CN103435845A - Auxiliary heat stabilizer of organic tin - Google Patents
Auxiliary heat stabilizer of organic tin Download PDFInfo
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- CN103435845A CN103435845A CN2013103856103A CN201310385610A CN103435845A CN 103435845 A CN103435845 A CN 103435845A CN 2013103856103 A CN2013103856103 A CN 2013103856103A CN 201310385610 A CN201310385610 A CN 201310385610A CN 103435845 A CN103435845 A CN 103435845A
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- stablizer
- auxiliary heat
- heat stabilizer
- organotin
- mercaptan
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Abstract
The invention discloses an auxiliary heat stabilizer of organic tin. The auxiliary heat stabilizer is characterized in that mercaptan reacts with sulphur with organic amine as a catalyst, so as to generate disulfide and a byproduct hydrogen sulfide; the disulfide is taken to be compounded with a universal PVC (polyvinyl chloride) stabilizer, so as to obtain the stabilizer. The stabilizer disclosed by the invention is stable in structure, simple in process, convenient to operate, synergistic in effect and significant in effect.
Description
Technical field
The present invention relates to stablizer, be specifically related to the organotin auxiliary heat stabilizer.
Background technology
Polyvinyl chloride (PVC) resin as its consumption of world's second largest synthetic resins in recent years also at the speed rapid growth with annual 4%, and the structures shape of PVC self its thermal destruction and easy aging characteristics, its processing temperature (180 ℃) is far above its decomposition temperature (120-130 ℃) simultaneously, this just determines must add thermo-stabilizer in the machine-shaping process of PVC goods, stablizer is as the limitation due to aspects such as its performance and prices such as lead, tin, and the restriction of market and economic benefits is become clear day by day.In order to meet society, market and economic requirement, the development of stablizer must be towards nontoxic, efficient future development.
In PVC processing thermal stabilizer component, the sulphur content height has determined that whole product stability can be fine or not to a great extent, and it is high to reaction and processing requirement directly to introduce active sulphur in main stabilizer, existing method is to add the auxiliary stabilizer that contains active sulphur, and the auxiliary stabilizer that can use as the active sulphur component at present is less.
At present, the stabilization that PVC thermo-stabilizer industry plays the component of adding sulfur-bearing is reached common understanding already, just adding the sulphur of which kind of structure and how preparing the sulphur that this synergy is good is the direction that everybody makes great efforts always, and almost there is no ripe product on market.
Summary of the invention
The object of the invention is to: a kind of organotin auxiliary heat stabilizer is provided, Stability Analysis of Structures, technique is easy to control, can either promote as auxiliary stabilizer the active sulphur content of whole stabilizer component, also can guarantee the effect of other parts of component, while synergistic effect together is also very good.
Technical solution of the present invention is: it is that mercaptan be take organic amine as catalyzer is reacted with sulphur, generates double thioether and by product hydrogen sulfide; Get double thioether and general PVC stablizer and carry out compositely, obtain stablizer.
Wherein, mercaptan is sulfur alcohol, lauryl mercaptan or mercaptoethanol.
Wherein, organic amine is methane amide or isobutyramide.
Wherein, reaction formula is as follows:
2R-SH+2S---organic amine----R-S-S-S-R+H
2s,
The general PVC stablizer of R-S-S-S-R+----stablizer,
R is organic mercaptan.
Wherein, concrete reactions steps is as follows: in the environment that the mercaptan of getting 1 mole is catalyzer at organic amine, with the sulphur of 1 mole, at 60-100 ℃, react, until H
2the S gaseous emission is complete, filters and takes out double thioether; This double thioether mixes according to different proportionings as required from general PVC stablizer, obtains the finished product stablizer.
The contrast of the present invention and prior art: Stability Analysis of Structures, technique is simple, easy to operate, synergy, effect is remarkable.
The accompanying drawing explanation
Fig. 1 is the photo comparison diagram of stablizer for PVC processing.
Fig. 2 is the graphic representation of stablizer for PVC processing.
Embodiment
Further illustrate technical solution of the present invention below in conjunction with specific embodiment, these embodiment can not be interpreted as it is the restriction to technical scheme.
Embodiment 1: in the environment that the sulfur alcohol of getting 1 mole is catalyzer at methane amide, with the sulphur of 1 mole, at 60 ℃, react, until H
2the S gaseous emission is complete, filters and takes out double thioether; This double thioether is regulated as required tin content with general organotin stabilizer T181 and is mixed, and obtains the finished product stablizer.
Embodiment 2: in the environment that the lauryl mercaptan of getting 1 mole is catalyzer at methane amide, with the sulphur of 1 mole, at 80 ℃, react, until H
2the S gaseous emission is complete, filters and takes out double thioether; This double thioether is regulated as required tin content with general organotin stabilizer T181 and is mixed, and obtains the finished product stablizer.
Embodiment 3: in the environment that the mercaptoethanol of getting 1 mole is catalyzer at isobutyramide, with the sulphur of 1 mole, at 100 ℃, react, until H
2the S gaseous emission is complete, filters and takes out double thioether; This double thioether is regulated as required tin content with general organotin T181 and is mixed, and obtains the finished product stablizer.
The stablizer of embodiment 1-2 gained is for PVC processing, and the photo of PVC goods as shown in Figure 1, 2.
