CN108727767B - Film(s) - Google Patents
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- CN108727767B CN108727767B CN201810674223.4A CN201810674223A CN108727767B CN 108727767 B CN108727767 B CN 108727767B CN 201810674223 A CN201810674223 A CN 201810674223A CN 108727767 B CN108727767 B CN 108727767B
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/302—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising aromatic vinyl (co)polymers, e.g. styrenic (co)polymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/558—Impact strength, toughness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2439/00—Containers; Receptacles
- B32B2439/70—Food packaging
-
- 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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- 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 provides a film formed by co-blow molding of a thermoplastic elastomer material and a polyethylene material, wherein the film has excellent toughness, and the thermoplastic elastomer material consists of the following components in parts by weight: 100 parts of styrene thermoplastic elastomer, 10-60 parts of filling oil, 5-30 parts of polystyrene, 10-150 parts of polyethylene, 0.1-1 part of antioxidant and 0.1-1 part of lubricant.
Description
Technical Field
The invention relates to the technical field of plastics, in particular to a thermoplastic elastomer material and a film.
Background
Linear Low Density Polyethylene LLDPE (Linear Low to Density Polyethylene) is suitable for use as a film for food packaging because of its excellent stretch, puncture, impact and tear resistance. However, when the film packaging bag made of LLDPE is used as a liquid food packaging bag, for example, as a beverage packaging bag, the film packaging bag may be cracked due to sloshing of the liquid during transportation.
Disclosure of Invention
In view of the above-mentioned problems, the present invention provides a thermoplastic elastomer material and a film having excellent toughness.
A thermoplastic elastomer material is composed of the following components in parts by weight: 100 parts of styrene thermoplastic elastomer, 10-60 parts of filling oil, 5-30 parts of polystyrene, 10-150 parts of polyethylene, 0.1-1 part of antioxidant and 0.1-1 part of lubricant.
Preferably, the styrene-based thermoplastic elastomer is one or more selected from styrene-ethylene/butylene-styrene block copolymer (SEBS), styrene-ethylene/propylene-styrene block copolymer (SEPS) and styrene-ethylene/propylene-styrene block copolymer (SEEPS).
Preferably, the styrene-based thermoplastic elastomer has a styrene content of 10 to 60 wt%, a number average molecular weight of 5 to 30 ten thousand g/mol for the styrene-based thermoplastic elastomer having a linear structure, and a number average molecular weight of 10 to 28 ten thousand g/mol for the styrene-based thermoplastic elastomer having a star structure.
Preferably, the melt index of the polystyrene is 0.5-15 g/10 min.
As a preferable scheme, the polyethylene is one or more selected from linear low density polyethylene and low density polyethylene, and the melt index of the polyethylene is 0.1-10 g/10 min.
Preferably, the antioxidant is any one or a combination of more than two of hindered phenol antioxidants, hindered amine antioxidants and phosphite antioxidants.
Preferably, the extender oil is any one or a combination of two or more of naphthenic oil, straight-chain paraffin oil and aromatic oil.
Preferably, the lubricant is any one or a combination of more than two of oleamide, erucamide, stearic acid, butyl stearate, ethylene bis stearamide, polyethylene wax and silicone oil.
A film comprises two layers of polyethylene films and a thermoplastic elastomer film clamped between the two layers of polyethylene films, wherein the polyethylene films are linear low-density polyethylene films or low-density polyethylene films, and the film is formed by blow molding of linear low-density polyethylene materials or low-density polyethylene materials and any one of the thermoplastic elastomer materials.
As a preferred scheme, the thickness of the film is 25-100 um.
