A kind of rapidly prototyping PVC-U pipe material and preparation method thereof

A PVC-U, fast technology, applied in the field of plastic pipes, can solve the problems of poor impact resistance of carbon fiber ball modified composite materials

Active Publication Date: 2021-09-10
泉州兴源新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the impact resistance of the carbon fiber ball modified composite material prepared by this patent for rapid prototyping is not good

Method used

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  • A kind of rapidly prototyping PVC-U pipe material and preparation method thereof
  • A kind of rapidly prototyping PVC-U pipe material and preparation method thereof
  • A kind of rapidly prototyping PVC-U pipe material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] A rapid prototyping PVC-U pipe, prepared by the following method:

[0034] Step S10, preparing pretreated calcium carbonate: put the calcium carbonate in an oven at 95°C to dry for 2 hours, put it in a high-speed mixer, add silane coupling agent KH-550 with a weight of 0.7% of calcium carbonate, and mix at high speed for 5 minutes;

[0035] Step S20, preparing modified EVA: adding 10 parts of EVA, 1.2 parts of pretreated calcium carbonate, 0.3 parts of ethylene / octene copolymer and 0.3 parts of lubricating dispersant to a high-speed mixer for high-speed stirring at a rate of 2°C / min The heating rate was raised to 85°C, and the temperature was kept constant for 3 minutes to obtain modified EVA;

[0036] Step S30, weighing the raw materials for preparing the rapid prototyping PVC-U pipe according to the above weight parts, wherein the heat stabilizer is barium ricinoleate, zinc anthranilate and epoxy soybean oil mixed in a weight ratio of 2:1:1, The antioxidant is triiso...

Embodiment 2

[0040] A rapid prototyping PVC-U pipe, prepared by the following method:

[0041] Step S10, preparing pretreated calcium carbonate: put the calcium carbonate in an oven at 95° C. to dry for 2 hours, put it in a high-speed mixer, add silane coupling agent KH-550 of 0.8% by weight of calcium carbonate, and mix at high speed for 5 minutes;

[0042] Step S20, preparing modified EVA: adding 10 parts of EVA, 1.5 parts of pretreated calcium carbonate, 0.5 parts of ethylene / octene copolymer and 0.15 parts of lubricating dispersant to a high-speed mixer for high-speed stirring at a rate of 2°C / min The heating rate was raised to 85°C, and the temperature was kept constant for 3 minutes to obtain modified EVA;

[0043]Step S30, weighing the raw materials for preparing the rapid prototyping PVC-U pipe according to the above weight parts, wherein the heat stabilizer is barium ricinoleate, zinc anthranilate and epoxy soybean oil mixed in a weight ratio of 2:1:1, The antioxidant is selected...

Embodiment 3

[0047] A rapid prototyping PVC-U pipe, prepared by the following method:

[0048] Step S10, preparing pretreated calcium carbonate: put the calcium carbonate in an oven at 95° C. to dry for 2 hours, put it in a high-speed mixer, add silane coupling agent KH-550 with 0.9% by weight of calcium carbonate, and mix at high speed for 5 minutes;

[0049] Step S20, preparing modified EVA: adding 10 parts of EVA, 2.5 parts of pretreated calcium carbonate, 0.4 parts of ethylene / octene copolymer and 0.2 parts of lubricating dispersant to a high-speed mixer for high-speed stirring at a rate of 2°C / min The heating rate was raised to 85°C, and the temperature was kept constant for 3 minutes to obtain modified EVA;

[0050] Step S30, weighing the raw materials for preparing the rapid prototyping PVC-U pipe according to the above weight parts, wherein the heat stabilizer is barium ricinoleate, zinc anthranilate and epoxy soybean oil mixed in a weight ratio of 2:1:1, The antioxidant is triiso...

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Abstract

The invention discloses a rapidly prototyping PVC-U pipe and a preparation method thereof. The raw materials for preparing the rapidly prototyping PVC-U pipe include: 100 parts of polyvinyl chloride resin, 12-18 parts of modified EVA, chlorine 5-18 parts of polyethylene, 6-12 parts of plasticizer, 2-6 parts of potassium titanate whiskers, 0.1-0.5 parts of antioxidant, 2.5-4.0 parts of heat stabilizer, stearic acid 0.8-1.6 parts of calcium, 1.5-2.5 parts of stearic acid. The rapidly formed PVC-U pipe material prepared by the present invention has excellent thermal stability and impact resistance, has little adhesion with equipment during processing, is easy to process and form rapidly, and has a simple preparation method, easy operation of the preparation process, and economic benefits. good.

Description

technical field [0001] The invention relates to the technical field of plastic pipes, in particular to a rapidly prototyping PVC-U pipe and a preparation method thereof. Background technique [0002] PVC-U pipe, also known as hard PVC, is made of polyvinyl chloride resin as the main raw material, adding an appropriate amount of stabilizer, lubricant, filler, plasticizer, etc., and is extruded by a plastic extruder or injected by an injection molding machine. As a plastic product for construction, PVC-U pipes have developed rapidly, especially in some developed countries, where their total consumption has accounted for 80% to 90% of plastic pipes, but the melt viscosity of PVC-U pipes is high. Poor performance, the molding temperature of the resin is close to the thermal decomposition temperature, the temperature range that can be molded is very narrow, and it is difficult to mold. [0003] Chinese patent CN109721881A discloses a green environment-friendly low-temperature im...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L27/06C08L23/28C08L23/08C08L91/00C08K13/06C08K7/08C08K5/098C08K5/09C08K9/06C08K3/26C08K5/18C08K5/11C08K5/523C08K5/1515C08K5/524C08K5/134C08K5/375
CPCC08K2003/265C08L27/06C08L2201/08C08L2203/18C08L2205/035C08L23/286C08L23/0853C08L23/0815C08L91/00C08K13/06C08K7/08C08K5/098C08K5/09C08K9/06C08K3/26C08K5/18C08K5/11C08K5/523C08K5/1515C08K5/524C08K5/1345C08K5/375
Inventor 李向荣陈仕泉林专务
Owner 泉州兴源新材料科技有限公司
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