CN104650504A - Novel method for preparing PVC thermal stabilizer - Google Patents
Novel method for preparing PVC thermal stabilizer Download PDFInfo
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- CN104650504A CN104650504A CN201510104215.2A CN201510104215A CN104650504A CN 104650504 A CN104650504 A CN 104650504A CN 201510104215 A CN201510104215 A CN 201510104215A CN 104650504 A CN104650504 A CN 104650504A
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- pvc
- thermal stabilizer
- novel method
- stabilizer
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/092—Polycarboxylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a novel method for preparing a PVC thermal stabilizer. The novel method comprises the following steps: dissolving terephthalic acid by using a sodium hydroxide solution, thereby obtaining a clear liquid; adding aluminum oxide granules into the liquid, and slowly adding a soluble aluminum salt; filtering white precipitate in the solution, and drying at 200 DEG C, thereby obtaining the PVC thermal stabilizer. By adopting the novel method, the defects that a conventional thermal stabilizer is toxic, poor in coloring property, relatively short in thermal stability time, expensive, stinky and the like can be avoided, and due to addition of PVC, the dielectric consumption of the PVC thermal stabilizer is effectively reduced, and the PVC thermal stabilizer is good in compatibility with PVC and easy to disperse.
Description
Technical field
The present invention relates to a kind of preparation method of novel PVC thermo-stabilizer.
Background technology
In in the past 30 years, polymer outdoor insulative material component instead of the application of pottery, as cable terminal end, and thunder arrester, insulator etc., and the also a kind of important development trend becoming insulating material slowly.Insulating polymeric material is more and more universal is have outstanding resistance to soiling, resistance to embrittlement and lightweight feature because it compares with ceramic phase.
When selecting macromolecular material to make electric works material, dielectric loss must be considered.If select polymkeric substance to make electrical insulating material, cable sheathing, sheath or capacitor dielectric material, wish that dielectric loss is the smaller the better.Otherwise, not only consume more electric energy, material itself also can be caused to generate heat, accelerated material aging damage, accidents caused.In other occasions, need to utilize dielectric loss carry out polymkeric substance radio-frequency drying, plastics film hight frequency welding or the high frequency heat process of large polymer product time, then require that material has larger dielectric loss.
Non-polar polymer has low-k (ε is about 2) and low-dielectric loss (being less than 10^-4); Polar polymer has higher specific inductivity and dielectric loss.Polyvinyl chloride (PVC), as a kind of polar polymer, therefore, also has higher dielectric loss.And existing defects in polyvinyl chloride molecular structure, its flow temperature is about 136 DEG C, decomposition temperature is 140 DEG C, and containing double bond, branch point and initiator residue etc. in its molecular structure, carry out adding man-hour under high temperature and shear conditions, easily slough the HC1 on molecule and cause polymer degradation, color burn, mechanical property reduces, until lose use value.Therefore, thermo-stabilizer must be added when its machine-shaping.
Technology contents
The object of this invention is to provide the dielectric loss that a kind of environment-protecting asepsis, cheap, preparation technology are simple, can reduce PVC, PVC can be made again in the preparation method adding more stable a kind of novel PVC thermo-stabilizer in man-hour.Shortcomings such as this thermo-stabilizer solves that traditional thermo-stabilizer common are poison, tint permanence is poor, heat-stable time is shorter, expensive, frowziness, and adding after in PVC, effectively reduce its dielectric loss, and good with PVC consistency, easily disperse.
The invention provides a kind of preparation method of novel PVC thermo-stabilizer, comprise the steps:
Be the sodium hydroxide solution dissolving of 0.01mol/L ~ 50mol/L by terephthalic acid concentration, obtain clear liquor.In liquid, add the alumina particle of particle diameter below 10 μm, formed solid content 0.1% ~ 30% solid-liquid suspension, continuous stirred suspension under rotating speed is 800 revs/min, slowly adds aluminum soluble salt afterwards.White precipitate in solution is filtered, and dries at 200 DEG C and obtain the present invention.
Described naoh concentration is preferably 0.1mol/L ~ 15mol/L.
