CN113278282A - Thermoplastic elastomer material for encapsulating nylon and preparation method thereof - Google Patents
Thermoplastic elastomer material for encapsulating nylon and preparation method thereof Download PDFInfo
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- CN113278282A CN113278282A CN202110722103.9A CN202110722103A CN113278282A CN 113278282 A CN113278282 A CN 113278282A CN 202110722103 A CN202110722103 A CN 202110722103A CN 113278282 A CN113278282 A CN 113278282A
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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
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
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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
- C08L45/00—Compositions of homopolymers or copolymers of compounds having no unsaturated aliphatic radicals in side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic or in a heterocyclic ring system; Compositions of derivatives of such polymers
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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
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
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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
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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
- C08L2205/03—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
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
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- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
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Abstract
The invention provides a thermoplastic elastomer material for encapsulating nylon, which comprises the following components in percentage by weight: 5 to 20 weight percent of engineering plastic, 5 to 15 weight percent of styrene elastomer, 5 to 15 weight percent of white oil, 5 to 30 weight percent of inorganic filler, 5 to 10 weight percent of tackifying resin, 0.1 to 10 weight percent of compatilizer, 0.1 to 3 weight percent of lubricant and 0.1 to 1 weight percent of antioxidant. The thermoplastic elastomer material for the rubber-coated nylon provided by the invention has the advantages of good rebound resilience, high strength and high temperature resistance, solves the bonding problem among the thermoplastic elastomer, the nylon and the nylon modified plastic, realizes the true bonding effect of mutual permeation, is simple and easy to prepare, is environment-friendly, and can be recycled and injected repeatedly.
Description
Technical Field
The invention relates to a thermoplastic elastomer material for encapsulating nylon, in particular to a thermoplastic elastomer material for encapsulating nylon and a preparation method thereof, belonging to the technical field of materials.
Background
The nylon has the advantages of excellent self-lubricating property, wear resistance, chemical resistance, gas permeability, oil resistance, no toxicity, easy coloring and the like, and has wide industrial application, so the demand on the nylon is greater, and simultaneously, new varieties of modified nylon are promoted to be continuously increased and rapidly developed. In the prior art, a thermoplastic elastomer is one of common materials for nylon adhesive encapsulation, but the existing TPE adhesive nylon material TPE has poor encapsulation effect, poor encapsulation force, poor adhesion force and easy shedding on nylon, and a plurality of nylon varieties are often modified by glass fibers, so that the difficulty of encapsulating nylon by the thermoplastic elastomer is increased.
Disclosure of Invention
The invention aims to provide a thermoplastic elastomer material for encapsulating nylon and a preparation method thereof, which overcome the defects in the prior art.
In order to achieve the purpose, the technical scheme adopted by the invention comprises the following steps:
the embodiment of the invention provides a thermoplastic elastomer material for encapsulating nylon, which comprises the following components in percentage by weight:
preferably, the engineering plastic includes any one or a combination of two or more of nylon 6, nylon 66 and PC, but is not limited thereto.
Preferably, the styrene-based elastomer includes any one or a combination of two or more of styrene-butadiene-styrene block copolymer (SBS), styrene-ethylene/butylene-styrene block copolymer (SEBS), and styrene-ethylene/propylene-styrene block copolymer (SEPS), but is not limited thereto.
Preferably, the white oil includes any one or a combination of two or more of naphthenic oil, linear-chain alkane oil and aromatic oil, but is not limited thereto.
Preferably, the inorganic filler includes any one or a combination of two or more of calcium carbonate, talc, mica, kaolin and barium sulfate, but is not limited thereto.
Preferably, the tackifying resin includes any one or a combination of two or more of rosin, rosin derivatives, terpene resins, polymeric resins, and condensation resins, but is not limited thereto.
Preferably, the rosin includes any one or a combination of two or more of gum rosin, tall oil rosin and wood rosin, but is not limited thereto.
Preferably, the rosin derivative includes any one or a combination of two or more of hydrogenated rosin, disproportionated rosin, polymerized rosin, esterified rosin and maleated rosin, but is not limited thereto.
Preferably, the terpene resin includes any one or a combination of two or more of α -terpene resin, β -terpene resin and terpene phenol resin, but is not limited thereto.
