Hollow spiral silencer pipe and preparation method thereof

A sound-absorbing pipe and spiral technology, which is applied in the field of hollow spiral sound-absorbing pipe and its preparation, can solve the problems of easy aging and decomposition of drain pipes, reduce the service life of drain pipes, pollute people's living environment, etc., achieve excellent outdoor anti-aging performance, improve Anti-aging performance, reasonable effect of various parameters

Active Publication Date: 2020-12-15
ZHEJIANG DESO NEW BUILDING MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the common drainage pipes are simple in structure and poor in noise reduction effect. When water flow passes by quickly, the water flow hits the pipe wall and squeezes the air to easily generate continuous noise, which pollutes people's living environment
Moreover, the existing drainage pipes are often placed under sunlight and exposed to ultraviolet rays for a long time, which makes the drainage pipes easy to age and decompose, and cannot be used for a long time, reducing the service life of the drainage pipes. At the same time, the drainage pipes are corroded due to long-term transportation Aggressive medium, prone to corrosion and damage

Method used

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  • Hollow spiral silencer pipe and preparation method thereof
  • Hollow spiral silencer pipe and preparation method thereof
  • Hollow spiral silencer pipe and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Embodiment 1: a kind of hollow spiral silencer pipe, its raw material comprises by weight: 80 parts of PVC resins, 1 part of chlorinated polyethylene, 5 parts of ultraviolet absorbers, 2 parts of styrene-butadiene rubber, 1 part of carboxylated nitrile rubber, 1 part 1 part of stabilizer, 0.1 part of stearic acid, 25 parts of ultrafine calcium carbonate with a particle size of 68nm, 1.2 parts of rutile titanium dioxide, 0.1 part of PVC regrind, 0.1 part of ACR resin, 3 parts of modified polytetrafluoroethylene, 2 parts Polychlorotrifluoroethylene, 3 parts of polyvinylidene fluoride, 0.1 part of PVC optical brightener and 0.6 part of flame retardant;

[0037] Wherein the ultraviolet absorber is formed by mixing phenyl o-hydroxybenzoate, 2-hydroxyl-4-methoxybenzophenone and hexamethylphosphoric triamide in a mass ratio of 3:1:2;

[0038] The modified polytetrafluoroethylene is composed of carbon fiber with a particle size of 60 μm, polytetrafluoroethylene dispersion, and ...

Embodiment 2

[0047] Embodiment 2: a kind of hollow spiral silencer pipe, its raw material comprises by weight: 100 parts of PVC resins, 3 parts of chlorinated polyethylene, 5.5 parts of ultraviolet absorbers, 3.5 parts of styrene-butadiene rubber, 3.5 parts of carboxylated nitrile rubber, 3 parts Parts of stabilizer, 2.55 parts of stearic acid, 35 parts of ultrafine calcium carbonate with a particle size of 70nm, 1.8 parts of rutile titanium dioxide, 0.35 parts of PVC regrind, 0.2 parts of ACR resin, 6 parts of modified polytetrafluoroethylene, 4 parts Polychlorotrifluoroethylene, 5.5 parts of polyvinylidene fluoride, 0.5 part of PVC fluorescent whitening agent and 1.0 part of flame retardant;

[0048] Wherein the ultraviolet absorber is formed by mixing phenyl o-hydroxybenzoate, 2-hydroxyl-4-methoxybenzophenone and hexamethylphosphoric triamide in a mass ratio of 4:2:3.5;

[0049] The modified polytetrafluoroethylene is composed of carbon fibers with a particle size of 60 μm, a polytetraf...

Embodiment 3

[0058] Embodiment 3: a kind of hollow spiral silencer pipe, its raw material comprises by weight: 120 parts of PVC resins, 5 parts of chlorinated polyethylene, 6 parts of ultraviolet absorbers, 5 parts of styrene-butadiene rubber, 6 parts of carboxyl nitrile rubber, 5 parts Parts of stabilizer, 5 parts of stearic acid, 45 parts of ultrafine calcium carbonate with a particle size of 72nm, 2.4 parts of rutile titanium dioxide, 0.5 part of PVC regrind, 0.3 part of ACR resin, 9 parts of modified polytetrafluoroethylene, 6 parts Polychlorotrifluoroethylene, 8 parts of polyvinylidene fluoride, 0.9 parts of PVC optical brightener and 1.4 parts of flame retardant;

[0059] Wherein the ultraviolet absorber is formed by mixing phenyl o-hydroxybenzoate, 2-hydroxyl-4-methoxybenzophenone and hexamethylphosphoric triamide in a mass ratio of 5:3:5;

[0060] The modified polytetrafluoroethylene is composed of carbon fibers with a particle size of 60 μm, a polytetrafluoroethylene dispersion, a...

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Abstract

The invention discloses a hollow spiral noise-abating pipe and a preparation method thereof, and relates to the technical field of PVC pipe production, and the technical scheme thereof requires the hollow spiral noise-abating pipe to be prepared from the following components in parts by weight: 80-120 parts of PVC resin, 1-5 parts of chlorinated polyethylene, 5-6 parts of ultraviolet light absorber, 2-5 parts of butadiene styrene rubber, 1-6 parts of carboxy nitrile rubber, 1-5 parts of stabilizer, 0.1-5 parts of lubricant, 25-45 parts of calcium carbonate superfine powder, 1.2-2.4 parts of rutile type titanium dioxide, 0.1-0.5 part of PVC reused material, 0.1-0.3 parts of ACR resin, 3-9 parts of modified polytetrafluoroethylene, 2-6 parts of trifluorochlor oethylene and 3-8 parts of polyvinylidene fluoride. The invention solves a problem that the hollow spiral noise-abating pipe has poor aging resistance and corrosion resistance, and the ultraviolet light absorber and the modified polytetrafluoroethylene can improve the aging resistance and corrosion resistance of the noise-abating pipe.

Description

technical field [0001] The invention relates to the technical field of PVC pipe production, more specifically, it relates to a hollow spiral sound-absorbing pipe and a preparation method thereof. Background technique [0002] In existing buildings, the drainage system is an essential supporting facility, and the noise of the drainage system directly affects the living environment of residents. The pipeline is the main component of the drainage system. A good pipeline will guarantee the safety and stability of the drainage system. [0003] With the improvement of people's quality of life and environmental protection requirements, the requirements for water systems have also increased. In addition to requiring safe and stable performance of water treatment system pipelines, modern people also pay attention to the noise of pipelines. Most of the common drainage pipes are simple in structure and poor in noise reduction effect. When water flow passes by quickly, the water flow h...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L27/06C08L23/28C08L9/06C08L33/04C08K13/06C08K9/04C08K3/26C08K3/22C08K5/134C08K7/06
CPCC08K2003/2241C08K2003/265C08L27/06C08L2201/02C08L2201/08C08L2203/18C08L2205/035C08L23/286C08L9/06C08L33/04C08K13/06C08K9/04C08K3/26C08K3/22C08K5/1345C08K7/06
Inventor 虞文辉
Owner ZHEJIANG DESO NEW BUILDING MATERIAL
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