water proof panels made with conventional hydraulic cement plaster castings. Current methods involve adding epoxy resin polymers like EVOH or PVC to increase their hardiness without reducing workplace health concerns associated with long term exposure during peak temperatures such as those found on highway roads.

Method used

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  • High-temperature-resistant and corrosion-resistant waterproof board for tunnels and production process thereof
  • High-temperature-resistant and corrosion-resistant waterproof board for tunnels and production process thereof
  • High-temperature-resistant and corrosion-resistant waterproof board for tunnels and production process thereof

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0024] Example 1 A high-temperature and corrosion-resistant waterproof board for tunnels, with high-density polyethylene HDPE as the main raw material, random copolymerized polypropylene PPR and BE2045 double-resistant carbon black produced by Beijing Yisanyou Plastic Technology Co., Ltd. as auxiliary materials, using The upper and lower two-layer composite structure, the upper layer is made of high-density polyethylene HDPE, random copolymerized polypropylene PPR and carbon black materials containing antioxidants, high-density polyethylene HDPE, random copolymerized polypropylene PPR and carbon black containing antioxidants The mass ratio between them is 1:0.04:0.26; the lower layer is made of high-density polyethylene HDPE and random copolymerized polypropylene PPR and carbon black material, and the mass ratio of high-density polyethylene HDPE and random copolymerized polypropylene PPR is 1 : 0.25. Its specific production process is as follows:

[0025] (1) Parallel compoundin

example 2

[0032] Example 2 A high-temperature and corrosion-resistant waterproof board for tunnels, with high-density polyethylene HDPE as the main raw material, random copolymerized polypropylene PPR and BE2045 double-resistant carbon black produced by Beijing Yisanyou Plastic Technology Co., Ltd. as auxiliary materials, using The upper and lower two-layer composite structure, the upper layer is made of high-density polyethylene HDPE, random copolymerized polypropylene PPR and carbon black materials containing antioxidants, high-density polyethylene HDPE, random copolymerized polypropylene PPR and carbon black containing antioxidants The mass ratio between them is 1:0.01:0.15; the lower layer is made of high-density polyethylene HDPE and random copolymerized polypropylene PPR and carbon black materials, and the mass ratio of high-density polyethylene HDPE and random copolymerized polypropylene PPR is 1 : 0.1. Its specific production process is as follows:

[0033] (1) Parallel compoundin

example 3

[0040] Example 3 A high-temperature and corrosion-resistant waterproof board for tunnels, with high-density polyethylene HDPE as the main raw material, random copolymerized polypropylene PPR and BE2045 double-resistant carbon black produced by Beijing Yisanyou Plastic Technology Co., Ltd. as auxiliary materials, using The upper and lower two-layer composite structure, the upper layer is made of high-density polyethylene HDPE, random copolymerized polypropylene PPR and carbon black materials containing antioxidants, high-density polyethylene HDPE, random copolymerized polypropylene PPR and carbon black containing antioxidants The mass ratio between them is 1:0.1:0.35; the lower layer is made of high-density polyethylene HDPE and random copolymerized polypropylene PPR and carbon black materials, and the mass ratio of high-density polyethylene HDPE and random copolymerized polypropylene PPR is 1 : 0.4.

[0041] Its specific production process is as follows:

[0042] (1) Parallel co

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Abstract

The invention discloses a high-temperature-resistant and corrosion-resistant waterproof board for tunnels and a production process of the high-temperature-resistant and corrosion-resistant waterproof board, and relates to the technical field of waterproof materials. The high-temperature-resistant and corrosion-resistant waterproof board adopts high-density polyethylene (HDPE) as main raw materials, adopts polypropylene random copolymer (PPR) and carbon black containing antioxidant as auxiliary materials, and is of a combined structure with an upper layer and a lower layer, the upper layer adopts the HDPE, the PPR and the carbon black containing the antioxidant, the lower layer adopts the HDPE, the PPR and the carbon black, and the waterproof board is manufactured through processes of parallel material-mixing extrusion, double-flow flat die co-extrusion and three-roller press polish in an attaching mode. The corrosion-resistant performance, the high-temperature-resistant performance and the ageing-resistant performance of the waterproof board are effectively improved, and therefore the waterproof board is suitable for the environment of the tunnels with high ground temperature. The waterproof board is of the combined structure with the upper layer and the lower layer, when the waterproof board is laid on site, the upper layer is tightly attached to hole walls and the lower layer faces outwards, and therefore convenience is brought to construction of the tunnels and other waterproof underground engineering.

Description

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Claims

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Application Information

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Owner HONGXIANG NEW GEO MATERIAL
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