The thermoplastic elastomer material provided by the invention can be processed with a linear low-density polyethylene material or a low-density polyethylene material together by blow molding to form a film with the thickness of 25-100 um, and the film does not crack after being kneaded for 2 ten thousand times and has excellent toughness.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The invention provides a Thermoplastic Elastomer (TPE) material which comprises the following components in parts by weight: 100 parts of styrene thermoplastic elastomer, 10-60 parts of filling oil, 5-30 parts of polystyrene, 10-150 parts of polyethylene, 0-100 parts of polypropylene, 0.1-1 part of antioxidant and 0.1-1 part of lubricant. The TPE material provided by the invention has a melt viscosity similar to that of a Linear Low Density Polyethylene (LLDPE) material or a Low Density Polyethylene (LDPE) material, and can be directly subjected to blow molding processing with the LLDPE or the LDPE material to form a film.
The styrene thermoplastic elastomer is used as matrix resin and is selected from one or more of styrene-ethylene/butylene-styrene block copolymer (SEBS), styrene-ethylene/propylene-styrene block copolymer (SEPS) and styrene-ethylene/propylene-styrene block copolymer (SEEPS). Preferably, the content of styrene in the styrene-based thermoplastic elastomer is 10-60 wt%, so that the styrene-based thermoplastic elastomer has balanced elasticity and strength.
The styrenic thermoplastic elastomer is used to ensure that the thermoplastic elastomer material is suitable for blow molding processing. Wherein, the number average molecular weight of the styrene thermoplastic elastomer with a linear structure is 5 ten thousand to 30 ten thousand g/mol, preferably 7 ten thousand to 20 ten thousand g/mol; the number average molecular weight of the styrenic thermoplastic elastomer having a star structure is from 10 to 28 ten thousand g/mol, preferably from 14 to 22 ten thousand g/mol.
The polystyrene is used for ensuring the melt stability of the TPE material during blow molding processing, so that a TPE film formed by blow molding processing of the TPE material has uniform thickness. The melt index of the polystyrene is 0.5-15 g/10min (230 ℃, 2.16 kg).
The polyethylene is used for increasing the melt adhesive force between the TPE film formed by blow molding and the LLDPE or LDPE film when the TPE material and the LLDPE or LDPE material are subjected to blow molding together to form a film, so that the TPE film formed by blow molding and the LLDPE or LDPE film can be directly adhered without adding an adhesive layer. The polyethylene is selected from one or more of LLDPE and LDPE, and the melt index of the polyethylene is 0.1-10 g/10min (230 ℃, 2.16 kg).
The polypropylene is used for adjusting the processability of the TPE material, and the melt index of the polypropylene is 0.1-35 g/10min (230 ℃, 2.16 kg).
The antioxidant is any one or combination of more than two of hindered phenol antioxidant, hindered amine antioxidant and phosphite antioxidant.
The extender oil acts as a plasticizer to increase the thermoplastic processability of the styrenic thermoplastic elastomer. Preferably, the extender oil is any one or a combination of two or more of naphthenic oil, straight-chain alkane oil and aromatic oil.
The lubricant is any one or the combination of more than two of oleamide, erucamide, stearic acid, butyl stearate, ethylene bis stearamide, polyethylene wax and silicone oil.
The invention also provides a preparation method of the TPE material, which comprises the following steps: adding the components of the TPE material into a high-speed mixer, and stirring and mixing for 3 minutes at the rotating speed of 180 revolutions per minute to obtain a premix; and putting the fully mixed pre-mixture into a double-screw extruder with the length-diameter ratio of 48:1, controlling the processing temperature to be 160-250 ℃, and carrying out melting, extrusion and granulation to obtain the TPE material.
The invention also provides a film which comprises two layers of polyethylene films and a TPE film clamped between the two layers of polyethylene films, wherein the polyethylene film is an LLDPE film or an LDPE film. The thickness of the film is 25-100 um. The film is formed by co-blow molding LLDPE material or LDPE material and TPE material.
The TPE material provided by the invention has similar melt viscosity with LLDPE or LDPE material, and each component is nonpolar material, and each component has similar solubility parameter with the LLDPE or LDPE material, so that when the TPE material and the LLDPE or LDPE material with nonpolar nature are processed together by blow molding to form the film, a bonding layer for bonding the TPE film and the LLDPE film is not required to be added, and the manufacturing process of the film is simplified. The TPE material provided by the invention is applied to the field of food packaging, the thickness of a film formed by blow molding the TPE material and LLDPE or LDPE material together is thinner, and the film has no odor and is suitable for food packaging.
