CN102875930A - Preparation method of environment-friendly calcium-zinc compound heat stabilizer for PVC (polyvinyl chloride) - Google Patents
Preparation method of environment-friendly calcium-zinc compound heat stabilizer for PVC (polyvinyl chloride) Download PDFInfo
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Abstract
The invention relates to a preparation method of environment-friendly calcium-zinc compound heat stabilizer for PVC (polyvinyl chloride). The environment-friendly calcium-zinc compound heat stabilizer for PVC is mainly made from zinc stearate, calcium stearate and di-n-octylo-phthalate with co-stabilizer, lubricant and the like. The environment-friendly calcium-zinc compound heat stabilizer for PVC has high heat stability and processibility and is environment-friendly, low in cost, high in plasticity in processing of the PVC and capable of lowering balancing torque, and is widely applicable.
Description
Technical field
The present invention relates to the preparation method that a kind of PVC uses the environmental protection Ca-Zn composite heat stabilizer.
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 extensive, 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.Metal soap lower cost, 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.
Summary of the invention
The purpose of this invention is to provide a kind of Ca-Zn composite heat stabilizer composition, this one package stabilizer environment-protecting asepsis can significantly provide the thermostability of PVC, and goods has the preferably transparency and slickness.
The technical solution used in the present invention is:
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 other auxiliary addition agents are Magnesium Stearate and aluminium hydroxide.
The invention still further relates to the preparation method that a kind of PVC uses the environmental protection calcium-zinc composite stabilizing agent, described method comprises the steps: according to the prescription consumption, softening agent is added in the flask, slowly be warming up to 60-70 ℃, treat temperature-stable, add Zinic stearas, calcium stearate, oxidation inhibitor, activated Calcium carbonate, auxiliary addition agent, the lubricant of formula ratio, with material fully stir, melting, reaction is 1 hour under 60-70 ℃ temperature, and cooling obtains calcium-zinc composite stabilizing agent.
Zinc composite stabilizer of the present invention and preparation method thereof advantage 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.
Embodiment 6:
PVC sample prescription and preparation thereof
PVC powder 67.5g, calcium-zinc composite stabilizing agent (sample of embodiment 1-5 preparation) 2.5g, accurately take by weighing respectively the stablizer that makes among PVC powder and the embodiment, fully mix, by torque rheometer experiment, 180 ℃ of experimental temperatures, experiment rotating speed 35rpm, setting-up time 10min obtains the PVC sheet-like article, measures its heat-stable time and color thereof.
Embodiment 7:
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, test by torque rheometer, 180 ℃ of experimental temperatures, experiment rotating speed 35rpm, setting-up time 10min, obtain the PVC sheet-like article, measure its heat-stable time and color thereof.
Table 6: various sample colour contrast
Can find out according to table 6, stablizer transparency of the present invention is better, show that calcium zinc ratio is suitable in this system, composition, particle diameter and PVC powder have the refractive index that approaches in the system, other compositions have also played certain synergy to the thermostability of PVC in the system, have improved PVC goods processing stability.
Table 7: the rheological coefficient contrast of various sample
Can find out according to table 7, the equilibration time of stablizer of the present invention is short, and minimum torque is low, shows that calcium zinc is more suitable than row 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 8: two kinds of technological experiment result contrasts
Can find out according to table 8, 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 better; The color transparency is better.
Claims (5)
1. a PVC is with the preparation method of environmental protection Ca-Zn composite heat stabilizer, and it is characterized in that: the raw material by following massfraction forms: 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, other auxiliary addition agent Magnesium Stearates 2-5 part, auxiliary addition agent aluminium hydroxide 3-5 part part; Its making step is as follows: 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.
2. a kind of PVC environmental protection Ca-Zn composite heat stabilizer according to claim 1 is characterized in that: described softening agent is one of following: o-phthalic acid dibutyl ester, diisononyl phthalate, Di Iso Decyl Phthalate.
3. a kind of PVC environmental protection Ca-Zn composite heat stabilizer according to claim 1, it is characterized in that: described oxidation inhibitor is any one in oxidation inhibitor 689, antioxidant 264, the antioxidant 1010.
