Transparent polyvinyl chloride material, and preparation and application thereof

A polyvinyl chloride and ethylene technology, applied in the field of polyvinyl chloride hose materials, can solve the problems of lowering the plasticizing temperature and not ensuring the transparency of PVC

Active Publication Date: 2015-04-29
BEIJING UNIV OF CHEM TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the addition of these two modifiers cannot ensure that PVC has good transpar

Method used

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  • Transparent polyvinyl chloride material, and preparation and application thereof

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Embodiment

[0089] The present invention will be described in more detail below with examples. This embodiment all is only the description to the preferred embodiment of the present invention, does not have any limitation to the scope of the present invention

[0090] In each of the following examples, unless otherwise specified, the parts of each component are parts by weight.

[0091] In following each embodiment, adopt following method to test gained polyvinyl chloride material:

[0092] Light transmittance and haze test: measured according to GB / T2410-1980, sample thickness is 2.0mm;

[0093] Tensile strength: According to GB / T16421-1996, the tensile speed is 50mm / min, and the temperature is 25°C;

[0094] Low-temperature impact strength: Place the sample in a liquid nitrogen environment at -40°C for 20 minutes for Charpy impact;

[0095] TMA test: the temperature scanning range is 110-200°C, and the temperature rise rate is 10°C / min;

[0096] Embrittlement temperature test: MZ-40...

Embodiment 9

[0116] Polyvinyl chloride (brand SG4, purchased from Tianjin Organic Chemical No. U.S. PolyOne Corporation) mix uniformly in the ratio of 100 / 25 / 4 / 5, then add 1.5 parts of calcium stearate, 1.5 parts of zinc stearate, 5 parts of solid phosphite and β-diketone 3 parts of the compound and 30 parts of tris(2-ethylhexyl) phosphate (TOP) were mixed uniformly to obtain a mixture. Then, the mixture was kneaded uniformly at a temperature of 165° C. by a twin-roller kneader, and then released into sheets and cooled. Then put the obtained cold sheet into a flat vulcanizer with a molding temperature of 185°C and a press gauge pressure of 10MPa. After pressing for 5 minutes, take it off and keep the pressure in the cold press for cooling. The gauge pressure of the press is 8MPa, and it is cooled to After 50°C, samples were taken. The sample was cut with a cutting knife of standard size by the prototype machine, and the performance test was carried out on the sample. The experimental tes...

Embodiment 10

[0118] Polyvinyl chloride (brand SG5, purchased from Tianjin Organic Chemical Plant No. 2), Elvalo y (brand HP4051, DuPont Company), styrene-like (brand C-10, Henan Qinyang Hope Synthetic Material Factory) and MC100 (brand: JC-710, American PolyOne Corporation) in 100 / 16 / 6 / 10 portions The number ratio is mixed evenly, and 1.5 parts of calcium stearate, 1.5 parts of zinc stearate, 5 parts of solid phosphite, 3 parts of β-diketone compound and tris (2-ethylhexyl) phosphate (TOP ) 30 parts, mixed uniformly to obtain a mixture. Then, the mixture was kneaded uniformly at a temperature of 165° C. by a twin-roller kneader, and then released into sheets and cooled. Then put the obtained cold sheet into a flat vulcanizer with a molding temperature of 185°C and a press gauge pressure of 10MPa. After pressing for 5 minutes, take it off and keep the pressure in the cold press for cooling. The gauge pressure of the press is 8MPa, and it is cooled to After 50°C, samples were taken. The s...

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Abstract

The invention relates to a polyvinyl chloride material prepared from a composition containing 100 parts by weight of a polyvinyl chloride resin having the weight-average molecular weight of 100000-200000 and used as a basic resin and the following components: A) 1-10 parts by weight of a styrene analogue which is a grafted copolymer of rubber or an elastomer and alpha-methyl styrene; B) 5-30 parts by weight of a vinyl terpolymer with an America DuPont Co commodity name of Elvaloy; C) 5-20 parts by weight of low-molecular-weight polyvinyl chloride with the weight-average molecular weight of 20000-40000; D) a heat stabilizer; and E) and a plasticizer. The invention also relates to preparation and an application of the polyvinyl chloride material. The material can ensure the good transparency of PVC, improves cold resistance of PVC in the premise without sharp decrease of the hardness, moreover, reduces the plasticizing temperature of PVC, improves the performance of PVC, and broadens the application field of PVC.

Description

technical field [0001] The invention relates to a polyvinyl chloride material, more specifically to a transparent and cold-resistant polyvinyl chloride material with a relatively low plasticizing temperature, especially a polyvinyl chloride hose material. The invention also relates to the manufacture and application of the polyvinyl chloride material. technical background [0002] Polyvinyl chloride is the second largest general-purpose resin after polyethylene in the world, and it is widely used in my country. Due to its low price, good mechanical properties, good weather resistance, good electrical insulation and excellent geometric stability, PVC is widely used in the medical field. However, due to the existence of chlorine atoms in polyvinyl chloride, the polarity is large and the intermolecular force is strong, so its toughness is poor, especially at low temperatures, which limits its application. In addition, polyvinyl chloride has poor thermal and light stability. U...

Claims

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Application Information

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IPC IPC(8): C08L27/06C08L51/04C08L51/00C08L23/08C08K5/00C08K5/098C08K5/524C08K5/07C08K5/521C08K13/06C08K3/26F16L11/04
CPCC08K2201/003C08K2201/006C08K2201/011C08K2201/014C08L27/06C08L2201/10C08L2203/18C08L2205/025C08L2205/035C08L2207/53C08L51/04C08L23/08C08K13/02C08K5/098C08K5/524C08K5/07C08K5/521C08L13/00C08K13/06C08K2003/265
Inventor 丁雪佳李熙然欧远辉张龙王国胜魏永飞范义峰崔景强
Owner BEIJING UNIV OF CHEM TECH
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