CN105693941A

CN105693941A - High-strength PVC-U (polyvinyl chloride unplasticized) pipe

Info

Publication number: CN105693941A
Application number: CN201610224231.XA
Authority: CN
Inventors: 叶青
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-04-11
Filing date: 2016-04-11
Publication date: 2016-06-22

Abstract

The invention discloses a high-strength PVC-U (polyvinyl chloride unplasticized) pipe, made from the following components according to parts by weight: 5-10 parts of acrylic ester, 4-8 parts of boron nitride, 3-7 parts of antimony dithiocarbamate, 2-3 parts of triethanolamine, 8-9 parts of potassium nitrate, 2-3 parts of acetyl tributyl citrate, 3-7 parts of benzoic acid, 1-5 parts of sodium percarbonate, 3-7 parts of sodium lauryl sulfate, 5-6 parts of alkoxy polydimethylsiloxane, 11-12 parts of sodium bentonite, 3-6 parts of thiourea, and 80-90 parts of polyvinyl chloride resin. The PVC-U pipe prepared according to a formula provided herein has an effective improvement in product strength and toughness; the materials in the pipe are well compatible, characteristics of the materials are given to effective play, and high temperature resistance and corrosion resistance of a finished product are greatly improved at the premise of ensuring no toxicity and environment friendliness.

Description

A kind of high-strength PVC-U tubing

Technical field

The present invention relates to a kind of high-strength PVC-U tubing。

Technical background

Plastic pipe is the chemical building material that high-tech is composited, and chemical building material is after steel, timber, cement, the fourth-largest class New Building Materials that the present age is emerging。Chemical building material achieves rapid progress fast development in China, especially the widely using of novel environment friendly plastics tubing, and has started a sound and has substituted the revolution of traditional construction material。Plastic pipe, because having the advantages such as current loss little, energy-conservation, material-saving, protecting ecology, completion is convenient, is widely used in the fields such as building water supply and drainage, cities and towns plumbing and Gas Pipe, becoming the main force of new century urban construction pipe network。

Plastic pipe is compared with the pipelines such as traditional cast iron pipe, coating steel pipe, pipe of cement, there is energy-saving material-saving, environmental protection, high-strength light, corrosion-resistant, inner wall smooth non-scaling, construction and the advantage such as maintenance simplicity, long service life, be widely used in building industry, municipal administration, industry and the agriculture fields such as building water supply and drainage, town and country plumbing, gas, electric power and cable jacket, industrial fluids conveying, agricultural irrigation。

Plastics are different with traditional material, technological progress paces faster, the new technique that constantly occurs, new material, new technology make the advantage of the relatively conventional material of plastic tube more and more prominent。Plastic pipe is compared with traditional metal tube and pipe of cement, have lightweight, it is typically only the 1/6-1/10 of metal tube, has good corrosion resistance, shock resistance and tensile strength, plastic tube inner surface more smooth than cast iron pipe many, coefficient of friction is little, fluid resistance is little, can reduce water delivery energy consumption more than 5%, synthesis energy saving is good, manufactures the right reduction by 75% of energy consumption, convenient transportation, installing simple, service life is up to 30-50。Plastic pipe develops quickly in countries in the world, and developed country applies at feedwater field and gas burning field that to have accounted for absolute advantage plastic pipe not only a large amount of for replacing traditional steel pipe, cast iron pipe etc., and reason is that technological innovation。Material has great progress on the one hand；On the other hand application technology has new development, makes traditional piping material not have competitiveness being suitable for the occasion adopted in this way at all。Also have a lot of new materials, new technique to study, or found out on probation examine to, it is possible to certainly, the technological progress of 10 years plastic tubes from now on will promote plastic tube more quickly to develop, more extensively。

Hard polvinyl choride pipe, is extruded by pressure sintering after Corvic coordinates with stabilizer, lubricant etc., is the plastic pipe being developed and applied the earliest。PVC-U pipe resistance to corrosion is strong, be prone to bonding, price is low, quality is hard, but with PVC-U monomer and additive exudation, is only applicable in the delivery temperature water supply system less than 45 DEG C。Plastic conduit is used for carrying drinking water, waste water, chemicals, adds hydrothermal solution and coolant, food, ultrarapture liquid, mud, gas, the application of compression air and vacuum system。

The production technology of China's new material falls behind, and most equipment all needs import, adds the impact of external enterprise so that manufacturing enterprise of China faces the market test of sternness。But it is as various new material, new equipment and new technology constantly to emerge in large numbers, the plastic pipe promoting China towards diversification of varieties, customizations and is possessed multi-functional plastic pipe direction develops。Therefore, hard polvinyl choride pipe application constantly expands in recent years, if but original insufficient strength, then can high degree affect its service life, cause that PVC-U pipe damages。Therefore it is modified on its basis, exploitation high intensity, and meets the product of international standard, can largely expand its use field。

