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Tasteless PVC modified material and preparation method thereof

A modified material, PVC resin technology, applied in the field of odorless PVC modified material and its preparation, can solve the problems of poor thermal stability, unpleasant smell, poor fluidity, etc., and achieve excellent processing performance, excellent impact resistance, compatibility good sex effect

Inactive Publication Date: 2016-04-20
广东祺龙科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Polyvinyl chloride (PVC) is one of the earliest industrialized and widely used general-purpose thermoplastics. It has light weight, high strength, insulation, flame retardancy, corrosion resistance, It has the advantages of excellent comprehensive performance, low price and wide source of raw materials; but it also has the following disadvantages: 1. Poor toughness, easy to be brittle when impacted, so it cannot be used as a structural material. In addition, the brittleness of polyvinyl chloride is greatly affected by temperature. Large, the lower limit of general PVC products is -15°C, and the lower limit of soft PVC is -30°C; 2. Poor thermal stability, it begins to decompose HCl at 100°C, and decomposes more rapidly when it is higher than 150°C. The melting temperature of PVC is about 210°C; 3. The viscosity of PVC is extremely high and its fluidity is extremely poor, which limits its use to a certain extent.
[0005] Above-mentioned existing PVC material all can produce unpleasant smell, therefore, it is particularly important to develop a kind of tasteless PVC material

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] An odorless PVC modified material, the odorless PVC modified material includes the following parts by weight of raw materials:

[0049] 80 parts of PVC resin

[0050] Plasticizer 50 parts

[0051] 20 parts of filler

[0052] Odorless heat stabilizer 3 parts

[0053] Lubricant 0.6 parts

[0054] 1 part of deodorant.

[0055] The PVC resin is a mixture composed of calcium carbide method PVC resin and ethylene method PVC resin in a weight ratio of 2:1.

[0056] The plasticizer is a mixture composed of cyclohexane 1,2-dicarboxylate diisononyl ester, triethyl citrate and epoxy soybean oil in a weight ratio of 1.5:0.8:1.

[0057] The filler is a mixture composed of heavy calcium carbonate, light calcium carbonate and kaolin in a weight ratio of 1:0.8:1.

[0058] The odorless heat stabilizer is a mixture composed of di-n-octyl tin dilaurate, di-n-octyl tin dimercaptoacetate, and dioctyl tin mono-octyl maleate in a weight ratio of 0.8:0.5:1.

[0059] The lubricant is a mixture composed of oxid...

Embodiment 2

[0068] An odorless PVC modified material, the odorless PVC modified material includes the following parts by weight of raw materials:

[0069] 90 parts of PVC resin

[0070] 55 parts of plasticizer

[0071] 22 parts of filler

[0072] Odorless heat stabilizer 4 parts

[0073] 0.7 parts of lubricant

[0074] 1.2 parts of deodorant.

[0075] The PVC resin is a mixture composed of calcium carbide method PVC resin and ethylene method PVC resin in a weight ratio of 2.5:1.

[0076] The plasticizer is a mixture composed of cyclohexane 1,2-dicarboxylate diisononyl ester, triethyl citrate and epoxy soybean oil in a weight ratio of 1.8:0.9:1.

[0077] The filler is a mixture composed of heavy calcium carbonate, light calcium carbonate and kaolin in a weight ratio of 1.2:0.9:1.

[0078] The odorless heat stabilizer is a mixture composed of di-n-octyl tin dilaurate, di-n-octyl tin dimercaptoacetate and dioctyl tin mono-octyl maleate in a weight ratio of 0.9:0.8:1.

[0079] The lubricant is a mixture comp...

Embodiment 3

[0088] An odorless PVC modified material, the odorless PVC modified material includes the following parts by weight of raw materials:

[0089] 100 parts of PVC resin

[0090] 60 parts of plasticizer

[0091] 25 parts of filler

[0092] 5 parts of odorless heat stabilizer

[0093] 0.8 parts of lubricant

[0094] 1.5 parts of deodorant.

[0095] The PVC resin is a mixture composed of calcium carbide method PVC resin and ethylene method PVC resin in a weight ratio of 3:1.

[0096] The plasticizer is a mixture composed of cyclohexane 1,2-dicarboxylate diisononyl ester, triethyl citrate and epoxy soybean oil in a weight ratio of 2:1:1.

[0097] The filler is a mixture composed of heavy calcium carbonate, light calcium carbonate and kaolin in a weight ratio of 1.5:1:1.

[0098] The odorless heat stabilizer is a mixture composed of di-n-octyl tin dilaurate, di-n-octyl tin dimercaptoacetate and dioctyl tin monooctyl maleate in a weight ratio of 1:1:1.

[0099] The lubricant is a mixture composed of o...

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Abstract

The invention relates to the technical field of PVC materials, in particular to a tasteless PVC modified material and a preparation method thereof. The tasteless PVC modified material is prepared from the following raw materials in parts by weight: 80 to 120 parts of PVC resin, 50 to 70 parts of a plasticizer, 20 to 30 parts of a filler, 3 to 7 parts of a tasteless heat stabilizer, 0.6 to 1 part of a lubricant and 1 to 2 parts of a deodorant. According to the tasteless PVC modified material disclosed by the invention, by adopting the raw materials and strictly controlling the weight proportion of the raw materials, the properties of the prepared tasteless PVC modified material exceed the national standard, and the tasteless PVC modified material is tasteless, environment-friendly, excellent in temperature resistance and weather resistance, high in strength, excellent in shock resistance, good in flame retardant efficiency, good in processing performance and excellent in combination property.

Description

Technical field [0001] The invention relates to the technical field of PVC materials, in particular to an odorless PVC modified material and a preparation method thereof. Background technique [0002] Polyvinyl chloride (PVC) is one of the earliest industrialized and widely used general thermoplastics. It has the advantages of light weight, high strength, insulation, flame retardant, corrosion resistance, excellent comprehensive performance, low price and wide raw material sources; but also There are the following shortcomings: 1. Poor toughness, easily brittle and cracked when impacted, so it cannot be used as a structural material. In addition, the brittleness of polyvinyl chloride is greatly affected by temperature. The lower limit of use for general PVC products is -15°C, soft The lower limit of the use of PVC is -30℃; 2. The thermal stability is poor. It starts to decompose HCl at 100℃, and decomposes more rapidly when it is higher than 150℃. The melting temperature of PVC i...

Claims

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Application Information

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IPC IPC(8): C08L27/06C08L23/30C08K13/02C08K5/12C08K5/11C08K5/1515C08K3/26C08K3/34C08K5/57C08K5/58C08K5/103C08K5/20C08K5/098
CPCC08L27/06C08K2201/014C08L2201/02C08L2201/08C08L2205/035C08L23/30C08K13/02C08K5/12C08K5/11C08K5/1515C08K2003/265C08K3/346C08K5/57C08K5/58C08K5/103C08K5/20C08K3/26C08K5/098
Inventor 宁建华邬芳
Owner 广东祺龙科技有限公司
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