CN106084736A - A kind of Food Contact level high-temperature-resistant thermoplastic elastomer and preparation method thereof - Google Patents
A kind of Food Contact level high-temperature-resistant thermoplastic elastomer and preparation method thereof Download PDFInfo
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- CN106084736A CN106084736A CN201610442218.1A CN201610442218A CN106084736A CN 106084736 A CN106084736 A CN 106084736A CN 201610442218 A CN201610442218 A CN 201610442218A CN 106084736 A CN106084736 A CN 106084736A
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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
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- 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
-
- 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
-
- 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
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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
Abstract
The invention discloses a kind of Food Contact level high-temperature-resistant thermoplastic elastomer and preparation method thereof, basic recipe and weight ratio consist of: matrix resin 15 ~ 30%, thermoplastic polyurethane 10 ~ 25%, thermoplastic polyester elastomer 5 ~ 15%, heat stable resin 4 ~ 12%, polar resin 3 ~ 15%, acrylic resin 5 ~ 15%, fills oil 15 ~ 25%, Nano filling 3 ~ 10%, antioxidant 0.5 ~ 1.5%, lubricant 0.2 ~ 2%.Material after the preparation method is that mix homogeneously is sent in double screw extruder loading hopper, through twin screw high speed shear, extrusion, tie rod, cooling, pelletize.Food Contact level high-temperature-resistant thermoplastic elastomer prepared by the present invention, can be safely used for and Food Contact product surface, reach FDA 21CFR177.2600 standard.Resistance to elevated temperatures is good, and production technology is simple, environment-protecting asepsis, it is adaptable to the fields such as cooker, tableware, food containers.
Description
Technical field
The present invention relates to thermoplastic elastomer (TPE) field, particularly relate to a kind of Food Contact level high-temperature-resistant thermoplastic elastomer and
Its preparation method.
Background technology
Food and drug administration (Food and Drug Administration) is called for short FDA, Food Contact class
Material refers to all materials that can touch in processing packaging storage transport food products with food, can with food
The Environmental Safety situation of the material touched is directly concerning safe diet and the health of user, so arriving this kind of products export
U.S.'s needs carry out the detection certification being correlated with according to FDA standard.FDA 21CFR 177.2600 be in FDA with food contact material
The examination criteria of the rubber of safety command.
Thermoplastic elastomer (TPE) (TPE) is a kind of to have the high resiliency of rubber, high intensity, high resilience, has again and can be molded
The material of the feature of processing.There is the advantages such as environment friendly and pollution-free, applied widely, good springiness, soft-touch.
But common thermoplastic's elastomer contains harmful material, so general thermoplastic elastomer (TPE) should not be drunk
Food utensil and packaging for foodstuff.And thermoplastic elastomer (TPE) heat resisting temperature only has 70 DEG C, thus limit its making when contacting food
Use temperature.Therefore, develop and a kind of be capable of withstanding high temperature, thermoplastic elastomer (TPE) without harmful substance, there is the most practical valency
Value.
Summary of the invention
The present invention is directed to the deficiency that prior art exists, it is provided that a kind of Food Contact level high-temperature-resistant thermoplastic elastomer,
Its resistance to elevated temperatures is good, can be safely used for and Food Contact product surface, reaches FDA 21CFR § 177.2600 standard.
Meanwhile, present invention also offers a kind of Food Contact level high-temperature-resistant thermoplastic method for producing elastomers.
For reaching above-mentioned purpose, the present invention is achieved by the following technical solutions:
A kind of Food Contact level high-temperature-resistant thermoplastic elastomer, basic recipe and weight ratio consist of:
Matrix resin 15 ~ 30%
Thermoplastic polyurethane 10 ~ 25%
Thermoplastic polyester elastomer 5 ~ 15%
Heat stable resin 4 ~ 12%
Polar resin 3 ~ 15%
Acrylic resin 5 ~ 15%
Fill oil 15 ~ 25%
Nano filling 3 ~ 10%
Antioxidant 0.5 ~ 1.5%
Lubricant 0.2 ~ 2%.