Summary of the invention

To achieve these goals, the invention provides a kind of high-strength PVC-U tubing。

It is an object of the invention to be achieved through the following technical solutions:

A kind of high-strength PVC-U tubing, it is prepared by the component mix and blend of parts by weight and makes: acrylate 5-10 part, boron nitride 4-8 part, antimony dithiocarbamate 3-7 part, triethanolamine 2-3 part, potassium nitrate 8-9 part, tributyl 2-acetylcitrate 2-3 part, benzoic acid 3-7 part, SODIUM PERCARBONATE 1-5 part, sodium laurylsulfate 3-7 part, alkyloxydimethicone 5-6 part, sodium bentonite 11-12 part, thiourea 3-6 part and Corvic 80-90 part。

One of preferred version: it is prepared by the component of parts by weight and prepares: acrylate 5 parts, boron nitride 4 parts, antimony dithiocarbamate 3 parts, triethanolamine 2 parts, potassium nitrate 8 parts, tributyl 2-acetylcitrate 2 parts, 3 parts of benzoic acid, SODIUM PERCARBONATE 1 part, sodium laurylsulfate 3 parts, alkyloxydimethicone 5 parts, sodium bentonite 11 parts, thiourea 3 parts and Corvic 80 parts。

The two of preferred version: it is prepared by the component of parts by weight and prepares: acrylate 10 parts, boron nitride 8 parts, antimony dithiocarbamate 7 parts, triethanolamine 3 parts, potassium nitrate 9 parts, tributyl 2-acetylcitrate 3 parts, 7 parts of benzoic acid, SODIUM PERCARBONATE 5 parts, sodium laurylsulfate 7 parts, alkyloxydimethicone 6 parts, sodium bentonite 12 parts, thiourea 6 parts and Corvic 90 parts。

The three of preferred version: it is prepared by the component of parts by weight and prepares: acrylate 6 parts, boron nitride 5 parts, antimony dithiocarbamate 4 parts, triethanolamine 2 parts, potassium nitrate 8 parts, tributyl 2-acetylcitrate 2 parts, 4 parts of benzoic acid, SODIUM PERCARBONATE 2 parts, sodium laurylsulfate 4 parts, alkyloxydimethicone 5 parts, sodium bentonite 11 parts, thiourea 4 parts and Corvic 83 parts。

The four of preferred version: it is prepared by the component of parts by weight and prepares: acrylate 8 parts, boron nitride 6 parts, antimony dithiocarbamate 6 parts, triethanolamine 3 parts, potassium nitrate 9 parts, tributyl 2-acetylcitrate 3 parts, 6 parts of benzoic acid, SODIUM PERCARBONATE 4 parts, sodium laurylsulfate 6 parts, alkyloxydimethicone 6 parts, sodium bentonite 12 parts, thiourea 5 parts and Corvic 88 parts。

Its preparation method is: weigh each raw material in high speed mixer at 100-120 DEG C of mix homogeneously by formula, and keeps 5-10 minute in this temperature range；Putting in cold batch mixer when being cooled to 40-55 DEG C after having stirred and keep this temperature range to mix 5-10 minute, blowing enters dry feed bin co-extrusion；Then by the raw material after blended through double screw extruder by mould extrusion molding, extruder barrel temperature one district is: 196-205 DEG C；2nd district are: 185-195 DEG C；3rd district are: 180-190 DEG C；4th district are: 175-186 DEG C；5th district are: 170-180 DEG C；Changeover portion temperature is: 160-170 DEG C；Die body temperature one district is: 165-180 DEG C；2nd district are: 165-180 DEG C；3rd district are: 170-180 DEG C；Die temperature is: 170-210 DEG C；Extruder rotating speed is: 15-30r/min；Feeder rotating speed is: 15-25r/min；Head pressure is: 6-20Mpa；Water tank vacuum is: 0.03-0.06MPa；Hauling speed is: 5-7m/min。

The method have the advantages that the PVC-U tubing that formula provided by the invention prepares effectively raises intensity and the toughness of finished product, in the present invention, each materials compatibility is good, property of raw material be effectively played, under the premise ensureing asepsis environment-protecting, substantially increasing high temperature resistant, the corrosion resistance characteristic of finished product, good heat preservation performance, non-oxidizability are strong simultaneously, and light weight, easy transportation and installation, service life is extremely long。

Detailed description of the invention

The following stated is only the preferred embodiments of the present invention, it is not limited to the present invention, although the present invention being described in detail with reference to previous embodiment, for a person skilled in the art, technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature carries out equivalent replacement。All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention。

Embodiment 1

A kind of high-strength PVC-U tubing, it is prepared by the component mix and blend of parts by weight and makes: acrylate 5 parts, boron nitride 4 parts, antimony dithiocarbamate 3 parts, triethanolamine 2 parts, potassium nitrate 8 parts, tributyl 2-acetylcitrate 2 parts, 3 parts of benzoic acid, SODIUM PERCARBONATE 1 part, sodium laurylsulfate 3 parts, alkyloxydimethicone 5 parts, sodium bentonite 11 parts, thiourea 3 parts and Corvic 80 parts。

