CN103554769A - Corrosion-resisting pipe for conveying chemicals - Google Patents

Abstract

The invention discloses a corrosion-resisting pipe for conveying chemicals. The corrosion-resisting pipe is characterized by consisting of the following raw materials in parts by weight: 84-90 parts of pvc (poly vinyl chloride) resin, 6-10 parts of furfural resin, 3-4 parts of diisononyl phthalate, 10-12 parts of acrylonitrile-butadiene-styrene copolymers, 1-2 parts of sodium silicoaluminate, 2-3 parts of bentonite, 2-3 parts of carbon fibers, 0.7-1 part of stannous octoate, 1-2 parts of 1-hydroxyethyl-2-oleic imidazoline, 2-3 parts of oxidized polyethylene wax, and 8-15 parts of composite fillers. The corrosion-resisting pipe has excellent resistance to acid, alkali and corrosion and is not affected by moisture and soil acidity and alkalinity, so that the corrosion-resisting pipe does not need any anticorrosion treatment during pipeline laying.

Description

A kind of corrosion-resistant pipe for delivery of chemical

Technical field

The present invention relates generally to a kind of tubing, relates in particular to a kind of corrosion-resistant pipe for delivery of chemical.

Background technology

Pvc pipe (UPVC pipe) hard polvinyl choride pipe, is to use pressure sintering extrusion molding after being coordinated with stablizer, lubricant etc. by polyvinyl chloride (PVC) RESINS, is the plastic pipe being developed and applied the earliest.UPVC pipe resistance to corrosion is strong, it is bonding to be easy to, price is low, quality is hard, but owing to having UPVC monomer and additive exudation, is only applicable in water feeding system that delivery temperature is no more than 45 ℃.Plastic conduit is for delivery of tap water, waste water, chemical, heating fluid and cooling fluid, food, ultrarapture liquid, mud, gas, the application of pressurized air and vacuum system.

Summary of the invention

The object of the invention is just to provide a kind of corrosion-resistant pipe for delivery of chemical.

The present invention is achieved by the following technical solutions:

For delivery of a corrosion-resistant pipe for chemical, it is comprised of the raw material of following weight parts:

Pvc resin 84-90, furfuryl resin 6-10, diisononyl phthalate 3-4, acrylonitrile-butadiene-styrene copolymer 10-12, sodium silicoaluminate 1-2, wilkinite 2-3, carbon fiber 2-3, stannous octoate 0.7-1,1-hydroxyethyl-2-oil-based imidazoline 1-2, oxidized polyethlene wax 2-3, compounded mix 8-15;

Described compounded mix is comprised of the raw material of following weight parts:

Polyethylene wax 4-6, Suzhou soil 20-24, alum powder 4-5, polyisobutene 2-3, Xylo-Mucine 1-2, dimethylaminoethyl methacrylate 3-4, neopentyl glycol 3-4, oxidation inhibitor 1035 1-2, linking agent TAC1-2,cedar(wood)oil 1-2, Imarcaptoacetate dioctyltin 0.5-1;

Suzhou soil is calcined to 1-3 hour at 700-800 ℃, after discharging is cooling, become powder with polyisobutene, alum powder mixed grinding, will after above-mentioned polyethylene wax heat fused, add, drip cedar(wood)oil, after dropwising, 600-800 rev/min of dispersed with stirring 3-5 minute, obtains Preblend; Above-mentioned Xylo-Mucine is joined in 8-10 times of water, be heated to 40-45 ℃, join above-mentioned Preblend after stirring, be stirred to water dry, add each raw material of residue, fully ball milling, obtains described compounded mix.

A preparation method for the corrosion-resistant pipe of chemical, comprises the following steps:

(1) above-mentioned furfuryl resin is mixed with wilkinite, carbon fiber, at 60-70 ℃, be incubated mix and blend 20-30 minute, add oxidized polyethlene wax, fully mix, then add each raw material of residue, stir;

(2) material after cooling mixing is adopted to twin screw granulation, then extrude, tubing is pipe finished through cooling, cutting, hole enlargement, packing.

Advantage of the present invention is:

Tubing of the present invention has the acidproof, alkaline-resisting, corrosion-resistant of excellence, is not subject to the impact of moist moisture content and soil acidity or alkalinity, does not need any rotproofing during pipeline laying.

