CN105647016A - Preparation method of polypropylene organic composite nucleating agent - Google Patents
Preparation method of polypropylene organic composite nucleating agent Download PDFInfo
- Publication number
- CN105647016A CN105647016A CN201610189465.5A CN201610189465A CN105647016A CN 105647016 A CN105647016 A CN 105647016A CN 201610189465 A CN201610189465 A CN 201610189465A CN 105647016 A CN105647016 A CN 105647016A
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- Prior art keywords
- sorbitol
- nucleator
- nucleating agent
- preparation
- polypropylene
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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
- C08K5/05—Alcohols; Metal alcoholates
- C08K5/053—Polyhydroxylic alcohols
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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
- C08K5/15—Heterocyclic compounds having oxygen in the ring
- C08K5/156—Heterocyclic compounds having oxygen in the ring having two oxygen atoms in the ring
- C08K5/1575—Six-membered rings
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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
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/24—Crystallisation aids
Abstract
The invention discloses a preparation method of a polypropylene organic composite nucleating agent. The nucleating agent comprises a sorbitol nucleating agent and 1,3,5-benzenetricarboxylic acid tris(cyclohexylamine) (BTCA-TCHA), according to a ratio of 7:3-3:7. Through nucleating action of the sorbitol nucleating agent with the 1,3,5-benzenetricarboxylic acid tris(cyclohexylamine), the crystallization property and mechanical properties of polypropylene and transparency of polypropylene are greatly improved; with synergy of the sorbitol nucleating agent and the 1,3,5-benzenetricarboxylic acid tris(cyclohexylamine), effective usage of two nucleating agents is reduced. The two nucleating agents are proportionally dissolved in N,N-dimethylformamide and mixed at high speed uniformly for 3-5 min to obtain the target organic composite nucleating agent. The preparation method is simple and useful in industrial production.
Description
Technical field
The preparation method that the present invention relates to a kind of polypropylene nucleater, the preparation method being specifically related to a kind of organic composite nucleator, belong to field of compound material.
Background technology
Polypropylene, as kind with fastest developing speed in five big general-purpose plastics, has the advantages such as abundant raw material source, price is relatively low, easily processed into type, properties of product are excellent, so having purposes widely. But polypropylene there is also some shortcomings part (impact resistance is poor, high temperature rigid is not enough, the transparency is poor), in order to expand polyacrylic application, extends its service life, is necessary for polypropylene is modified.
Existing that polypropylene modification effect is most preferably nucleater modified, add nucleator and can change polyacrylic crystallization property, thus affecting its physical and mechanical properties. Dibenzyl sorbitol class nucleator is current most widely used nucleator, wherein 1,3:2,4-dibenzyl sorbitol (DBS), 1,3:2,4-bis-(to methylbenzilidene) sorbitol (MDBS), 1,3:2,4-bis-(3,4-dimethyl benzylidene) sorbitol (DMDBS) respectively first, second and third generation Sorbitol Nucleator, this kind of nucleator nucleating effect is good, polypropylene transparent performance improvement is particularly evident, but MDBS, DMDBS fusing point is general higher, can affect its dispersibility in polypropylene, and relatively costly.
Polypropylene thermal performance and mechanical property are had significantly improved by nucleator 1,3,5-benzenetricarboxylic acid three (cyclohexylamine), especially the improvement of rigidity are highlighted, but the improvement of polypropylene transparent is not so good as Sorbitol Nucleator. By 1,3,5-benzenetricarboxylic acid three (cyclohexylamine) and Sorbitol Nucleator are proportionally made into composite nucleating agent, that can reduce the two effectively makes consumption, cost is made to reduce, polyacrylic mechanical property and the transparency are had bigger raising, and operating procedure is simple, can be used for industrialized production.
Summary of the invention
The preparation method that the invention provides a kind of polypropylene organic composite nucleator, this nucleator is by Sorbitol Nucleator and 1,3,5-benzenetricarboxylic acid three (cyclohexylamine) (BTCA-TCHA) forms, crystalling propylene performance and mechanical property and the transparency are had very big improvement, and what decrease both nucleators effectively makes consumption.
Organic composite nucleator of the present invention is synthesized by following steps: take a kind of in Sorbitol Nucleator DBS, MDBS, DMDBS or wherein several compositionss, take 1,3,5-benzenetricarboxylic acid three (cyclohexylamine) (BTCA-TCHA), it is dissolved in into N according to the proportion of 7:3 ~ 3:7, dinethylformamide (DMF), stirs 3 ~ 5min under high velocity agitation, namely obtains target nucleation agent.Two kinds of nucleators are all dissolved in DMF, the Homogeneous phase mixing when stirring, directly apply to follow-up polyacrylic processing and forming.
Polypropylene prepared by the present invention includes following components: acrylic resin (100 parts), antioxidant 1010 and 168(0.1 part), organic nucleating agent complex (0.05 ~ 0.2 part). Concrete preparation process is as follows: by the organic nucleating agent solution of above-mentioned preparation and acrylic resin mix and blend, then dries at 50 ~ 80 DEG C, removes DMF solvent, extruding pelletization, be injection molded into standard batten.