Claims (5)
1. organotin auxiliary heat stabilizer is characterized in that: it is that mercaptan be take organic amine as catalyzer is reacted with sulphur, generates double thioether and by product hydrogen sulfide; Get double thioether and general PVC stablizer and carry out compositely, obtain stablizer.
2. organotin auxiliary heat stabilizer according to claim 1, it is characterized in that: mercaptan is sulfur alcohol, lauryl mercaptan or mercaptoethanol.
3. organotin auxiliary heat stabilizer according to claim 1, it is characterized in that: organic amine is methane amide or isobutyramide.
4. organotin auxiliary heat stabilizer according to claim 1, it is characterized in that: reaction formula is as follows:
2R-SH+2S---organic amine----R-S-S-S-R+H
2s,
The general PVC stablizer of R-S-S-S-R+----stablizer
R is organic mercaptan.
5. organotin auxiliary heat stabilizer according to claim 1, is characterized in that: in the environment that the mercaptan of getting 1 mole is catalyzer at organic amine, with the sulphur of 1 mole, at 60-100 ℃, react, until H
2the S gaseous emission is complete, filters and takes out double thioether; This double thioether mixes according to different proportionings as required from general PVC stablizer, obtains the product stablizer.
Priority Applications (1)
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| CN201310385610.3A CN103435845B (en) | 2013-08-30 | 2013-08-30 | Auxiliary heat stabilizer of organic tin |
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| CN201310385610.3A CN103435845B (en) | 2013-08-30 | 2013-08-30 | Auxiliary heat stabilizer of organic tin |
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| CN103435845A true CN103435845A (en) | 2013-12-11 |
| CN103435845B CN103435845B (en) | 2014-08-27 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105001555A (en) * | 2015-07-22 | 2015-10-28 | 大禹节水（天津）有限公司 | High impact resistance and aging resistance PVC-M pipe |
| CN106633183A (en) * | 2016-10-17 | 2017-05-10 | 美轲（淮安）化学有限公司 | Multi-thioether PVC (polyvinyl chloride) co-stabilizer, method for preparing same and application of multi-thioether PVC co-stabilizer |
| CN112174810A (en) * | 2020-09-15 | 2021-01-05 | 山东省高密市友和助剂有限公司 | Preparation method of modified zinc stearate |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6559214B1 (en) * | 1995-05-10 | 2003-05-06 | Tod C. Duvall | Latent mercaptans as multi-functional additives for halogen-containing polymer compositions |
| CN101747568A (en) * | 2008-12-16 | 2010-06-23 | 金发科技股份有限公司 | PVC/ABS alloy material and preparation method thereof |
-
2013
- 2013-08-30 CN CN201310385610.3A patent/CN103435845B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6559214B1 (en) * | 1995-05-10 | 2003-05-06 | Tod C. Duvall | Latent mercaptans as multi-functional additives for halogen-containing polymer compositions |
| CN101747568A (en) * | 2008-12-16 | 2010-06-23 | 金发科技股份有限公司 | PVC/ABS alloy material and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105001555A (en) * | 2015-07-22 | 2015-10-28 | 大禹节水（天津）有限公司 | High impact resistance and aging resistance PVC-M pipe |
| CN106633183A (en) * | 2016-10-17 | 2017-05-10 | 美轲（淮安）化学有限公司 | Multi-thioether PVC (polyvinyl chloride) co-stabilizer, method for preparing same and application of multi-thioether PVC co-stabilizer |
| WO2018072262A1 (en) * | 2016-10-17 | 2018-04-26 | 美轲（淮安）化学有限公司 | Polythioether pvc co-stabiliser and preparation method and application thereof |
| CN106633183B (en) * | 2016-10-17 | 2018-10-02 | 美轲（淮安）化学有限公司 | Polythiaether PVC co-stabilizers and the preparation method and application thereof |
| CN112174810A (en) * | 2020-09-15 | 2021-01-05 | 山东省高密市友和助剂有限公司 | Preparation method of modified zinc stearate |
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| CN103435845B (en) | 2014-08-27 |
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Owner name: YU YUEHUA Free format text: FORMER OWNER: HUAI AN FEIXIANG LIQUID CRYSTAL MATERIALS CO., LTD. Effective date: 20140721 Owner name: WANG QICHENG Effective date: 20140721 |
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Inventor after: Wang Qicheng Inventor after: Zhang Weixue Inventor after: Yu Yuehua Inventor before: Yu Yuehua Inventor before: Zhang Weixue |
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Free format text: CORRECT: ADDRESS; FROM: 223100 HUAIAN, JIANGSU PROVINCE TO: 223005 HUAIAN, JIANGSU PROVINCE Free format text: CORRECT: INVENTOR; FROM: YU YUEHUA ZHANG WEIXUE TO: WANG QICHENG ZHANG WEIXUE YU YUEHUA |
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Effective date of registration: 20140721 Address after: 223005 Huaian economic and Technological Development Zone, Jiangsu, No. 9 Haikou Road Applicant after: Yu Yuehua Applicant after: Wang Qicheng Address before: 223100, Hongze District, Jiangsu County, Huaian province Huaian salt chemical industry zone (east area) Hongze area Applicant before: Huai'an Feixiang Liquid Crystal Materials Co., Ltd. |
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