CN102504465B - Special compound preparation for PVC (polyvinyl chloride) manufacture - Google Patents
Special compound preparation for PVC (polyvinyl chloride) manufacture Download PDFInfo
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- CN102504465B CN102504465B CN 201110292321 CN201110292321A CN102504465B CN 102504465 B CN102504465 B CN 102504465B CN 201110292321 CN201110292321 CN 201110292321 CN 201110292321 A CN201110292321 A CN 201110292321A CN 102504465 B CN102504465 B CN 102504465B
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- polyvinyl chloride
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Abstract
The invention provides a special compound preparation for PVC (polyvinyl chloride) manufacture. The preparation is prepared from the following raw materials in percentage by weight: 10 to 20 percent of vulcanizing agent TCHC, 25 to 40 percent of vinylidene chloride copolymer resin, 10 to 20 percent of methyl methacrylate, and 20 to 35 percent of rare-earth packing, wherein the vinylidene chloride copolymer resin is prepared by polymerization of organic silicon-acrylate rubber particle modified vinylidene chloride, and the rare-earth additive is common rare-earth containing antimony metal salt. The preparation method of the preparation comprises the following steps of: sufficiently mixing the raw materials at 125 DEG C and vacuum of 0.6mbar; and reacting for 2 hours. The special compound preparation can effectively reduce errors which are easily generated in a product production process when being applied to PVC manufacture, and has the advantages of simpleness and practicality, quality improvement, cost reduction and the like.
Description
Technical field
The present invention relates to PVC processed and applied technical field, specifically belong to a kind of new additive that plastics, PVC are extruded thermoforming processing.
Background technology
Present stage, the processing of PVC is to be mixed by multiple individual auxiliary agent.Complete preventing PVC decompose, accelerate short molten, increase toughness, the easily demoulding, a series of proterties such as anti-aging must add corresponding stablizer, ACR(PVC processing aid), the CPE(chlorinatedpolyethylene), lubricant, antiaging agent make up solution.And in mixing process, the error that produces because repeatedly weighing and the very different quality of product that finally causes of various auxiliary agent quality are unstable.But the auxiliary agent of existing interpolation PVC can not effectively solve the technical barriers such as PVC decomposes, toughness of products is not high, easy aging, and complicated operation, and cost is higher.The technology that present compound preparation is applied to separately PVC processing has no report.
Summary of the invention
The object of the present invention is to provide a kind of PVC processing special-purposed compound preparation, it is applied to PVC processing can effectively reduce the error that easily produces in process of producing product, have simple and practical, improve quality and the characteristics such as reduce costs.
Embodiment of the present invention are: a kind of PVC processing special-purposed compound preparation, and its preparation of raw material by following weight percent forms:
Vulcanizing agent TCHC10%～20%, chlorinated polyvinyl chloride copolymer resins 25%～40%, methyl methacrylate 10%～20% and RARE EARTH FILLED material 20%～35%, described chlorinated polyvinyl chloride copolymer resins is to be made by the particle modified chlorinated polyvinyl chloride polymerization of organosilicon-acrylic elastomer.Rare earth addition is the common rare earth that contains antimony metalloid salt.
Its compound method is: above-mentioned raw materials at 125 ℃, is fully mixed reaction 2h under the 0.6mbar vacuum.
What optimize is, is formed by the preparation of raw material of following weight percent: | vulcanizing agent TCHC15%, chlorinated polyvinyl chloride copolymer resins 35%, methyl methacrylate 20% and RARE EARTH FILLED material 30%.。
Compound preparation of the present invention, its similar is in high molecular polymer, molecular weight is about 1,200,000 carbosilane units, the carbochain that many trees fork structures are arranged on its molecular chain, it can link with PVC well and with the calcium obvolvent, make the product Heat stability is good, and can replace tertiary carbon position chlorine atom, with diene generation addition reaction, destroy two yoke structures when suppressing to take off HCL, prevent the look change.In addition, it can urge molten well, and the ductility alligation of PVC all is improved, and the arborescens dispersing morphology that the R degree is very little in the PVC matrix, is promoted, and the finished product quality will significantly improve.
Therefore, compound preparation provided by the invention is compared with other auxiliary agent, has very significantly improved the homogeneity of disperseing with mixed with resin; Reduce the number of times of computation weigh, caused the probability of error and the associated loss that brings thus thereby reduced computation weigh; Simplified the supply of auxiliary material and stocked, being conducive to the management of products production and quality; Improved working condition, be conducive to production-scale expansion and provide a new direction for from now on production development; Reduced the release of hazardous and noxious substances, made product more low-carbon (LC), more environmental protection, more green.