4. a kind of PVC environmental protection Ca-Zn composite heat stabilizer according to claim 1, it is characterized in that: described lubricant is wherein a kind of in solid paraffin and the polyvinyl chloride wax.
5. a kind of PVC environmental protection Ca-Zn composite heat stabilizer according to claim 1, it is characterized in that: described other auxiliary addition agents are Magnesium Stearate and aluminium hydroxide.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103275440A (en) * | 2013-06-24 | 2013-09-04 | 苏州新区特氟龙塑料制品厂 | Water feeding pipe manufactured by polyvinyl chloride plastics |
| 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 |
| CN106046599A (en) * | 2016-06-24 | 2016-10-26 | 广州湘环新材料有限公司 | Thermoplastic agent for PVC (polyvinyl chloride) tubes and preparation method thereof |
| CN106046606A (en) * | 2016-07-01 | 2016-10-26 | 西安科技大学 | Maleamic acid-based calcium-zinc compound heat stabilizer as well as preparation method and application thereof |
| CN106188938A (en) * | 2016-07-08 | 2016-12-07 | 浙江海普顿新材料股份有限公司 | A kind of powder body zinc-base composite thermal stabilizer and preparation method |
| CN106566123A (en) * | 2016-10-28 | 2017-04-19 | 祖兴保 | Environmentally-friendly zinc stearate composite stabilizer for PVC, and preparation method thereof |
| CN107418227A (en) * | 2017-07-31 | 2017-12-01 | 郑州庆宏塑胶科技有限公司 | Zeolite type calcium-zinc composite stabilizing agent and preparation method thereof |
| WO2020024308A1 (en) * | 2018-07-30 | 2020-02-06 | 深圳市志海实业股份有限公司 | Rare earth compound thermal stabilizer for pvc and preparation method therefor |
| CN113372775A (en) * | 2021-06-28 | 2021-09-10 | 哈尔滨市雪鹰工程材料有限公司 | High-cold-resistant anticorrosive paint |
| CN113773552A (en) * | 2021-09-27 | 2021-12-10 | 山东慧科助剂股份有限公司 | Dihydropyridine PVC composite heat stabilizer and preparation method thereof |
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| CN103275440A (en) * | 2013-06-24 | 2013-09-04 | 苏州新区特氟龙塑料制品厂 | Water feeding pipe manufactured by polyvinyl chloride plastics |
| 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 |
| CN106046599A (en) * | 2016-06-24 | 2016-10-26 | 广州湘环新材料有限公司 | Thermoplastic agent for PVC (polyvinyl chloride) tubes and preparation method thereof |
| CN106046606A (en) * | 2016-07-01 | 2016-10-26 | 西安科技大学 | Maleamic acid-based calcium-zinc compound heat stabilizer as well as preparation method and application thereof |
| CN106046606B (en) * | 2016-07-01 | 2018-08-28 | 西安科技大学 | Double maleamic acid base Ca-Zn composite heat stabilizers, preparation method and application |
| CN106188938A (en) * | 2016-07-08 | 2016-12-07 | 浙江海普顿新材料股份有限公司 | A kind of powder body zinc-base composite thermal stabilizer and preparation method |
| CN106566123A (en) * | 2016-10-28 | 2017-04-19 | 祖兴保 | Environmentally-friendly zinc stearate composite stabilizer for PVC, and preparation method thereof |
| CN107418227A (en) * | 2017-07-31 | 2017-12-01 | 郑州庆宏塑胶科技有限公司 | Zeolite type calcium-zinc composite stabilizing agent and preparation method thereof |
| WO2020024308A1 (en) * | 2018-07-30 | 2020-02-06 | 深圳市志海实业股份有限公司 | Rare earth compound thermal stabilizer for pvc and preparation method therefor |
| CN113372775A (en) * | 2021-06-28 | 2021-09-10 | 哈尔滨市雪鹰工程材料有限公司 | High-cold-resistant anticorrosive paint |
| CN113773552A (en) * | 2021-09-27 | 2021-12-10 | 山东慧科助剂股份有限公司 | Dihydropyridine PVC composite heat stabilizer and preparation method thereof |
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