Described solid-liquid suspension fluid solid content is preferably 1% ~ 15%.
Technique effect of the present invention is that gained thermo-stabilizer thermal stability of the present invention is excellent, and under 180 ± 1 DEG C of environment, the PVC heat steady time is more than 60min.And good with PVC intermiscibility, have good processing characteristics, in PVC product, dispersing property is good; Meanwhile, thermo-stabilizer of the present invention, after adding PVC, can effectively reduce its dielectric loss.In addition, due to price inexpensively, significantly can reduce costs, improve the quality of products and economic benefit.The present invention is nontoxic, efficient, low cost, non-heavy metal type product, is the thermo-stabilizer of PVC product middle ideal.
Specific embodiment
Embodiment 1: the sodium hydroxide solution dissolving by terephthalic acid concentration being 0.1mol/L, obtains clear liquor.In liquid, add the alumina particle of particle diameter below 10 μm, formed solid content 1% solid-liquid suspension, continuous stirred suspension under rotating speed is 800 revs/min, slowly adds aluminum soluble salt afterwards.White precipitate in solution is filtered, and dries and obtain the present invention 1 at 200 DEG C.
Embodiment 2: the sodium hydroxide solution dissolving by terephthalic acid concentration being 15mol/L, obtains clear liquor.In liquid, add the alumina particle of particle diameter below 10 μm, formed solid content 15% solid-liquid suspension, continuous stirred suspension under rotating speed is 800 revs/min, slowly adds aluminum soluble salt afterwards.White precipitate in solution is filtered, and dries and obtain the present invention 2 at 200 DEG C.
Embodiment 3: the sodium hydroxide solution dissolving by terephthalic acid concentration being 0.01mol, obtains clear liquor.In liquid, add the alumina particle of particle diameter below 10 μm, formed solid content 0.1% solid-liquid suspension, continuous stirred suspension under rotating speed is 800 revs/min, slowly adds aluminum soluble salt afterwards.White precipitate in solution is filtered, and dries and obtain the present invention 3 at 200 DEG C.
Embodiment 4: the sodium hydroxide solution dissolving by terephthalic acid concentration being 50mol/L, obtains clear liquor.In liquid, add the alumina particle of particle diameter below 10 μm, formed solid content 30% solid-liquid suspension, continuous stirred suspension under rotating speed is 800 revs/min, slowly adds aluminum soluble salt afterwards.White precipitate in solution is filtered, and dries and obtain the present invention 4 at 200 DEG C.
Embodiment 5: the sodium hydroxide solution dissolving by terephthalic acid concentration being 8mol/L, obtains clear liquor.In liquid, add the alumina particle of particle diameter below 10 μm, formed solid content 5% solid-liquid suspension, continuous stirred suspension under rotating speed is 800 revs/min, slowly adds aluminum soluble salt afterwards.White precipitate in solution is filtered, and dries and obtain the present invention 5 at 200 DEG C.
Embodiment 6: the sodium hydroxide solution dissolving by terephthalic acid concentration being 0.01mol/L ~ 50mol/L, obtains clear liquor.Continuous stirred suspension under rotating speed is 800 revs/min, slowly adds aluminum soluble salt afterwards.White precipitate in solution is filtered, and dries and obtain the present invention 6 at 200 DEG C.
Embodiment 7: by the stablizer of embodiment 1-6 gained (experiment 1-6), traditional stablizer organotin (experiment 7), blended with polyvinylchloride, make plastic tab, carry out correlation detection.The national standard of each measured performance parameter method institute foundation is specific as follows: absolute viscosity is pressed GB/T 12004.4-2003 and measured, and dielectric loss is pressed GB/T 1693-2007 and measured.The test of heat-stable time is that baking oven thin slice being put into 180 ± 1 DEG C carries out static heat senile experiment, thin slice is occurred the time of stain is decided to be the heat steady time, detects data as following table 1:
Table 1
As can be seen from Table 1, add gained thermo-stabilizer of the present invention, heat-stable time is long, compare favourably, and its absolute viscosity is low in current expensive organotin, is easy to processing.In addition, its tangent of the dielectric loss angle value is little, and dielectric loss has reduction.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on specification sheets, must determine its technical scope according to right.