Example 1
The TPE material comprises the following components in parts by weight: 100 parts of linear SEBS, 20 parts of naphthenic oil, 30 parts of straight-chain alkane oil, 10 parts of aromatic oil, 25 parts of polystyrene, 50 parts of LLDPE, 50 parts of LDPE, 1 part of hindered phenol antioxidant, 0.2 part of oleamide, 0.3 part of butyl stearate and 0.2 part of silicone oil.
Example 2
The TPE material comprises the following components in parts by weight: 38.2 parts of linear SEBS, 23.6 parts of star SEBS, 38.2 parts of SEPS, 30 parts of naphthenic oil, 10 parts of straight-chain alkane oil, 15 parts of polystyrene, 10 parts of LLDPE, 0.1 part of phosphite antioxidant, 0.2 part of oleamide and 0.2 part of stearic acid.
Example 3
The TPE material comprises the following components in parts by weight: 14.6 parts of linear SEBS, 23.6 parts of star SEBS, 61.8 parts of SEPS, 10 parts of naphthenic oil, 5 parts of polystyrene, 15 parts of LLDPE, 40 parts of LDPE, 0.3 part of hindered phenol antioxidant, 0.1 part of hindered amine antioxidant, 0.6 part of phosphite antioxidant, 0.4 part of ethylene bis stearamide and 0.1 part of silicone oil.
Example 4
The TPE material comprises the following components in parts by weight: 100 parts of SEPS, 20 parts of straight-chain alkane oil, 30 parts of aromatic hydrocarbon oil, 10 parts of polystyrene, 45 parts of LDPE, 1 part of hindered amine antioxidant and 0.1 part of oleamide.
Example 5
The TPE material comprises the following components in parts by weight: 38.2 parts of linear SEBS, 23.6 parts of star SEBS, 38.2 parts of SEPS, 40 parts of filling oil, 20 parts of polystyrene, 10 parts of linear low-density polyethylene, 0.2 part of hindered phenol antioxidant, 0.2 part of hindered amine antioxidant, 0.2 part of butyl stearate, 0.2 part of ethylene bis stearamide and 0.5 part of polyethylene wax.
Example 6
The TPE material comprises the following components in parts by weight: 55.3 parts of linear SEBS, 44.7 parts of star SEBS, 22 parts of straight-chain alkane oil, 15 parts of polystyrene, 29 parts of LLDPE, 0.3 part of hindered amine antioxidant, 0.3 part of phosphite antioxidant and 0.5 part of stearic acid.
Example 7
The TPE material comprises the following components in parts by weight: 100 parts of star SEBS, 20 parts of naphthenic oil, 30 parts of polystyrene, 125 parts of LDPE, 0.1 part of hindered phenol antioxidant and 0.2 part of erucamide.
Example 8
The TPE material comprises the following components in parts by weight: 23.6 parts of star SEBS, 76.4 parts of SEPS, 30 parts of aromatic hydrocarbon oil, 10 parts of polystyrene, 150 parts of linear low-density polyethylene, 0.1 part of hindered amine antioxidant, 0.1 part of oleamide, 0.2 part of erucamide, 0.3 part of polyethylene wax and 0.4 part of silicone oil.
Example 9
The TPE material comprises the following components in parts by weight: 100 parts of SEPS, 15 parts of aromatic hydrocarbon oil, 25 parts of polystyrene, 25 parts of LLDPE, 1 part of phosphite antioxidant, 0.2 part of butyl stearate and 0.2 part of silicone oil.