Preferably, the polymer resin includes any one or a combination of two or more of C5/C9 petroleum resin, dicyclopentadiene (DCPD) resin, coumarone-indene resin and styrene series resin, but is not limited thereto.
Preferably, the condensation resin includes any one or a combination of two or more of an alkyl phenol resin and a xylene resin, but is not limited thereto.
Preferably, the compatilizer comprises maleic anhydride graft SEBS-g-MAH, but is not limited thereto.
Preferably, the lubricant includes one or more of oleamide, erucamide, zinc stearate, calcium stearate, ethylene bis stearamide, polyethylene wax and polydimethylsiloxane, but is not limited thereto.
Preferably, the antioxidant includes any one or a combination of two or more of hindered phenols, hindered amines and phosphites, but is not limited thereto.
The embodiment of the invention also provides a preparation method of the thermoplastic elastomer material for encapsulating nylon,
which comprises the following steps:
the method comprises the following steps: dissolving white oil in a styrene elastomer, and stirring for 15mins at room temperature until the white oil is completely absorbed by the styrene elastomer to prepare a first mixture;
step two: adding engineering plastics, inorganic filler, tackifying resin, compatilizer, lubricant and antioxidant into the first mixture, and stirring for 10mins at normal temperature to prepare the thermoplastic elastomer material for adhering the polyformaldehyde plastics.
Further, a 48:1 double-screw extruder is adopted for extrusion granulation processing and forming, wherein the temperature of extrusion granulation is 100-300 ℃.
Compared with the prior art, the invention has the advantages that: the thermoplastic elastomer material for the rubber-coated nylon provided by the invention has the advantages of good rebound resilience, high strength and high temperature resistance, solves the bonding problem between the thermoplastic elastomer and nylon modified plastics, realizes the true bonding effect of mutual permeation, is simple and easy to prepare, is green and environment-friendly, and can be recycled and injected repeatedly.
Detailed Description
In view of the deficiencies in the prior art, the inventors of the present invention have made extensive studies and extensive practices to provide technical solutions of the present invention. The technical solution, its implementation and principles, etc. will be further explained as follows.
The embodiment of the invention provides a thermoplastic elastomer material for encapsulating nylon, which comprises the following components in percentage by weight:
preferably, the engineering plastic includes any one or a combination of two or more of nylon 6, nylon 66 and PC, but is not limited thereto.
Preferably, the styrene-based elastomer includes any one or a combination of two or more of styrene-butadiene-styrene block copolymer (SBS), styrene-ethylene/butylene-styrene block copolymer (SEBS), and styrene-ethylene/propylene-styrene block copolymer (SEPS), but is not limited thereto.
Preferably, the white oil includes any one or a combination of two or more of naphthenic oil, linear-chain alkane oil and aromatic oil, but is not limited thereto.
Preferably, the inorganic filler includes any one or a combination of two or more of calcium carbonate, talc, mica, kaolin and barium sulfate, but is not limited thereto.
Preferably, the tackifying resin includes any one or a combination of two or more of rosin, rosin derivatives, terpene resins, polymeric resins, and condensation resins, but is not limited thereto.
Preferably, the rosin includes any one or a combination of two or more of gum rosin, tall oil rosin and wood rosin, but is not limited thereto.
Preferably, the rosin derivative includes any one or a combination of two or more of hydrogenated rosin, disproportionated rosin, polymerized rosin, esterified rosin and maleated rosin, but is not limited thereto.
Preferably, the terpene resin includes any one or a combination of two or more of α -terpene resin, β -terpene resin and terpene phenol resin, but is not limited thereto.
Preferably, the polymer resin includes any one or a combination of two or more of C5/C9 petroleum resin, dicyclopentadiene (DCPD) resin, coumarone-indene resin and styrene series resin, but is not limited thereto.
Preferably, the condensation resin includes any one or a combination of two or more of an alkyl phenol resin and a xylene resin, but is not limited thereto.
Preferably, the compatilizer comprises maleic anhydride graft SEBS-g-MAH, but is not limited thereto.
Preferably, the lubricant includes one or more of oleamide, erucamide, zinc stearate, calcium stearate, ethylene bis stearamide, polyethylene wax and polydimethylsiloxane, but is not limited thereto.
Preferably, the antioxidant includes any one or a combination of two or more of hindered phenols, hindered amines and phosphites, but is not limited thereto.