Claims (3)
1. a preparation method for novel PVC thermo-stabilizer, comprises the steps:
Be the sodium hydroxide solution dissolving of 0.01 mol/L ~ 50mol/L by terephthalic acid concentration, obtain clear liquor;
In liquid, add the alumina particle of particle diameter below 10 μm, formed solid content 0.1% ~ 30% solid-liquid suspension, continuous stirred suspension under rotating speed is 800 revs/min, slowly adds aluminum soluble salt afterwards;
White precipitate in solution is filtered, and dries at 200 DEG C and obtain the present invention.
2. the preparation method of a kind of novel PVC thermo-stabilizer according to claim 1, is characterized in that described naoh concentration is preferably 0.1 mol/L ~ 15mol/L.
3. the preparation method of a kind of novel PVC thermo-stabilizer according to claim 1, is characterized in that described solid-liquid suspension fluid solid content is preferably 1% ~ 15%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510104215.2A CN104650504A (en) | 2015-03-10 | 2015-03-10 | Novel method for preparing PVC thermal stabilizer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510104215.2A CN104650504A (en) | 2015-03-10 | 2015-03-10 | Novel method for preparing PVC thermal stabilizer |
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| CN201510104215.2A Pending CN104650504A (en) | 2015-03-10 | 2015-03-10 | Novel method for preparing PVC thermal stabilizer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105585798A (en) * | 2016-02-22 | 2016-05-18 | 江苏爱特恩东台新材料科技有限公司 | Specific environment-friendly heat stabilizer prepared from waste polyester for PVC cables and preparation method thereof |
| CN106380729A (en) * | 2016-08-30 | 2017-02-08 | 邵卫东 | Novel PVC heat stablizer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103173845A (en) * | 2012-01-12 | 2013-06-26 | 江苏爱特恩高分子材料有限公司 | Production method and application of terephthalic metal slat whisker |
| 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 |
| CN104119220A (en) * | 2013-04-23 | 2014-10-29 | 陈祥迎 | Aluminium terephthalate PVC heat stabilizer and preparation method thereof |
-
2015
- 2015-03-10 CN CN201510104215.2A patent/CN104650504A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103173845A (en) * | 2012-01-12 | 2013-06-26 | 江苏爱特恩高分子材料有限公司 | Production method and application of terephthalic metal slat whisker |
| CN104119220A (en) * | 2013-04-23 | 2014-10-29 | 陈祥迎 | Aluminium terephthalate PVC heat stabilizer and preparation method thereof |
| 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105585798A (en) * | 2016-02-22 | 2016-05-18 | 江苏爱特恩东台新材料科技有限公司 | Specific environment-friendly heat stabilizer prepared from waste polyester for PVC cables and preparation method thereof |
| CN105585798B (en) * | 2016-02-22 | 2017-07-07 | 盐城科迈特新材料有限公司 | PVC cable special environment protection heat stabilizer prepared by Waste Polyester and preparation method thereof |
| CN106380729A (en) * | 2016-08-30 | 2017-02-08 | 邵卫东 | Novel PVC heat stablizer |
| CN106380729B (en) * | 2016-08-30 | 2019-01-29 | 邵卫东 | Novel PVC heat stabilizer |
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Effective date of registration: 20160512 Address after: 213164 Jiangsu province Changzhou city Wujin District, Dong Po No. 10 Applicant after: Changzhou Wuyang Auxiliary Co., Ltd Address before: 213164 B, building 3, building No. 801, middle Wu Road, Wujin District, Jiangsu, Changzhou, China 10F Applicant before: Changzhou Bo Yang novel material Science and Technology Ltd. |
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Address after: 213164 Jiangsu province Changzhou city Wujin District, Dong Po No. 10 Applicant after: Changzhou Wuzhou Environmental Protection Technology Co., Ltd. Address before: 213164 Jiangsu province Changzhou city Wujin District, Dong Po No. 10 Applicant before: Changzhou Wuyang Auxiliary Co., Ltd |
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Application publication date: 20150527 |