Example 10
The TPE material comprises the following components in parts by weight: 50 parts of linear SEBS, 50 parts of star SEBS, 70 parts of naphthenic oil, 10 parts of polystyrene, 10 parts of LLDPE, 50 parts of polypropylene, 0.1 part of hindered phenol antioxidant, 0.2 part of phosphite antioxidant, 0.4 part of oleamide and 0.5 part of silicone oil.
Example 11
The TPE material comprises the following components in parts by weight: 50 parts of star SEBS, 50 parts of SEPS, 70 parts of straight-chain alkane oil, 15 parts of polystyrene, 30 parts of LDPE, 100 parts of polypropylene, 0.1 part of hindered phenol antioxidant, 0.1 part of hindered amine antioxidant, 0.4 part of phosphite antioxidant and 0.4 part of oleamide.
Comparative examples LLDPE or LDPE material was processed by blow molding to form a LLDPE or LDPE three-layer film.
The TPE materials obtained in examples 1 to 11 were subjected to hardness test, tensile strength and elongation at break test, respectively. The TPE materials from examples 1 to 11 were blown together with LLDPE or LDPE materials to give the films, and the films from examples 1 to 11 and comparative examples were subjected to Gelbo Flex Testing. The test performance is shown in Table 1. The hardness test is carried out by adopting an ASTM D-2240 method, namely, at most three layers of samples are stacked at normal temperature, so that the thickness of the test sample is larger than 6mm, the distance between the test point and the edge of the sample is larger than 6mm, and the Shore A table is used for testing the reading in 10 s. Tensile strength and elongation at break tests were conducted using ASTM D-412 at a tensile speed of 500 mm/min. Gelbo Flex Testing was performed by rubbing a film having a thickness of 100 μm 2 ten thousand times to check whether or not there was a crack.
TABLE 1 test Performance List of TPE materials and films obtained in the examples
As can be seen from the above table, the TPE material has high hardness and strength, and a thin film (with a thickness of 25-100 um) formed by blow molding the TPE material and the LLDPE material has high toughness, and does not have a hole after being kneaded for 2 ten thousand times, and is more suitable for being used as a liquid packaging bag than a conventional film made of only LLDPE or LDPE material and having 34 holes after being kneaded for 2 ten thousand times.
In addition, other modifications within the spirit of the invention will occur to those skilled in the art, and it is understood that such modifications are included within the scope of the invention as claimed.
Claims (7)
1. A film is characterized by comprising two layers of polyethylene films and a thermoplastic elastomer film clamped between the two layers of polyethylene films, wherein the polyethylene films are linear low-density polyethylene films or low-density polyethylene films, the film is formed by blow molding of linear low-density polyethylene materials or low-density polyethylene materials and thermoplastic elastomer materials together, and the thermoplastic elastomer material is composed of the following components in parts by weight: 100 parts of styrene thermoplastic elastomer with the styrene content of 10-60 wt%, 10-60 parts of filling oil, 5-30 parts of polystyrene, 10-150 parts of polyethylene, 0.1-1 part of antioxidant and 0.1-1 part of lubricant, wherein the styrene thermoplastic elastomer has a linear structure with the number average molecular weight of 5-30 ten thousand g/mol and a star-shaped structure with the number average molecular weight of 10-28 ten thousand g/mol, the melt index of the polystyrene is 0.5-15 g/10min, the polyethylene is selected from one or more of linear low-density polyethylene and low-density polyethylene, and the melt index of the polyethylene is 0.1-10 g/10 min.
2. The film of claim 1, wherein the styrenic thermoplastic elastomer is selected from one or more of styrene-ethylene/butylene-styrene block copolymer (SEBS), styrene-ethylene/propylene-styrene block copolymer (SEPS), and styrene-ethylene/propylene-styrene block copolymer (SEEPS).
3. The film of claim 2, wherein the styrenic thermoplastic elastomer having a linear structure has a number average molecular weight of 5 to 20 ten thousand g/mol, and the styrenic thermoplastic elastomer having a star structure has a number average molecular weight of 14 to 22 ten thousand g/mol.