Preferably, described matrix resin is styrene butadiene styrene block copolymer (SBS), hydrogenates saturated thermoplasticity
At least one in styrene-butadiene block copolymer.
Preferably, described thermoplastic polyurethane is polyether thermoplastic polyurethane, free vulcabond≤0.5%.
Preferably, in described thermoplastic polyester elastomer, PBT polyester hard section unit is less than the 10% of total amount.
Preferably, described heat stable resin is powdery polyphenylene oxide, and particle diameter is 1 ~ 10 micron.
Preferably, free phenol≤1% of described heat stable resin.
Preferably, described polar resin be phenylethylene-maleic anhydride graft copolymer, isobutyiene-maieic anhydride grafting altogether
At least one in polymers, ethylene propylene diene rubber-maleic anhydride graft copolymer.
Preferably, the percent grafting of described polar resin is 15% ~ 25%, and intrinsic viscosity is 1.5 ~ 2.5dL/g.
Preferably, described oil of filling is higher than the saturated straight chain alkane oil of 200 DEG C, at least in naphthenic oil for flash-point
Kind.
Above-mentioned Food Contact level high-temperature-resistant thermoplastic method for producing elastomers, its processing step prepared is as follows:
(1) material in composition of raw materials is weighed by weight ratio；
(2) matrix resin, thermoplastic polyurethane, heat stable resin are mixed 10 ~ 30 minutes with filling oil, then by remaining material
Add in batch mixer and be mixed together 20 ~ 40 minutes, discharging；
(3) mixed material is sent in double screw extruder loading hopper, through twin screw high speed shear, extrusion, tie rod, cold
But, pelletize；Setting district's temperature of double screw extruder as 150 ~ 180 DEG C, two district's temperature are 180 ~ 210 DEG C, and three district's temperature are
210 ~ 230 DEG C, four district's temperature are 220 ~ 240 DEG C, and five district's temperature are 170 ~ 210 DEG C, and head temperature is 150 ~ 170 DEG C, feeding speed
Degree is 100 ~ 300 revs/min, and screw speed is 150 ~ 500 revs/min.
Beneficial effects of the present invention:
Food Contact level high-temperature-resistant thermoplastic elastomer prepared by the present invention, according to the normative document 21CFR177.2600 institute of FDA
The method stated is tested, and in the limits of prescribed by standard, is a kind of thermoplastic elastomer (TPE) meeting FDA requirement, can
Can be safely used for and Food Contact product surface.By adding heat stable resin, improve the resistance to elevated temperatures of material, production technology
Simply, environment-protecting asepsis, it is adaptable to the fields such as cooker, tableware, food containers.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.Following example will assist in the technology of this area
Personnel are further appreciated by the present invention, but limit the present invention the most in any form.It should be pointed out that, the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement.These broadly fall into the present invention
Protection domain.
A kind of Food Contact level high-temperature-resistant thermoplastic elastomer, basic recipe and weight ratio consist of:
Matrix resin 15 ~ 30%, thermoplastic polyurethane 10 ~ 25%, thermoplastic polyester elastomer 5 ~ 15%, heat stable resin 4 ~ 12%, pole
Property resin 3 ~ 15%, acrylic resin 5 ~ 15%, fill oil 15 ~ 25%, Nano filling 3 ~ 10%, antioxidant 0.5 ~ 1.5%, lubricant
0.2~2%。
Wherein, described matrix resin is styrene butadiene styrene block copolymer (SBS), hydrogenates saturated thermoplasticity benzene
At least one in ethylene-butadiene block copolymer.Described thermoplastic polyurethane is polyether thermoplastic polyurethane, free two
Isocyanates≤0.5%.In described thermoplastic polyester elastomer, PBT polyester hard section unit is less than the 10% of total amount.Described heat-resisting
Resin is powdery polyphenylene oxide, and particle diameter is 1 ~ 10 micron.Free phenol≤1% of described heat stable resin.Described polar resin is benzene second
Alkene-maleic anhydride graft copolymer, isobutyiene-maieic anhydride graft copolymer, ethylene propylene diene rubber-maleic anhydride graft copolymerization
At least one in thing.The percent grafting of described polar resin is 15% ~ 25%, and intrinsic viscosity is 1.5 ~ 2.5dL/g.Described filling oil
For the flash-point saturated straight chain alkane oil higher than 200 DEG C, at least one in naphthenic oil.
