CN109320895A - Encapsulated material of a kind of TPE for PBT plastic and preparation method thereof - Google Patents
Encapsulated material of a kind of TPE for PBT plastic and preparation method thereof Download PDFInfo
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- CN109320895A CN109320895A CN201811106626.5A CN201811106626A CN109320895A CN 109320895 A CN109320895 A CN 109320895A CN 201811106626 A CN201811106626 A CN 201811106626A CN 109320895 A CN109320895 A CN 109320895A
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- encapsulated material
- tpe
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- pbt plastic
- pbt
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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
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
- C08L53/025—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes modified
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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
- C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
- C08L91/06—Waxes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
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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)
- Oil, Petroleum & Natural Gas (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of encapsulated material of the TPE for PBT plastic and preparation method thereof, including SEBS, mineral oil, kaolin, polyurethane termoplastic elastomer, benzoyl oxide, Glycerin, zinc calcium composite thermal stabilizer, E-MA-GMA, color masterbatch, antioxidant, dispersing agent;Preparation method is after in parts by weight mixing raw material, double screw extruder extruding pelletization to be used under 210~240 DEG C, vacuum condition, the encapsulated material is made.Not only any surface finish, excellent in mechanical performance, fast light heat aging performance are strong for the encapsulated material of TPE of the invention, and can effectively be coated on the surface of PBT, and adhesive fastness can reach 85N or more;Preparation method is simple simultaneously, and at low cost, safety and environmental protection is pollution-free.
Description
Technical field
The invention belongs to encapsulated material preparation field more particularly to a kind of encapsulated material of TPE for PBT plastic and its preparation sides
Method.
Background technique
Four methine ester of PBT full name polybutylene terephthalate (PBT) also known as poly terephthalic acid has excellent machinery
Performance, high mechanical strength have chemical reagent resistance outstanding, heat resistance and excellent electrical property.There is no side chain in molecule, ties
Structure is symmetrical, meets the requirement closely piled up, so that the polymer be made to have the crystallinity and high-melting-point of height, the structure of molecule is determined
PBT has good comprehensive performance.However, due to the high crystalline and high-melting-point of this material of PBT, so that thermoplastic elastic
Body (TPE) material is difficult really to be adhered on PBT.
Therefore, now needing one kind can effectively be adhered on PBT, and the encapsulated material of TPE that viscosity fastness is excellent.
Summary of the invention
Goal of the invention: the first object of the present invention, which is to provide one kind, to be effectively adhered on PBT, and viscosity fastness it is excellent,
The encapsulated material of the strong TPE of any surface finish, mechanical property;
The second object of the present invention is to provide the preparation method of the encapsulated material of the TPE.
Technical solution: the present invention is used for the encapsulated material of TPE of PBT plastic, in parts by weight includes the following raw material: SEBS 25
~40 parts, 25~45 parts of mineral oil, 8~12 parts of kaolin, 15~35 parts of polyurethane termoplastic elastomer, benzoyl oxide 33~56
Part, 8~22 parts of Glycerin, 13~19 parts of zinc calcium composite thermal stabilizer, 3~7 parts of E-MA-GMA, 1~3 part of color masterbatch, antioxygen
0.5~1.5 part of agent, 0.5~1.5 part of dispersing agent.
The present invention passes through hydrogenated styrene-butadiene block copolymer (SEBS), mineral oil, kaolin, polyurethane is warm
Thermoplastic elastic, benzoyl oxide, Glycerin, zinc calcium composite thermal stabilizer, ethylene-acrylate-Glycidyl methacrylate
Glyceride terpolymer (E-MA-GMA), antioxidant and dispersing agent are compounded, the interaction between component, so that preparation
The encapsulated material of PBT plastic not only has excellent mechanical property, any surface finish, and adhesive fastness is very excellent.Wherein, mine is added
Object oil, can interact with polyurethane termoplastic elastomer, effectively improve the adhesive fastness of TPE encapsulated material and PBT plastic;
Benzoyl oxide and Glycerin are added, is interacted with zinc calcium composite thermal stabilizer and E-MA-GMA, it can not only be effective
Enhance the adhesive fastness of TPE encapsulated material and PBT plastic, and the compatibility of system can be effectively improved, makes polyurethane thermoplastic bullet
Property physical efficiency be well dispersed among the matrix of SEBS, each component uniformly, be steadily scattered in system, effectively prevents between component
Reunite.
