CN102898751A - Application of environment-friendly Ca-Zn composite heat stabilizer in polyvinyl chloride (PVC) products - Google Patents
Application of environment-friendly Ca-Zn composite heat stabilizer in polyvinyl chloride (PVC) products Download PDFInfo
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- CN102898751A CN102898751A CN2012104019760A CN201210401976A CN102898751A CN 102898751 A CN102898751 A CN 102898751A CN 2012104019760 A CN2012104019760 A CN 2012104019760A CN 201210401976 A CN201210401976 A CN 201210401976A CN 102898751 A CN102898751 A CN 102898751A
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Abstract
The invention relates to the application of an environment-friendly Ca-Zn composite heat stabilizer in polyvinyl chloride (PVC) products; the composite heat stabilizer takes zinc stearate, calcium stearate and di-n-octyl phthalate as foundation and comprises auxiliary stabilizer, lubricating agent and the like. The composite heat stabilizer is environment-friendly, non-toxic, efficient, low in cost and good in plasticity, and has good heat stability and processability in the processing process of PVC, thus having wide application prospect.
Description
Technical field
The present invention relates to the application of a kind of environmental protection Ca-Zn composite heat stabilizer in the PVC goods.
Background technology
Igelite has from the advantage such as putting out, fire-retardant, wear-resisting, intensity is higher, electrical insulating property and chemical stability are better, and cheap, use very, " general; but the PVC less stable, add need add some amount man-hour thermo-stabilizer to suppress its degraded.The thermo-stabilizer that is used at present PVC mainly contains lead salt, metal soap, organic tin, rare earth class and composite thermal stabilizer.
Lead salt stabilizer is to develop to reach the earliest preferably PVC thermo-stabilizer of stabilising effect, but long-term the contact with products containing lead can be caused contact stain(ing) and poisoning.So the use of plumbous type thermal stabilizing agent is subject to strict restriction.
In the face of the environmental regulation of increasingly stringent, " green " plastics have become the developing direction of 21 century plastics industry, multi-functional, Composite, efficient, low toxicity or the nontoxic development trend that has become the PVC thermo-stabilizer.And a series of organic PVC thermo-stabilizer that takes the lead in using at European ﹠ American Market, its performance has reached the level of metal soap thermal stabilizers, has eliminated the toxicity hidden danger of heavy metal from basic L, has represented the developing direction of PVC thermo-stabilizer.
Non-toxic heat stabilizer at present commonly used has organic tin and metal soap thermal stabilizers.The organic tin cost is high, in use uses wideless.Old of metal soap is cheaper, and especially calcium, zinc soap class asepsis environment-protecting are used more in stablizer, but because the independent result of use of metallic soap is poor, so need to carry out this zinc soap class compositely, obtain preferably thermo-stabilizer, better must be used in the PVC manufacture field.
Our company makes a kind of novel Ca-Zn composite heat stabilizer composition by research and development, the present not report of this stablizer, and declared patent.
Summary of the invention
The purpose of this invention is to provide the application of a kind of environmental protection Ca-Zn composite heat stabilizer in the PVC goods.
The technical solution used in the present invention is: accurately take by weighing matrix PVC powder, calcium-zinc composite stabilizing agent, fully mix in the ratio of 100:2 ~ 4 mass parts, by torque rheometer, at rotating speed 35rpm; React 7-15min under the condition that experimental temperature is 180 ℃, make the PVC goods.
The prescription of calcium zinc stabilizer of the present invention:
Zinic stearas: 10-18 part
Calcium stearate: 8-25 part
Softening agent: 25-35 part
Oxidation inhibitor: 1-3 part
Activated Calcium carbonate: 0-40 part
Lubricant: 5-10 part
Auxiliary addition agent Magnesium Stearate: 2-5 part
Auxiliary addition agent aluminium hydroxide: 3-5 part
Described softening agent is one of following: o-phthalic acid dibutyl ester, diisononyl phthalate, Di Iso Decyl Phthalate;
Described oxidation inhibitor is any one in oxidation inhibitor 689, antioxidant 264, the antioxidant 1010;
Described lubricant is wherein a kind of in solid paraffin and the polyvinyl chloride wax;
Described auxiliary addition agent is Magnesium Stearate and aluminium hydroxide.