The processing step of preparation is as follows:
(1) material in composition of raw materials is weighed by weight ratio；
(2) matrix resin, thermoplastic polyurethane, heat stable resin are mixed 10 ~ 30 minutes with filling oil, then by remaining material
Add in batch mixer and be mixed together 20 ~ 40 minutes, discharging；
(3) mixed material is sent in double screw extruder loading hopper, through twin screw high speed shear, extrusion, tie rod, cold
But, pelletize；Setting district's temperature of double screw extruder as 150 ~ 180 DEG C, two district's temperature are 180 ~ 210 DEG C, and three district's temperature are
210 ~ 230 DEG C, four district's temperature are 220 ~ 240 DEG C, and five district's temperature are 170 ~ 210 DEG C, and head temperature is 150 ~ 170 DEG C, feeding speed
Degree is 100 ~ 300 revs/min, and screw speed is 150 ~ 500 revs/min.
Food Contact level high-temperature-resistant thermoplastic elastomer prepared by the present invention, has resistance to elevated temperatures good, can use safely
In with Food Contact product surface, reach FDA 21CFR § 177.2600 standard.
Embodiment 1
The Food Contact level high-temperature-resistant thermoplastic elastomer of the present invention, basic recipe and weight ratio consist of: styrene-fourth two
Alkene-styrene block copolymer 15%, thermoplastic polyurethane 25%, thermoplastic polyester elastomer 5%, heat stable resin 12%, styrene-
Maleic anhydride graft copolymer 3%, acrylic resin 15%, saturated straight chain alkane oil 20%, Nano filling 3%, antioxidant 1.5%, profit
Lubrication prescription 0.5%.
The processing step of preparation is as follows:
(1) material in composition of raw materials is weighed by weight ratio；
(2) by styrene butadiene styrene block copolymer (SBS), thermoplastic polyurethane, heat stable resin and saturated straight chain alkane oil
Mix 10 minutes, then remaining material is added in batch mixer and be mixed together 20 ~ 40 minutes, discharging；
(3) mixed material is sent in double screw extruder loading hopper, through twin screw high speed shear, extrusion, tie rod, cold
But, pelletize；Setting district's temperature of double screw extruder as 150 DEG C, two district's temperature are 180 DEG C, and three district's temperature are 210 DEG C, four
District's temperature is 220 DEG C, and five district's temperature are 170 DEG C, and head temperature is 150 DEG C, and rate of feeding is 100 revs/min, and screw speed is
150 revs/min.
Embodiment 2
The Food Contact level high-temperature-resistant thermoplastic elastomer of the present invention, basic recipe and weight ratio consist of: hydrogenate saturated thermoplastic
Property styrene-butadiene block copolymer 30%, thermoplastic polyurethane 10%, thermoplastic polyester elastomer 15%, heat stable resin 4%,
Isobutyiene-maieic anhydride graft copolymer 15%, acrylic resin 5%, naphthenic oil 15%, Nano filling 3. 5%, antioxidant
0.5%, lubricant 2%.
The processing step of preparation is as follows:
(1) material in composition of raw materials is weighed by weight ratio；
(2) saturated thermoplastic styrene-butadiene block copolymer, thermoplastic polyurethane, heat stable resin and cycloalkane will be hydrogenated
Oil mixing 30 minutes, then adds remaining material in batch mixer and is mixed together 40 minutes, discharging；
(3) mixed material is sent in double screw extruder loading hopper, through twin screw high speed shear, extrusion, tie rod, cold
But, pelletize；Setting district's temperature of double screw extruder as 180 DEG C, two district's temperature are 210 DEG C, and three district's temperature are 230 DEG C, four
District's temperature is 240 DEG C, and five district's temperature are 210 DEG C, and head temperature is 170 DEG C, and rate of feeding is 300 revs/min, and screw speed is
500 revs/min.