Furtherly, benzoyl oxide can be 40~50 parts;Glycerin can be 15~20 parts.Mineral oil preferably can be viscous
300~350mm/s, 290~310 DEG C of flash-point of paraffin base mineral oil are spent, it can at high temperature not using the base oil of the type
Small-molecule substance is generated, to influence adhesive fastness.Kaolinic mesh number is 2500~3000, further such that kaolin is more excellent
Ground is scattered in system.Antioxidant may include the four [β-(3,5- di-tert-butyl-hydroxy phenyl) that weight fraction ratio is 1~3:1
Propionic acid] pentaerythritol ester and three [2.4- di-tert-butyl-phenyl] phosphite esters, using the antioxidant of the compounding, so as to prevent from mixing
It closes object and generates degradation in extrusion process.Dispersing agent can be polyethylene, polypropylene or polystyrene.Zinc calcium composite thermal stabilizer can
For zinc calcium composite thermal stabilizer CH400, CH401 or CH402.
Method of the present invention preparation for the encapsulated material of TPE of PBT plastic, includes the following steps: raw material in parts by weight
After mixing, double screw extruder extruding pelletization is used under 210~240 DEG C, vacuum condition, the encapsulated material is made.
Furtherly, the vacuum degree under vacuum condition can be -0.02~-0.08Mpa.
The utility model has the advantages that compared with prior art, remarkable advantage of the invention are as follows: the encapsulated material of the TPE not only any surface finish, power
It is strong to learn superior performance, fast light heat aging performance, and can effectively be coated on the surface of PBT, adhesive fastness can up to 85N with
On;Preparation method is simple simultaneously, and at low cost, safety and environmental protection is pollution-free.
Specific embodiment
Technical solution of the present invention is described in further detail below with reference to embodiment.
Embodiment 1
Component and its content: the raw material components in the embodiment are as shown in table 1 below.
The component and its content of 1 embodiment 1 of table
After preparation method includes the following steps: that weighing said components raw material addition high-speed mixer mixes 6min again, add to
In double screw extruder, after tie rod, pelletizing, drying are squeezed out under the conditions of 230 DEG C of extrusion temperature, vacuum degree -0.06Mpa, it is made
The encapsulated material of TPE, wherein the additional amount of raw material is controlled the 0.5~0.75 of high-speed mixer volume.
Performance detection is carried out after the encapsulated material of above-mentioned preparation is molded, the result of acquisition is as shown in table 2 below.
The packet properties of rubber of 2 embodiment 1 of table
Performance | Melt index | Hardness | Tensile strength | Elongation at break | With the adhesive fastness of PBT | Light aging |
Standard | ISO1133 | ISO 868 | ISO 37 | ISO 37 | ----- | PV 1303 |
Parameter | 45g/10min | 50A | 4.3Mpa | 550% | 87N | 4 grades |
By table 2 it is found that encapsulated material prepared by the present invention not only good fluidity, hardness are low, tensile property is superior, and with
The adhesive fastness of PBT can reach 87N.
Embodiment 2
Component and its content: the raw material components in the embodiment are as shown in table 3 below.
The component and its content of 3 embodiment 2 of table
After preparation method includes the following steps: that accurate weighing said components raw material addition high-speed mixer mixes 6min again,
It adds in double screw extruder, at 230 DEG C of extrusion temperature, vacuum degree squeezes out tie rod, pelletizing, drying under the conditions of being less than -0.06MPa
Afterwards, the encapsulated material of TPE is made, wherein the additional amount of raw material is controlled the 0.5~0.75 of high-speed mixer volume.
Performance detection is carried out after the encapsulated material of above-mentioned preparation is molded, the result of acquisition is as shown in table 4 below.
The packet properties of rubber of 4 embodiment 2 of table
Performance | Melt index | Hardness | Tensile strength | Elongation at break | With the adhesive fastness of PBT | Light aging |
Standard | ISO1133 | ISO 868 | ISO 37 | ISO 37 | ----- | PV 1303 |
Parameter | 50g/10min | 35A | 2.1Mpa | 550% | 85N | 4 grades |
By table 4 it is found that encapsulated material prepared by the present invention not only good fluidity, hardness are low, tensile property is superior, and with
The adhesive fastness of PBT can reach 85N.
Embodiment 3
Component and its content: the raw material components in the embodiment are as shown in table 5 below.
The component and its content of 5 embodiment 3 of table
After preparation method includes the following steps: that accurate weighing said components raw material addition high-speed mixer mixes 6min again,
It adds in double screw extruder, at 210 DEG C of extrusion temperature, vacuum degree squeezes out tie rod, pelletizing, drying under the conditions of being less than -0.02MPa
Afterwards, the encapsulated material of TPE is made, wherein the additional amount of raw material controls between the 0.5~0.75 of high-speed mixer volume.
The encapsulated material of above-mentioned preparation is subjected to performance detection, the result of acquisition is as shown in table 6 below.