Advantage of the present invention is mainly reflected in: can mix so that solid, liquid starting material fully disperse in the prescription, improved the synergy of stock yard, and can the more effective thermal stability that improves the PVC goods.
Embodiment
Below in conjunction with specific embodiment prescription of the present invention is further described.
In the following embodiments, except specifying, the content mark of each component of stablizer is weight fraction or weight percent.
EXAMPLE l:
PVC consists of with environmental protection Ca-Zn composite heat stabilizer raw material: 27 parts of dinoctyl phthalates, 16 parts of Zinic stearass, 13 parts of calcium stearates, 3 parts of Magnesium Stearates, 5 parts in aluminium hydroxide, 7 parts in paraffin, 2 parts in oxidation inhibitor, 27 parts of activated Calcium carbonates.
Embodiment 2:
PVC consists of with environmental protection Ca-Zn composite heat stabilizer raw material: 31 parts of dinoctyl phthalates, 13 parts of Zinic stearass, 8 parts of calcium stearates, 3 parts of Magnesium Stearates, 5 parts in aluminium hydroxide, 7 parts in paraffin, 2 parts in oxidation inhibitor, 31 parts of activated Calcium carbonates.
Embodiment 3:
PVC consists of with environmental protection Ca-Zn composite heat stabilizer raw material: 27 parts of dinoctyl phthalates, 16 parts of Zinic stearass, 13 parts of calcium stearates, 3 parts of Magnesium Stearates, 5 parts in aluminium hydroxide, 7 parts in paraffin, 2 parts in oxidation inhibitor, 27 parts of activated Calcium carbonates.
Embodiment 4:
PVC consists of with environmental protection Ca-Zn composite heat stabilizer raw material: 27 parts of dinoctyl phthalates, 15 parts of Zinic stearass, 15 parts of calcium stearates, 2 parts of Magnesium Stearates, 5 parts in aluminium hydroxide, 7 parts in paraffin, 2 parts in oxidation inhibitor, 27 parts of activated Calcium carbonates.
Embodiment 5:
PVC consists of with environmental protection Ca-Zn composite heat stabilizer raw material: 35 parts of dinoctyl phthalates, 13 parts of Zinic stearass, 21 parts of calcium stearates, 3 parts of Magnesium Stearates, 5 parts in aluminium hydroxide, 7 parts in paraffin, 2 parts in oxidation inhibitor.
The preparation technology of the stablizer among above-described embodiment 1-5 is: softening agent is added in the flask, slowly be warming up to 60-70 ℃, add Zinic stearas, calcium stearate, oxidation inhibitor, activated Calcium carbonate, auxiliary addition agent lubricant according to prescription again, keep temperature-stable, fully stirring, melting, reaction is 1 hour under 60-70 ℃ temperature, and cooling obtains one package stabilizer.
Embodiment 6:
PVC sample prescription and preparation thereof
According to the prescription among the embodiment 3, according to 27 parts of dinoctyl phthalates, 16 parts of Zinic stearass, 13 parts of calcium stearates, 3 parts of Magnesium Stearates, 5 parts in aluminium hydroxide, 7 parts in paraffin, 2 parts in oxidation inhibitor, 27 parts of activated Calcium carbonates directly mix, stir, obtain the stablizer goods, take by weighing this stablizer 2.5g and PVC powder 67.5g fully mixes, by the torque rheometer experiment, 180 ℃ of experimental temperatures, experiment rotating speed 35rpm, setting-up time 10min obtains the PVC sheet-like article, measures its rheological property.
Table 6: the rheological coefficient contrast of various sample
Can find out according to table 6, the thermally-stabilised starting time of stablizer of the present invention is short, and minimum torque is low, shows that calcium zinc ratio is suitable in this system, other compositions have also played certain synergy to the thermostability of PVC in the system, have improved PVC goods processing stability.