Embodiment 3
The Food Contact level high-temperature-resistant thermoplastic elastomer of the present invention, basic recipe and weight ratio consist of: styrene-fourth two
Alkene-styrene block copolymer 23%, thermoplastic polyurethane 17%, thermoplastic polyester elastomer 5%, heat stable resin 4%, EPDM
Rubber-maleic anhydride graft copolymer 9%, acrylic resin 6%, saturated straight chain alkane oil 25%, Nano filling 10%, antioxidant
0.8%, lubricant 0.2%.
The processing step of preparation is as follows:
(1) material in composition of raw materials is weighed by weight ratio；
(2) by styrene butadiene styrene block copolymer (SBS), thermoplastic polyurethane, heat stable resin and saturated straight chain alkane oil
Mix 20 minutes, then remaining material is added in batch mixer and be mixed together 30 minutes, discharging；
(3) mixed material is sent in double screw extruder loading hopper, through twin screw high speed shear, extrusion, tie rod, cold
But, pelletize；Setting district's temperature of double screw extruder as 165 DEG C, two district's temperature are 195 DEG C, and three district's temperature are 220 DEG C, four
District's temperature is 230 DEG C, and five district's temperature are 190 DEG C, and head temperature is 160 DEG C, and rate of feeding is 200 revs/min, and screw speed is
300 revs/min.
Embodiment 4
The Food Contact level high-temperature-resistant thermoplastic elastomer of the present invention, basic recipe and weight ratio consist of: hydrogenate saturated thermoplastic
Property styrene-butadiene block copolymer 17%, thermoplastic polyurethane 21%, thermoplastic polyester elastomer 10%, heat stable resin 8%,
Isobutyiene-maieic anhydride graft copolymer 6%, acrylic resin 10%, naphthenic oil 20%, Nano filling 6%, antioxidant 0.7%,
Lubricant 1.3%.
The processing step of preparation is as follows:
(1) material in composition of raw materials is weighed by weight ratio；
(2) saturated thermoplastic styrene-butadiene block copolymer, thermoplastic polyurethane, heat stable resin and cycloalkane will be hydrogenated
Oil mixing 15 minutes, then adds remaining material in batch mixer and is mixed together 40 minutes, discharging；
(3) mixed material is sent in double screw extruder loading hopper, through twin screw high speed shear, extrusion, tie rod, cold
But, pelletize；Setting district's temperature of double screw extruder as 170 DEG C, two district's temperature are 180 DEG C, and three district's temperature are 200 DEG C, four
District's temperature is 220 DEG C, and five district's temperature are 200 DEG C, and head temperature is 170 DEG C, and rate of feeding is 200 revs/min, and screw speed is
400 revs/min.
Embodiment 5
The Food Contact level high-temperature-resistant thermoplastic elastomer of the present invention, basic recipe and weight ratio consist of: styrene-fourth two
Alkene-styrene block copolymer 23%, thermoplastic polyurethane 17%, thermoplastic polyester elastomer 5%, heat stable resin 10%, ternary second
Third rubber-maleic anhydride graft copolymer 3%, acrylic resin 12%, saturated straight chain alkane oil 18%, Nano filling 10%, antioxygen
Agent 1%, lubricant 1%.
The processing step of preparation is as follows:
(1) material in composition of raw materials is weighed by weight ratio；
(2) by styrene butadiene styrene block copolymer (SBS), thermoplastic polyurethane, heat stable resin and saturated straight chain alkane oil
Mix 25 minutes, then remaining material is added in batch mixer and be mixed together 35 minutes, discharging；
(3) mixed material is sent in double screw extruder loading hopper, through twin screw high speed shear, extrusion, tie rod, cold
But, pelletize；Setting district's temperature of double screw extruder as 160 DEG C, two district's temperature are 180 DEG C, and three district's temperature are 220 DEG C, four
District's temperature is 240 DEG C, and five district's temperature are 210 DEG C, and head temperature is 160 DEG C, and rate of feeding is 150 revs/min, and screw speed is
350 revs/min.