The embodiment of the invention also provides a preparation method of the thermoplastic elastomer material for encapsulating nylon,
which comprises the following steps:
the method comprises the following steps: dissolving white oil in a styrene elastomer, and stirring for 15mins at room temperature until the white oil is completely absorbed by the styrene elastomer to prepare a first mixture;
step two: adding engineering plastics, inorganic filler, tackifying resin, compatilizer, lubricant and antioxidant into the first mixture, and stirring for 10mins at normal temperature to prepare the thermoplastic elastomer material for adhering the polyformaldehyde plastics.
Further, a 48:1 double-screw extruder is adopted for extrusion granulation processing and forming, wherein the temperature of extrusion granulation is 100-300 ℃.
The technical solution of the present invention is further explained below with reference to several examples.
Example 1
The method comprises the following steps: dissolving 100g of white oil in 100g of SEBS, and stirring for 15mins at room temperature until the white oil is completely absorbed by the SEBS to prepare a first mixture;
step two: adding 50gPA6 g of PC, 50g of calcium carbonate, 100g of terpene resin, 4g of silicone oil, 2g of erucamide, 3g of zinc stearate, 80g of compatilizer 1901, 2g of antioxidant 168 and 2g of antioxidant 1010 into the first mixture, and stirring for 10mins at normal temperature until the mixture is uniformly mixed to obtain the thermoplastic elastomer material for the polyformaldehyde plastics.
Example 2
The method comprises the following steps: dissolving 100g of white oil in 100g of SEBS, and stirring for 15mins at room temperature until the white oil is completely absorbed by the SEBS to prepare a first mixture;
step two: and adding 50g of PC, 50gPA66 g of calcium carbonate, 100g of terpene resin, 4g of silicone oil, 2g of erucamide, 3g of zinc stearate, 80g of compatilizer 1901, 2g of antioxidant 168 and 2g of antioxidant 1010 into the first mixture, and stirring at normal temperature for 10mins until the mixture is uniformly mixed to obtain the thermoplastic elastomer material for the polyformaldehyde plastics.
Example 3
The method comprises the following steps: dissolving 100g of white oil in 100g of SEBS, and stirring for 15mins at room temperature until the white oil is completely absorbed by the SEBS to prepare a first mixture;
step two: and adding 100gPA6 g, 50g of calcium carbonate, 100g of terpene resin, 4g of silicone oil, 2g of erucamide, 3g of zinc stearate, 80g of compatilizer 1901, 2g of antioxidant 168 and 2g of antioxidant 1010 into the first mixture, and stirring for 10mins at normal temperature until the mixture is uniformly mixed to obtain the thermoplastic elastomer material for the polyformaldehyde plastics.
Example 4
The method comprises the following steps: dissolving 100g of white oil in 100g of SEBS, and stirring for 15mins at room temperature until the white oil is completely absorbed by the SEBS to prepare a first mixture;
step two: and adding 100gPA66 g, 50g of calcium carbonate, 100g of terpene resin, 4g of silicone oil, 2g of erucamide, 3g of zinc stearate, 80g of compatilizer 1901, 2g of antioxidant 168 and 2g of antioxidant 1010 into the first mixture, and stirring for 10mins at normal temperature until the mixture is uniformly mixed to obtain the thermoplastic elastomer material for the polyformaldehyde plastics.
The rubber particles of the thermoplastic elastomer material for adhering polyformaldehyde plastics prepared in the embodiments 1 to 4 are dried and then molded by an injection molding machine, the injection molding temperature is 230 ℃, and the peel strength results of the rubber-coated plate are tested according to 180 ℃ as shown in the following table 1:
TABLE 1
After drying the colloidal particles of the thermoplastic elastomer material for adhering polyformaldehyde plastics prepared in the embodiments 1 to 4, adhering the sample piece of the nylon material to the sample piece of the injection molding machine at the injection molding temperature of 250 ℃, and testing the peel strength of the rubber-coated plate according to 180 ℃ to obtain the following results in table 2:
TABLE 2
The materials prepared in the above examples 1 to 4 all achieved interpenetration to the extent of true adhesion, differing only by the difference between the adhesive strengths.