Detailed description of the invention
Embodiment 1
A kind of in Sorbitol Nucleator DBS, MDBS, DMDBS or wherein several compositionss and 1,3,5-benzenetricarboxylic acid three (cyclohexylamine) (BTCA-TCHA) is dissolved in N with the proportion of 7:3, dinethylformamide (DMF), stir 5min under high velocity agitation, then by organic nucleating agent solution and acrylic resin mix and blend, then dry at 80 DEG C, remove DMF solvent, with acrylic resin (100 parts), antioxidant 1010 and 168(0.1 part), organic nucleating agent complex (0.05 part), extruding pelletization, injection moulding, obtain standard batten 1.
Embodiment 2
The proportion of the present embodiment Sorbitol Nucleator as different from Example 1 and BTCA-TCHA is 6:4, obtains standard batten 2, and all the other are identical with embodiment 1.
Embodiment 3
The proportion of the present embodiment Sorbitol Nucleator as different from Example 1 and BTCA-TCHA is 5:5, obtains standard batten 3, and all the other are identical with embodiment 1.
Embodiment 4
The proportion of the present embodiment Sorbitol Nucleator as different from Example 1 and BTCA-TCHA is 4:6, obtains standard batten 4, and all the other are identical with embodiment 1.
Embodiment 5
The proportion of the present embodiment Sorbitol Nucleator as different from Example 1 and BTCA-TCHA is 3:7, obtains standard batten 5, and all the other are identical with embodiment 1.
Claims (3)
1. the preparation method of a polypropylene organic composite nucleator, it is characterized in that, described composite nucleating agent is by Sorbitol Nucleator and 1,3,5-benzenetricarboxylic acid three (cyclohexylamine) (BTCA-TCHA) forms, this composite nucleating agent is synthesized by following steps: take Sorbitol Nucleator and 1,3,5-benzenetricarboxylic acid three (cyclohexylamine) (BTCA-TCHA), it is dissolved in into N according to certain weight ratio, dinethylformamide (DMF), stirs 3 ~ 5min under high velocity agitation, namely obtains target nucleation agent.
2. the preparation method of a kind of polypropylene organic composite nucleator according to claim 1, it is characterised in that the weight ratio of Sorbitol Nucleator and 1,3,5-benzenetricarboxylic acid three (cyclohexylamine) is 7:3 ~ 3:7.
3. the preparation method of a kind of polypropylene organic composite nucleator according to claim 1, it is characterized in that, Sorbitol Nucleator is 1,3:2,4-dibenzyl sorbitol (DBS), 1,3:2,4-bis-(to methylbenzilidene) sorbitol (MDBS), 1, a kind of in 3:2,4-bis-(3,4-dimethylene benzal) sorbitol (DMDBS) or wherein several compositionss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610189465.5A CN105647016B (en) | 2016-03-30 | 2016-03-30 | A kind of preparation method of polypropylene organic composite nucleator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610189465.5A CN105647016B (en) | 2016-03-30 | 2016-03-30 | A kind of preparation method of polypropylene organic composite nucleator |
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| Publication Number | Publication Date |
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| CN105647016A true CN105647016A (en) | 2016-06-08 |
| CN105647016B CN105647016B (en) | 2018-02-02 |
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| CN201610189465.5A Expired - Fee Related CN105647016B (en) | 2016-03-30 | 2016-03-30 | A kind of preparation method of polypropylene organic composite nucleator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017143937A1 (en) * | 2016-02-23 | 2017-08-31 | 呈和科技股份有限公司 | Composition for improving glossiness of polypropylene and reducing haziness of polypropylene and application thereof |
| CN109422956A (en) * | 2017-08-31 | 2019-03-05 | 上汽通用五菱汽车股份有限公司 | A method of reducing volatile organic content in polypropylene process |
| CN113121911A (en) * | 2019-12-30 | 2021-07-16 | 苏州度辰新材料有限公司 | High-transparency polypropylene composition |
-
2016
- 2016-03-30 CN CN201610189465.5A patent/CN105647016B/en not_active Expired - Fee Related
Non-Patent Citations (4)
| Title |
|---|
| YUE-FEI ZHANG ET AL: "Effects of nucleating agent 1,3,5-benzenetricarboxylic acid tris(cyclohexylamide) on properties and crystallization behaviors of isotactic polypropylene", 《COLLOID AND POLYMER SCIENCE 》 * |
| ZONGYAN GUI ET AL: "Comparison of the effects of commercial nucleation agents on the crystallization and melting behaviour of polylactide", 《POLYMER TESTING》 * |
| 张跃飞 等: "1 , 3 , 5-苯三甲酸衍生物类新型成核剂的合成及应用研究", 《中国塑料》 * |
| 张跃飞 等: "1，3，5- 苯三甲酸三( 环己胺) 在PP 中的成核效应", 《工程熟料应用》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017143937A1 (en) * | 2016-02-23 | 2017-08-31 | 呈和科技股份有限公司 | Composition for improving glossiness of polypropylene and reducing haziness of polypropylene and application thereof |
| CN109422956A (en) * | 2017-08-31 | 2019-03-05 | 上汽通用五菱汽车股份有限公司 | A method of reducing volatile organic content in polypropylene process |
| CN113121911A (en) * | 2019-12-30 | 2021-07-16 | 苏州度辰新材料有限公司 | High-transparency polypropylene composition |
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| CN105647016B (en) | 2018-02-02 |
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Granted publication date: 20180202 Termination date: 20190330 |