The packet properties of rubber of 6 embodiment 3 of table
Performance | Melt index | Hardness | Tensile strength | Elongation at break | With the adhesive fastness of PBT | Light aging |
Standard | ISO1133 | ISO868 | ISO 37 | ISO 37 | ----- | PV 1303 |
Parameter | 2g/10min | 80A | 11Mpa | 650% | 83N | 4 grades |
By table 6 it is found that encapsulated material prepared by the present invention not only good fluidity, hardness are low, tensile property is superior, and with
The adhesive fastness of PBT can reach 83N.
Embodiment 4
Component and its content: the raw material components in the embodiment are as shown in table 7 below.
The component and its content of 7 embodiment 4 of table
After preparation method includes the following steps: that accurate weighing said components raw material addition high-speed mixer mixes 6min again,
It adds in double screw extruder, at 240 DEG C of extrusion temperature, vacuum degree squeezes out tie rod, pelletizing, drying under the conditions of being less than ﹣ 0.08MPa
Afterwards, the encapsulated material of TPE is made, wherein the additional amount of raw material controls between the 0.5~0.75 of high-speed mixer volume.
The encapsulated material of above-mentioned preparation is subjected to performance detection, the result of acquisition is as shown in table 8 below.
The packet properties of rubber of 8 embodiment 4 of table
Performance | Melt index | Hardness | Tensile strength | Elongation at break | With the adhesive fastness of PBT | Light aging |
Standard | ISO1133 | ISO868 | ISO 37 | ISO 37 | ----- | PV 1303 |
Parameter | 4g/10min | 85A | 13Mpa | 350% | 80N | 4 grades |
By table 8 it is found that encapsulated material prepared by the present invention not only good fluidity, hardness are low, tensile property is superior, and with
The adhesive fastness of PBT can reach 80N.
Comparative example 1
Basic step is same as Example 1, the difference is that not adding mineral oil in raw material.Concrete component content is as follows
Shown in table 9.
The component and its content of 9 comparative example 1 of table
Encapsulated material prepared by the comparative example carries out performance detection, and the result of acquisition is as shown in the following table 10.
The packet properties of rubber of 10 comparative example 1 of table
Performance | Melt index | Hardness | Tensile strength | Elongation at break | With the adhesive fastness of PBT | Light aging |
Parameter | ISO1133 | ISO868 | ISO 37 | ISO 37 | ----- | PV 1303 |
Parameter | 0.1 | 90 | 8.5 | 310 | 21 | 4 grades |
In conjunction with table 2 and table 10 it is found that the overall performance of its encapsulated material prepared is poor when not adding mineral oil in raw material,
It is especially smaller with the adhesive fastness of PBT.It follows that addition mineral oil, it can be with polyurethane termoplastic elastomer phase interaction
With effectively improving the adhesive fastness of TPE encapsulated material and PBT plastic.
Comparative example 2
Basic step is same as Example 1, the difference is that not adding E-MA-GMA in raw material.Concrete component content is such as
Shown in the following table 11.
The component and its content of 11 comparative example 2 of table
Encapsulated material prepared by the comparative example carries out performance detection, and the result of acquisition is as shown in table 12 below.
The packet properties of rubber of 12 comparative example 2 of table
Performance | Melt index | Hardness | Tensile strength | Elongation at break | With the adhesive fastness of PBT | Light aging |
Parameter | ISO1133 | ISO868 | ISO 37 | ISO 37 | ----- | PV 1303 |
Parameter | 8g/10min | 53A | 4.1Mpa | 250% | 26N | 3.5 grade |
In conjunction with table 2 and table 12 it is found that when not adding E-MA-GMA in raw material its prepare encapsulated material overall performance compared with
Difference is especially smaller with the adhesive fastness of PBT.It follows that addition E-MA-GMA, can with benzoyl oxide, Glycerin,
Zinc calcium composite thermal stabilizer synergistic effect, can not only effectively enhance the adhesive fastness of TPE encapsulated material and PBT plastic, and can
The compatibility of system is effectively improved, so that each component uniformly, is steadily scattered in system, effectively prevents reuniting between component,
And then improve the comprehensive performance of encapsulated material.
Comparative example 3
Basic step is same as Example 1, the difference is that benzoyl oxide is not added in raw material, 13 institute of table specific as follows
Show.
The component and its content of 13 comparative example 3 of table
The preparation method is the same as that of Example 1.The encapsulated material of above-mentioned preparation is subjected to performance detection, the result of acquisition such as the following table 14 institute
Show.
