Plasticizer and polyvinyl chloride resin composition containing same

A technology of polyvinyl chloride resin and composition, applied in the field of plasticizer of polyvinyl chloride resin and polyvinyl chloride resin composition, can solve problems such as application reduction, and achieve the effect of improving tensile strength and good plasticizing efficiency

Inactive Publication Date: 2011-09-07
SK INNOVATION CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because of the controversy over the toxicity caused by the reactivation of phthalates, the use of phthalate plasticizers is predicted to decrease significantly in the future in accordance with laws governing the control of toxic materials

Method used

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  • Plasticizer and polyvinyl chloride resin composition containing same
  • Plasticizer and polyvinyl chloride resin composition containing same
  • Plasticizer and polyvinyl chloride resin composition containing same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0036] Hereinafter, the present invention will be described in more detail with reference to examples. However, these examples are only for illustrating the present invention, and the scope of the present invention is not limited thereto. In these examples, the following methods were used to evaluate the physical properties of the samples.

[0037] hardness

[0038] Based on ASTM D2240, the measuring needle of the hardness tester (type A) is completely pressed on a certain point of the sample for 5 seconds, and then the hardness of the sample is measured. The hardness test was carried out at three points of each sample, and then the average value thereof was obtained. The hardness is used as an index to express the plasticizing efficiency.

[0039] Tensile Strength, Elongation, Modulus of Elasticity at 100% Elongation

[0040] Based on the ASTM D412 method, UTM was used to measure the tensile strength and elastic modulus of the samples. The tensile strength and modulus o...

Embodiment 1

[0044] Preparation of ester plasticizers using 1,4-butanediol, benzoic acid and capric acid

[0045] First, 1.0 mol of 1,4-butanediol, 1.0 mol of benzoic acid, 1.0 mol of capric acid, 200 g of toluene (as a solvent) and 3.0 g of sodium bisulfate (as a catalyst) were placed in a mixing chamber equipped with a stirrer and a condenser. 2L round bottom flask, then heated to 130°C, and reacted for 12 hours.

[0046] After the reaction, neutralize unreacted organic acid and acid catalyst with 10% by weight of sodium carbonate aqueous solution, wash, dehydrate, then filter with adsorbent, obtain benzoic acid 4-decanoyloxy-butyl ester (about 50% by weight ) as the main component of the ester plasticizer.

[0047] Preparation of polyvinyl chloride resin composition

[0048] Test specimens were prepared to evaluate the properties of the obtained ester plasticizers. That is: in parts by weight, 50phr of the obtained ester plasticizer (which contains benzoic acid 4-decanoyloxy-buty...

Embodiment 2

[0051] An ester plasticizer and a polyvinyl chloride resin composition were prepared in the same manner as in Example 1 except that octanoic acid was used instead of capric acid. The test results are shown in Table 1 below.

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Abstract

The present invention provides an ester plasticizer, particularly, a plasticizer for a polyvinyl chloride (PVC) resin, and a plastic comprising the plasticizer. More concretely, the present invention provides a plasticizer prepared by the esterification reaction of 1,4 - butanediol and organic acid. When a polyvinyl chloride resin composition is manufactured using the ester plasticizer of the present invention, there are advantages in that a product having excellent plasticizing efficiency can be obtained, and in that the physical properties such as tensile strength and the like of the product are improved.

Description

technical field [0001] The present invention relates to ester compounds and plastics containing the same, in particular to plasticizers for polyvinyl chloride (PVC) resins. More precisely, the present invention relates to such ester plasticizers, which are prepared by esterification of 1,4-butanediol with different carboxylic acids, through which plasticizers with high plasticity can be produced. A polyvinyl chloride resin composition having chemical efficiency and improved physical properties (such as hardness, tensile strength, etc.). Background technique [0002] Polyvinyl chloride resin is a homopolymer of polyvinyl chloride or a copolymer containing more than 50% polyvinyl chloride. It is a commonly used resin, and it can be formed into various products through extrusion molding, injection molding, calendering and other processes. Such polyvinyl chloride resins are widely used as raw materials for various products such as pipes, wires, electric appliances, toys, films,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C69/003C08L27/06C08K5/00
CPCC07C69/78C08K5/103C08L27/06C08K5/0016C08K5/10C08J5/00C08J5/18
Inventor 权兑旭王浩洪承权高在石
Owner SK INNOVATION CO LTD
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