Embodiment 6
The Food Contact level high-temperature-resistant thermoplastic elastomer of the present invention, basic recipe and weight ratio consist of: hydrogenate saturated thermoplastic
Property styrene-butadiene block copolymer 25%, thermoplastic polyurethane 15%, thermoplastic polyester elastomer 12%, heat stable resin 8%,
Phenylethylene-maleic anhydride graft copolymer 10%, acrylic resin 5%, naphthenic oil 15%, Nano filling 7%, antioxidant 1.5%,
Lubricant 1.5%.
The processing step of preparation is as follows:
(1) material in composition of raw materials is weighed by weight ratio；
(2) saturated thermoplastic styrene-butadiene block copolymer, thermoplastic polyurethane, heat stable resin and cycloalkane will be hydrogenated
Oil mixing 30 minutes, then adds remaining material in batch mixer and is mixed together 20 minutes, discharging；
(3) mixed material is sent in double screw extruder loading hopper, through twin screw high speed shear, extrusion, tie rod, cold
But, pelletize；Setting district's temperature of double screw extruder as 160 DEG C, two district's temperature are 200 DEG C, and three district's temperature are 210 DEG C, four
District's temperature is 230 DEG C, and five district's temperature are 190 DEG C, and head temperature is 160 DEG C, and rate of feeding is 250 revs/min, and screw speed is
400 revs/min.
Comparative example 1
Unlike embodiment 1 to 6, in comparative example 1, modifying process is not added with heat-resistant agent, and other condition is constant.
Performance test
The thermoplastic elastomer (TPE) prepared by above-mentioned each formula is carried out performance test, and result is as shown in table 1:
Table 1
From table 1 it follows that comparative example 1-6 and comparative example 1, the heat resisting temperature of embodiment 1-6 is significantly improved.From
Embodiment 1-6 is it can be seen that thermoplastic elastomer (TPE) prepared by the present invention can pass through Food and Drug Administration of U.S. government (FDA)
Fat-containing food extracts test (21CFR § 177.2600 uses normal hexane as solvent).
Above the specific embodiment of the present invention is described.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformation or amendment within the scope of the claims, this not shadow
Ring the flesh and blood of the present invention.
Claims (10)
1. a Food Contact level high-temperature-resistant thermoplastic elastomer, it is characterised in that basic recipe and weight ratio consist of:
Matrix resin 15 ~ 30%
Thermoplastic polyurethane 10 ~ 25%
Thermoplastic polyester elastomer 5 ~ 15%
Heat stable resin 4 ~ 12%
Polar resin 3 ~ 15%
Acrylic resin 5 ~ 15%
Fill oil 15 ~ 25%
Nano filling 3 ~ 10%
Antioxidant 0.5 ~ 1.5%
Lubricant 0.2 ~ 2%.
Thermoplastic elastomer (TPE) the most according to claim 1, it is characterised in that: described matrix resin is styrene-fourth two
Alkene-styrene block copolymer, at least one hydrogenated in saturated thermoplastic styrene-butadiene block copolymer.
Thermoplastic elastomer (TPE) the most according to claim 1, it is characterised in that: described thermoplastic polyurethane is polyether-type thermoplastic
Property polyurethane, free vulcabond≤0.5%.
Thermoplastic elastomer (TPE) the most according to claim 1, it is characterised in that: in described thermoplastic polyester elastomer, PBT gathers
Ester hard section unit is less than the 10% of total amount.
Thermoplastic elastomer (TPE) the most according to claim 1, it is characterised in that: described heat stable resin is powdery polyphenylene oxide, grain
Footpath is 1 ~ 10 micron.
Thermoplastic elastomer (TPE) the most according to claim 1 or 5, it is characterised in that: free phenol≤1% of described heat stable resin.
Thermoplastic elastomer (TPE) the most according to claim 1, it is characterised in that: described polar resin is styrene-maleic acid
In acid anhydride graft copolymer, isobutyiene-maieic anhydride graft copolymer, ethylene propylene diene rubber-maleic anhydride graft copolymer extremely
Few one.
8. according to the thermoplastic elastomer (TPE) described in claim 1 or 7, it is characterised in that: the percent grafting of described polar resin is 15%
~ 25%, intrinsic viscosity is 1.5 ~ 2.5dL/g.