The packet properties of rubber of 14 comparative example 3 of table
Performance | Melt index | Hardness | Tensile strength | Elongation at break | With adhesive fastness | Light aging |
Standard | ISO1133 | ISO868 | ISO 37 | ISO 37 | ----- | PV 1303 |
Parameter | 35 | 40 | 1.3 | 680 | 25 | 4 grades |
In conjunction with table 2 and table 14 it is found that when not adding benzoyl oxide in raw material its prepare encapsulated material overall performance compared with
Difference, it is especially smaller with the adhesive fastness of PBT, it follows that addition benzoyl oxide, can with E-MA-GMA, Glycerin,
Zinc calcium composite thermal stabilizer synergistic effect, can not only effectively enhance the adhesive fastness of TPE encapsulated material and PBT plastic, and can
The compatibility of system is effectively improved, so that each component uniformly, is steadily scattered in system, effectively prevents reuniting between component,
And then improve the comprehensive performance of encapsulated material;Meanwhile addition benzoyl oxide can effectively improve the stably dispersing performance of system.
The raw material that the present invention uses is purchased from commercially available.Wherein, the molecular weight of SEBS can be 30~330,000, and butadiene is embedding
Content can be -25~35%.Mineral oil is 300~350mm/s of viscosity, 290~310 DEG C of flash-point of paraffin base mineral oil.Kaolinite
The mesh number of soil is 2500~3000 mesh.
Claims (10)
1. a kind of encapsulated material of TPE for PBT plastic, it is characterised in that in parts by weight include the following raw material: SEBS 25~40
Part, 25~45 parts of mineral oil, 8~12 parts of kaolin, 15~35 parts of polyurethane termoplastic elastomer, 33~50 parts of benzoyl oxide,
8~20 parts of Glycerin, 13~19 parts of zinc calcium composite thermal stabilizer, 3~7 parts of E-MA-GMA, 1~3 part of color masterbatch, antioxidant
0.5~1.5 part, 0.5~1.5 part of dispersing agent.
2. the encapsulated material of the TPE according to claim 1 for PBT plastic, it is characterised in that: the benzoyl oxide 40~50
Part.
3. the encapsulated material of the TPE according to claim 1 for PBT plastic, it is characterised in that: the Glycerin 15~
20 parts.
4. the encapsulated material of the TPE according to claim 1 for PBT plastic, it is characterised in that: the mineral oil is viscosity
300~350mm/s, 290~310 DEG C of flash-point of paraffin base mineral oil.
5. the encapsulated material of the TPE according to claim 1 for PBT plastic, it is characterised in that: the kaolinic mesh number is
2500~3000.
6. the encapsulated material of the TPE according to claim 1 for PBT plastic, it is characterised in that: the antioxidant includes weight
Portion rate is four [β-(3, the 5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters and three [the tertiary fourths of 2.4- bis- of 1~3:1
Base phenyl] phosphite ester.
7. the encapsulated material of the TPE according to claim 1 for PBT plastic, it is characterised in that: the dispersing agent is poly- second
Alkene, polypropylene or polystyrene.
8. the encapsulated material of the TPE according to claim 1 for PBT plastic, it is characterised in that: the compound thermostabilization of zinc calcium
Agent is zinc calcium composite thermal stabilizer CH400, CH401 or CH402.
9. a kind of method for preparing the encapsulated material of the TPE for PBT plastic described in claim 1, it is characterised in that including as follows
Step: after in parts by weight mixing raw material, double screw extruder extruding pelletization, system are used under 210~240 DEG C, vacuum condition
Obtain the encapsulated material.
10. preparing the method for the encapsulated material of TPE according to claim 9, it is characterised in that: the vacuum degree under the vacuum condition
For -0.02~-0.08Mpa.
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CN201811106626.5A CN109320895A (en) | 2018-09-21 | 2018-09-21 | Encapsulated material of a kind of TPE for PBT plastic and preparation method thereof |
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CN201811106626.5A CN109320895A (en) | 2018-09-21 | 2018-09-21 | Encapsulated material of a kind of TPE for PBT plastic and preparation method thereof |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101983990A (en) * | 2010-03-29 | 2011-03-09 | 金发科技股份有限公司 | Thermoplastic elastomer and preparation method thereof |
CN108165026A (en) * | 2017-12-28 | 2018-06-15 | 聚威工程塑料(上海)有限公司 | Encapsulated composite thermoplastic elastic material is bonded for PC/PBT alloys |
-
2018
- 2018-09-21 CN CN201811106626.5A patent/CN109320895A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101983990A (en) * | 2010-03-29 | 2011-03-09 | 金发科技股份有限公司 | Thermoplastic elastomer and preparation method thereof |
CN108165026A (en) * | 2017-12-28 | 2018-06-15 | 聚威工程塑料(上海)有限公司 | Encapsulated composite thermoplastic elastic material is bonded for PC/PBT alloys |
Non-Patent Citations (1)
Title |
---|
吴培熙等编: "《聚合物共混改性(第三版)》", 31 August 2017, 中国轻工业出版社 * |
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Application publication date: 20190212 |