4. The film of claim 1, wherein the antioxidant is any one or a combination of two or more of hindered phenolic antioxidants, hindered amine antioxidants, and phosphite antioxidants.
5. The film of claim 1, wherein the extender oil is any one or a combination of two or more of naphthenic oil, linear-chain paraffinic oil, and aromatic hydrocarbon oil.
6. The film of claim 1, wherein the lubricant is any one or a combination of two or more of oleamide, erucamide, stearic acid, butyl stearate, ethylene bis stearamide, polyethylene wax, and silicone oil.
7. The film of claim 1, wherein the film has a thickness of 25 to 100 μm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810674223.4A CN108727767B (en) | 2018-06-26 | 2018-06-26 | Film(s) |
| PCT/CN2018/100005 WO2020000589A1 (en) | 2018-06-26 | 2018-08-10 | Thermoplastic elastomer material and thin film |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810674223.4A CN108727767B (en) | 2018-06-26 | 2018-06-26 | Film(s) |
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| CN108727767B true CN108727767B (en) | 2020-05-19 |
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| CN110054899A (en) * | 2019-04-15 | 2019-07-26 | 江苏瑞弗橡塑材料有限公司 | Chinampa Antistatic thermoplastic elastomer particle and preparation method thereof |
| US11447619B2 (en) * | 2019-04-22 | 2022-09-20 | Polymax TPE LLC | Thermoplastic elastomer composition |
| CN111391263B (en) * | 2020-02-21 | 2021-08-31 | 南京工业大学 | Non-pigment porous total reflection heat insulation cooling polymer film and preparation method thereof |
| CN113072813A (en) * | 2021-03-18 | 2021-07-06 | 深圳市欧龙优新材料科技有限公司 | High-temperature-resistant flexible polyolefin thermoplastic elastic material |
| CN114261165B (en) * | 2022-01-04 | 2023-09-08 | 新乐华宝医疗器械有限公司 | Rubber-mat-free laminated film and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5093422A (en) * | 1990-04-23 | 1992-03-03 | Shell Oil Company | Low stress relaxation extrudable elastomeric composition |
| CN100467529C (en) * | 2005-06-17 | 2009-03-11 | 闫俊龙 | Thermoplastic elastomer and its production method |
| CN101845195B (en) * | 2010-05-07 | 2011-11-02 | 浙江俊尔新材料有限公司 | Wear-resistant thermoplastic elastomer and preparation method thereof |
| CN102134365B (en) * | 2011-04-29 | 2012-11-21 | 南通普力马弹性体技术有限公司 | Permanently antistatic thermoplastic elastomer material |
| CN202685479U (en) * | 2012-08-13 | 2013-01-23 | 浙江新高包装有限公司 | Middle-sized explosive bag packaging composite film |
| WO2015003072A1 (en) * | 2013-07-02 | 2015-01-08 | Avery Dennison Corporation | Multilayer films and methods of manufacture |
| CN103709584B (en) * | 2013-12-31 | 2016-09-14 | 深圳市普特美橡塑原料有限公司 | Stretched film environmental protection type thermoplastic elastomer compositions |
| CN104987646A (en) * | 2015-07-21 | 2015-10-21 | 南通普力马弹性体技术有限公司 | Thermoplastic styrenic elastomer composition with high elongation and low stretching permanent deformation |
| CN105175979A (en) * | 2015-10-26 | 2015-12-23 | 益阳达普林科技有限公司 | High-resilience thermoplastic elastomer composition and preparation method thereof |
| CN105367987B (en) * | 2015-11-26 | 2018-11-09 | 中广核俊尔新材料有限公司 | One kind is low to distribute low-odor thermoplastic elastomer and preparation method thereof |
| CN105860414B (en) * | 2016-05-11 | 2018-09-11 | 苏州天裕塑胶有限公司 | TPE group compound films material and preparation method |
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| WO2020000589A1 (en) | 2020-01-02 |
| CN108727767A (en) | 2018-11-02 |
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