Embodiment
The below provides embodiments of the invention:
Embodiment 1:
A kind of PVC processing special-purposed compound preparation, preparation of raw material by following weight percent forms: vulcanizing agent TCHC20%, chlorinated polyvinyl chloride copolymer resins 25%, methyl methacrylate 20% and RARE EARTH FILLED material 35%, described chlorinated polyvinyl chloride copolymer resins is the rosin products that is got by organic silicon-acrylate rubber particles modification chlorinated polyvinyl chloride polymerization, and rare earth addition is the common rare earth that contains antimony metalloid salt.Its compound method be with above-mentioned raw materials at 125 ℃, fully mix reaction 2h under the 0.6mbar vacuum.
Embodiment 2:
PVC processes special-purposed compound preparation, is formed by the preparation of raw material of following weight percent: TCHC10%, chlorinated polyvinyl chloride copolymer resins 40%, methyl methacrylate 15% and RARE EARTH FILLED material 35%.Compound method is identical with embodiment 1.
Embodiment 3:
PVC processes special-purposed compound preparation, is formed by the preparation of raw material that comprises following weight percent: | vulcanizing agent TCHC15%, chlorinated polyvinyl chloride copolymer resins 35%, methyl methacrylate 20% and RARE EARTH FILLED material 30%.Compound method is identical with embodiment 1.
Embodiment 3 is preferred version.
Embodiment 4:
The present embodiment provides the concrete use formula of the different PVC products of PVC processing special-purposed compound preparation provided by the invention (hereinafter to be referred as ARA) processing.
Table 1 interpolation compound preparation ARA carries out PVC and adds body of tool use formula
The below provides the PVC product and the physicals synopsis of general PVC converted products and the PVC product and general PVC formula for a product contrast table of interpolation compound preparation that adds compound preparation of the present invention (hereinafter to be referred as ARA):
The physicals synopsis of product and general PVC converted products after table 2 interpolation compound preparation ARA
Table 3 adds compound preparation ARA product and general PVC formula for a product contrast table
As can be seen from Table 2, the resistance to impact shock, tensile strength and the elongation at break that have added the PVC product of compound preparation ARA of the present invention all are significantly improved.As can be seen from Table 3, the PVC product that adds compound preparation ARA of the present invention has omitted the auxiliary agents such as stablizer, CPE, ACR and organotin, can greatly reduce production costs.
Claims (3)
1. PVC processing special-purposed compound preparation, is characterized in that, formed by the preparation of raw material of following weight percent:
Vulcanizing agent TCHC10%～20%, chlorinated polyvinyl chloride copolymer resins 25%～40%, methyl methacrylate 10%～20% and RARE EARTH FILLED material 20%～35%, described chlorinated polyvinyl chloride copolymer resins, to be made by the particle modified chlorinated polyvinyl chloride polymerization of organosilicon-acrylic elastomer, rare earth addition is the common rare earth that contains antimony metalloid salt, its compound method is: with above-mentioned raw materials at 125 ℃, 0.6mbar fully mix reaction 2h under vacuum.
2. PVC according to claim 1 processing special-purposed compound preparation, is characterized in that, formed by the preparation of raw material of following weight percent: | vulcanizing agent TCHC15%, chlorinated polyvinyl chloride copolymer resins 35%, methyl methacrylate 20% and RARE EARTH FILLED material 30%.
3. the compound method of a PVC as claimed in claim 1 processing special-purposed compound preparation, it is characterized in that, take the raw material of following weight percent: vulcanizing agent TCHC10%～20%, chlorinated polyvinyl chloride copolymer resins 25%～40%, methyl methacrylate 10%～20% and RARE EARTH FILLED material 20%～35%, with above-mentioned raw materials at 125 ℃, 0.6mbar fully mix reaction 2h under vacuum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110292321 CN102504465B (en) | 2011-10-03 | 2011-10-03 | Special compound preparation for PVC (polyvinyl chloride) manufacture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110292321 CN102504465B (en) | 2011-10-03 | 2011-10-03 | Special compound preparation for PVC (polyvinyl chloride) manufacture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102504465A CN102504465A (en) | 2012-06-20 |
| CN102504465B true CN102504465B (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110292321 Expired - Fee Related CN102504465B (en) | 2011-10-03 | 2011-10-03 | Special compound preparation for PVC (polyvinyl chloride) manufacture |
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| CN (1) | CN102504465B (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5941374A (en) * | 1982-08-31 | 1984-03-07 | Toyoda Gosei Co Ltd | Adhesive for insert in pvc product |
| CN1990515A (en) * | 2005-12-30 | 2007-07-04 | 易会安 | Starch-(methyl) acrylic ester grafted copolymer, oil suction swelling rubber comprising same and oil well packer |
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2011
- 2011-10-03 CN CN 201110292321 patent/CN102504465B/en not_active Expired - Fee Related
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