Embodiment 2

A kind of high-strength PVC-U tubing, it is prepared by the component mix and blend of parts by weight and makes: acrylate 10 parts, boron nitride 8 parts, antimony dithiocarbamate 7 parts, triethanolamine 3 parts, potassium nitrate 9 parts, tributyl 2-acetylcitrate 3 parts, 7 parts of benzoic acid, SODIUM PERCARBONATE 5 parts, sodium laurylsulfate 7 parts, alkyloxydimethicone 6 parts, sodium bentonite 12 parts, thiourea 6 parts and Corvic 90 parts。

Embodiment 3

A kind of high-strength PVC-U tubing, it is prepared by the component mix and blend of parts by weight and makes: acrylate 6 parts, boron nitride 5 parts, antimony dithiocarbamate 4 parts, triethanolamine 2 parts, potassium nitrate 8 parts, tributyl 2-acetylcitrate 2 parts, 4 parts of benzoic acid, SODIUM PERCARBONATE 2 parts, sodium laurylsulfate 4 parts, alkyloxydimethicone 5 parts, sodium bentonite 11 parts, thiourea 4 parts and Corvic 83 parts。

Embodiment 4

A kind of high-strength PVC-U tubing, it is prepared by the component mix and blend of parts by weight and makes: acrylate 8 parts, boron nitride 6 parts, antimony dithiocarbamate 6 parts, triethanolamine 3 parts, potassium nitrate 9 parts, tributyl 2-acetylcitrate 3 parts, 6 parts of benzoic acid, SODIUM PERCARBONATE 4 parts, sodium laurylsulfate 6 parts, alkyloxydimethicone 6 parts, sodium bentonite 12 parts, thiourea 5 parts and Corvic 88 parts。

Claims

1. a high-strength PVC-U tubing, it is characterised in that it is prepared by the component of parts by weight and prepares: acrylate 5-10 part, boron nitride 4-8 part, antimony dithiocarbamate 3-7 part, triethanolamine 2-3 part, potassium nitrate 8-9 part, tributyl 2-acetylcitrate 2-3 part, benzoic acid 3-7 part, SODIUM PERCARBONATE 1-5 part, sodium laurylsulfate 3-7 part, alkyloxydimethicone 5-6 part, sodium bentonite 11-12 part, thiourea 3-6 part and Corvic 80-90 part。

2. a kind of high-strength PVC-U tubing according to claim 1, it is characterised in that it is prepared by the component of parts by weight and prepares: acrylate 5 parts, boron nitride 4 parts, antimony dithiocarbamate 3 parts, triethanolamine 2 parts, potassium nitrate 8 parts, tributyl 2-acetylcitrate 2 parts, 3 parts of benzoic acid, SODIUM PERCARBONATE 1 part, sodium laurylsulfate 3 parts, alkyloxydimethicone 5 parts, sodium bentonite 11 parts, thiourea 3 parts and Corvic 80 parts。

3. a kind of high-strength PVC-U tubing according to claim 1, it is characterised in that it is prepared by the component of parts by weight and prepares: acrylate 10 parts, boron nitride 8 parts, antimony dithiocarbamate 7 parts, triethanolamine 3 parts, potassium nitrate 9 parts, tributyl 2-acetylcitrate 3 parts, 7 parts of benzoic acid, SODIUM PERCARBONATE 5 parts, sodium laurylsulfate 7 parts, alkyloxydimethicone 6 parts, sodium bentonite 12 parts, thiourea 6 parts and Corvic 90 parts。

4. a kind of high-strength PVC-U tubing according to claim 1, it is characterised in that it is prepared by the component of parts by weight and prepares: acrylate 6 parts, boron nitride 5 parts, antimony dithiocarbamate 4 parts, triethanolamine 2 parts, potassium nitrate 8 parts, tributyl 2-acetylcitrate 2 parts, 4 parts of benzoic acid, SODIUM PERCARBONATE 2 parts, sodium laurylsulfate 4 parts, alkyloxydimethicone 5 parts, sodium bentonite 11 parts, thiourea 4 parts and Corvic 83 parts。

5. a kind of high-strength PVC-U tubing according to claim 1, it is characterised in that it is prepared by the component of parts by weight and prepares: acrylate 8 parts, boron nitride 6 parts, antimony dithiocarbamate 6 parts, triethanolamine 3 parts, potassium nitrate 9 parts, tributyl 2-acetylcitrate 3 parts, 6 parts of benzoic acid, SODIUM PERCARBONATE 4 parts, sodium laurylsulfate 6 parts, alkyloxydimethicone 6 parts, sodium bentonite 12 parts, thiourea 5 parts and Corvic 88 parts。