Table 7: two kinds of technological experiment result contrasts
Can find out according to table 7, stablizer of the present invention adopts the new preparation process preparation, and the more original simple blend effect of its thermally-stabilised starting time in the PVC goods is shorter, and effect is better; The color transparency is better.
Claims (1)
1. the application of environmental protection Ca-Zn composite heat stabilizer in the PVC goods is characterized in that: accurately take by weighing matrix PVC powder, calcium-zinc composite stabilizing agent, fully mix in the ratio of 100:2 ~ 4 mass parts, by torque rheometer, at rotating speed 35rpm; React 7-15min under the condition that experimental temperature is 180 ℃, make the PVC goods.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210401976.0A CN102898751B (en) | 2012-10-22 | 2012-10-22 | Application of environment-friendly Ca-Zn composite heat stabilizer in polyvinyl chloride (PVC) products |
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| CN201210401976.0A CN102898751B (en) | 2012-10-22 | 2012-10-22 | Application of environment-friendly Ca-Zn composite heat stabilizer in polyvinyl chloride (PVC) products |
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| CN102898751A true CN102898751A (en) | 2013-01-30 |
| CN102898751B CN102898751B (en) | 2014-05-28 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103554783A (en) * | 2013-11-04 | 2014-02-05 | 江苏爱特恩东台新材料科技有限公司 | Method for preparing PVC (polyvinyl vinyl chloride) calcium-zinc complex heat stabilizer through crude terephthalic acid |
| CN103865194A (en) * | 2014-02-28 | 2014-06-18 | 广东若天新材料科技有限公司 | Application of environment-friendly calcium-zinc stabilizer on heavy-caliber PVC tubular product and PVC tubular product prepared by using stabilizer |
| CN107033608A (en) * | 2017-05-24 | 2017-08-11 | 江苏联盟化学有限公司 | Zinc stearate mixture and its preparation technology and calcium zinc stabilizer and preparation method thereof |
| CN108841048A (en) * | 2018-06-08 | 2018-11-20 | 江苏嘉仁禾科技有限公司 | A kind of dedicated low smell in floor is without phenol calcium zinc stabilizer and preparation method thereof |
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| US6140403A (en) * | 1999-07-26 | 2000-10-31 | Hammond Group, Inc. | Halogenated polymer compositions containing a metal compound stabilizer and a coated acid absorber costabilizer |
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| US6140403A (en) * | 1999-07-26 | 2000-10-31 | Hammond Group, Inc. | Halogenated polymer compositions containing a metal compound stabilizer and a coated acid absorber costabilizer |
| CN101555326A (en) * | 2009-03-17 | 2009-10-14 | 福州大学 | Method for preparing calcium-zinc composite heat stabilizer for PVC by utilizing crude lanolin fatty acid |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103554783A (en) * | 2013-11-04 | 2014-02-05 | 江苏爱特恩东台新材料科技有限公司 | Method for preparing PVC (polyvinyl vinyl chloride) calcium-zinc complex heat stabilizer through crude terephthalic acid |
| CN103554783B (en) * | 2013-11-04 | 2017-02-08 | 江苏爱特恩东台新材料科技有限公司 | Method for preparing PVC (polyvinyl vinyl chloride) calcium-zinc complex heat stabilizer through crude terephthalic acid |
| CN103865194A (en) * | 2014-02-28 | 2014-06-18 | 广东若天新材料科技有限公司 | Application of environment-friendly calcium-zinc stabilizer on heavy-caliber PVC tubular product and PVC tubular product prepared by using stabilizer |
| CN107033608A (en) * | 2017-05-24 | 2017-08-11 | 江苏联盟化学有限公司 | Zinc stearate mixture and its preparation technology and calcium zinc stabilizer and preparation method thereof |
| CN108841048A (en) * | 2018-06-08 | 2018-11-20 | 江苏嘉仁禾科技有限公司 | A kind of dedicated low smell in floor is without phenol calcium zinc stabilizer and preparation method thereof |
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| CN102898751B (en) | 2014-05-28 |
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