Thermoplastic elastomer (TPE) the most according to claim 1, it is characterised in that: described oil of filling is higher than 200 DEG C for flash-point
At least one in saturated straight chain alkane oil, naphthenic oil.
10., according to the Food Contact level high-temperature-resistant thermoplastic method for producing elastomers described in any one of claim 1 ~ 9, it is special
Levy the processing step being to prepare as follows:
(1) material in composition of raw materials is weighed by weight ratio；
(2) matrix resin, thermoplastic polyurethane, heat stable resin are mixed 10 ~ 30 minutes with filling oil, then by remaining material
Add in batch mixer and be mixed together 20 ~ 40 minutes, discharging；
(3) mixed material is sent in double screw extruder loading hopper, through twin screw high speed shear, extrusion, tie rod, cold
But, pelletize；Setting district's temperature of double screw extruder as 150 ~ 180 DEG C, two district's temperature are 180 ~ 210 DEG C, and three district's temperature are
210 ~ 230 DEG C, four district's temperature are 220 ~ 240 DEG C, and five district's temperature are 170 ~ 210 DEG C, and head temperature is 150 ~ 170 DEG C, feeding speed
Degree is 100 ~ 300 revs/min, and screw speed is 150 ~ 500 revs/min.
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| CN201610442218.1A CN106084736A (en) | 2016-06-20 | 2016-06-20 | A kind of Food Contact level high-temperature-resistant thermoplastic elastomer and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106928661A (en) * | 2017-04-01 | 2017-07-07 | 广州市凯德热塑性弹性体有限公司 | A kind of food contact level oil resistant TPE material and preparation method thereof |
| CN107353553A (en) * | 2017-08-01 | 2017-11-17 | 余姚优信塑业有限公司 | TPE and its preparation technology are used in a kind of food contact |
| CN109608812A (en) * | 2018-12-27 | 2019-04-12 | 南通普力马弹性体技术有限公司 | A kind of Bottle cap spacer thermoplastic elastic material |
| CN110437602A (en) * | 2019-08-09 | 2019-11-12 | 河源志盛模塑有限公司 | A kind of polyurethane material and preparation method thereof |
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| CN102432976A (en) * | 2011-10-25 | 2012-05-02 | 宁波一舟塑胶有限公司 | Thermoplastic elastomer capable of being coated and bonded with glass fiber filled reinforced nylon |
| CN102492253A (en) * | 2011-12-14 | 2012-06-13 | 厦门集优新材料有限公司 | Thermoplastic elastomer for secondary sticky ejection with polyformaldehyde, and preparation method thereof |
| CN103788561A (en) * | 2013-12-20 | 2014-05-14 | 上海日之升新技术发展有限公司 | Thermoplastic elastomer adhering with POM or modified POM at low temperature |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102432976A (en) * | 2011-10-25 | 2012-05-02 | 宁波一舟塑胶有限公司 | Thermoplastic elastomer capable of being coated and bonded with glass fiber filled reinforced nylon |
| CN102492253A (en) * | 2011-12-14 | 2012-06-13 | 厦门集优新材料有限公司 | Thermoplastic elastomer for secondary sticky ejection with polyformaldehyde, and preparation method thereof |
| CN103788561A (en) * | 2013-12-20 | 2014-05-14 | 上海日之升新技术发展有限公司 | Thermoplastic elastomer adhering with POM or modified POM at low temperature |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106928661A (en) * | 2017-04-01 | 2017-07-07 | 广州市凯德热塑性弹性体有限公司 | A kind of food contact level oil resistant TPE material and preparation method thereof |
| CN107353553A (en) * | 2017-08-01 | 2017-11-17 | 余姚优信塑业有限公司 | TPE and its preparation technology are used in a kind of food contact |
| CN109608812A (en) * | 2018-12-27 | 2019-04-12 | 南通普力马弹性体技术有限公司 | A kind of Bottle cap spacer thermoplastic elastic material |
| CN110437602A (en) * | 2019-08-09 | 2019-11-12 | 河源志盛模塑有限公司 | A kind of polyurethane material and preparation method thereof |
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Application publication date: 20161109 |