It should be understood that the above-mentioned embodiments are merely illustrative of the technical concepts and features of the present invention, which are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and therefore, the protection scope of the present invention is not limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. A thermoplastic elastomeric material for encapsulating nylon, characterized by: comprises the following components in percentage by weight:
2. the thermoplastic elastomeric material for encapsulating nylon according to claim 1, characterized in that: the engineering plastic comprises any one or the combination of more than two of nylon 6, nylon 66 and PC.
3. The thermoplastic elastomeric material for encapsulating nylon according to claim 1, characterized in that: the styrene elastomer comprises any one or combination of more than two of styrene-butadiene-styrene block copolymer, styrene-ethylene/butylene-styrene block copolymer and styrene-ethylene/propylene-styrene block copolymer.
4. The thermoplastic elastomeric material for encapsulating nylon according to claim 1, characterized in that: the white oil comprises any one or the combination of more than two of naphthenic oil, straight-chain alkane oil and aromatic hydrocarbon oil.
5. The thermoplastic elastomeric material for encapsulating nylon according to claim 1, characterized in that: the inorganic filler comprises any one or the combination of more than two of calcium carbonate, talcum powder, mica, kaolin and barium sulfate.
6. The thermoplastic elastomeric material for encapsulating nylon according to claim 1, characterized in that: the tackifying resin comprises any one or the combination of more than two of rosin, rosin derivatives, terpene resin, polymeric resin and condensation resin.
7. The thermoplastic elastomeric material for an encapsulated nylon of claim 6, wherein: the rosin comprises any one or the combination of more than two of gum rosin, tall oil rosin and wood rosin; the rosin derivative comprises any one or the combination of more than two of hydrogenated rosin, disproportionated rosin, polymerized rosin, esterified rosin and maleated rosin; the terpene resin comprises any one or the combination of more than two of alpha-terpene resin, beta-terpene resin and terpene phenolic resin; the polymer resin comprises any one or the combination of more than two of C5/C9 petroleum resin, dicyclopentadiene (DCPD) resin, coumarone-indene resin and styrene series resin; the condensation resin comprises any one or the combination of more than two of alkyl phenolic resin and xylene resin.
8. The thermoplastic elastomeric material for encapsulating nylon according to claim 1, characterized in that: the compatilizer comprises maleic anhydride graft SEBS-g-MAH.
9. A process for preparing the thermoplastic elastomeric material for encapsulating nylon according to any one of claims 1 to 8, characterized by comprising the steps of:
the method comprises the following steps: dissolving white oil in a styrene elastomer, and stirring for 15mins at room temperature until the white oil is completely absorbed by the styrene elastomer to prepare a first mixture;
step two: adding engineering plastics, inorganic filler, tackifying resin, compatilizer, lubricant and antioxidant into the first mixture, and stirring for 10mins at normal temperature to prepare the thermoplastic elastomer material for adhering the polyformaldehyde plastics.
10. The process for the preparation of thermoplastic elastomeric material for encapsulating nylon according to claim 9, characterized in that: extruding, granulating and processing into a shape by adopting a 48:1 double-screw extruder, wherein the temperature of the extrusion granulation is 100-300 ℃.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110722103.9A CN113278282A (en) | 2021-06-28 | 2021-06-28 | Thermoplastic elastomer material for encapsulating nylon and preparation method thereof |
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| CN109957253A (en) * | 2017-12-25 | 2019-07-02 | 联泓(江苏)新材料研究院有限公司 | A kind of thermoplastic elastic material and preparation method thereof for coating glass fiber enhanced nylon |
| CN112745566A (en) * | 2020-01-15 | 2021-05-04 | 昆山科信高分子材料有限公司 | Encapsulated thermoplastic elastomer material for resisting ultraviolet aging and preparation method thereof |
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2021
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|---|---|---|---|---|
| GB880222A (en) * | 1958-07-23 | 1961-10-18 | Richardson Co | Molded rubber compositions and processes |
| CN101081929A (en) * | 2007-06-08 | 2007-12-05 | 深圳市科聚新材料有限公司 | Composite material easy for coating thermoplastic elastomer and preparation method thereof |
| CN101921444A (en) * | 2010-08-18 | 2010-12-22 | 苏州奔腾塑业有限公司 | Special material coated on nylon and preparation method thereof |
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Application publication date: 20210820 |