Embodiment

Embodiment 1

For delivery of a corrosion-resistant pipe for chemical, it by following weight parts (kilogram) raw material form:

Pvc resin 90, furfuryl resin 10, diisononyl phthalate 3, acrylonitrile-butadiene-styrene copolymer 12, sodium silicoaluminate 1-, wilkinite 3, carbon fiber 3, stannous octoate 0.7,1-hydroxyethyl-2-oil-based imidazoline 1, oxidized polyethlene wax 3, compounded mix 15;

Described compounded mix is comprised of the raw material of following weight parts:

Polyethylene wax 6, Suzhou soil 24, alum powder 5, polyisobutene 2, Xylo-Mucine 1, dimethylaminoethyl methacrylate 3, neopentyl glycol 3, oxidation inhibitor 1,035 1, linking agent TAC1-2,cedar(wood)oil 1-2, Imarcaptoacetate dioctyltin 0.5;

Suzhou soil is calcined 1 hour at 800 ℃, and discharging becomes powder with polyisobutene, alum powder mixed grinding after cooling, will after above-mentioned polyethylene wax heat fused, add, and dropping cedar(wood)oil, after dropwising, 800 revs/min of dispersed with stirring 5 minutes, obtain Preblend; Above-mentioned Xylo-Mucine is joined in 10 times of water, be heated to 45 ℃, join above-mentioned Preblend after stirring, be stirred to water dry, add each raw material of residue, fully ball milling, obtains described compounded mix.

A preparation method for the corrosion-resistant pipe of chemical, comprises the following steps:

(1) above-mentioned furfuryl resin is mixed with wilkinite, carbon fiber, at 70 ℃, be incubated mix and blend 30 minutes, add oxidized polyethlene wax, fully mix, then add each raw material of residue, stir;

(2) material after cooling mixing is adopted to twin screw granulation, then extrude, tubing is pipe finished through cooling, cutting, hole enlargement, packing.

Performance test:

Dichloromethane impregnating experiment (15 ℃): crack-free, ne-leakage;

Longitudinal relaxation shrinkage: 3.1%;

Drop impact experiment (0 ℃): TIR≤5%.

Claims (2)

1. for delivery of a corrosion-resistant pipe for chemical, it is characterized in that what it was comprised of the raw material of following weight parts:

Pvc resin 84-90, furfuryl resin 6-10, diisononyl phthalate 3-4, acrylonitrile-butadiene-styrene copolymer 10-12, sodium silicoaluminate 1-2, wilkinite 2-3, carbon fiber 2-3, stannous octoate 0.7-1,1-hydroxyethyl-2-oil-based imidazoline 1-2, oxidized polyethlene wax 2-3, compounded mix 8-15;

Described compounded mix is comprised of the raw material of following weight parts:

Polyethylene wax 4-6, Suzhou soil 20-24, alum powder 4-5, polyisobutene 2-3, Xylo-Mucine 1-2, dimethylaminoethyl methacrylate 3-4, neopentyl glycol 3-4, oxidation inhibitor 1035 1-2, linking agent TAC1-2,cedar(wood)oil 1-2, Imarcaptoacetate dioctyltin 0.5-1;

Suzhou soil is calcined to 1-3 hour at 700-800 ℃, after discharging is cooling, become powder with polyisobutene, alum powder mixed grinding, will after above-mentioned polyethylene wax heat fused, add, drip cedar(wood)oil, after dropwising, 600-800 rev/min of dispersed with stirring 3-5 minute, obtains Preblend; Above-mentioned Xylo-Mucine is joined in 8-10 times of water, be heated to 40-45 ℃, join above-mentioned Preblend after stirring, be stirred to water dry, add each raw material of residue, fully ball milling, obtains described compounded mix.

2. a preparation method for the corrosion-resistant pipe for delivery of chemical as claimed in claim 1, is characterized in that comprising the following steps:

(1) above-mentioned furfuryl resin is mixed with wilkinite, carbon fiber, at 60-70 ℃, be incubated mix and blend 20-30 minute, add oxidized polyethlene wax, fully mix, then add each raw material of residue, stir;

(2) material after cooling mixing is adopted to twin screw granulation, then extrude, tubing is pipe finished through cooling, cutting, hole enlargement, packing.