CN107177103A - A kind of heat-proof combustion-resistant plastic sheeting and preparation method thereof - Google Patents
A kind of heat-proof combustion-resistant plastic sheeting and preparation method thereof Download PDFInfo
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- CN107177103A CN107177103A CN201710585481.0A CN201710585481A CN107177103A CN 107177103 A CN107177103 A CN 107177103A CN 201710585481 A CN201710585481 A CN 201710585481A CN 107177103 A CN107177103 A CN 107177103A
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- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
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- C08J2323/12—Polypropene
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- C08J2429/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
- C08J2429/02—Homopolymers or copolymers of unsaturated alcohols
- C08J2429/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
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- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- C08K2003/2224—Magnesium hydroxide
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- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The invention discloses a kind of heat-proof combustion-resistant plastic sheeting and preparation method thereof, the plastic sheeting includes the raw material of following parts by weight：60~80 parts of acrylic resin, 10~20 parts of polyvinyl alcohol, 3~8 parts of starch, 8~15 parts of nano silicon, 1~5 part of dual-tert-butyl peroxy isopropyl base benzene, 5~10 parts of makrolon, 1~5 part of sodium carboxymethylcellulose, 0.2~0.6 part of inorganic combustion inhibitor, 3~6 parts of plasticizer, 1~5 part of styrene butadiene thermoplastic elastomer (TPE), 0.06~0.28 part of heat stabilizer.Preparation method includes modification and the material hybrid reaction of acrylic resin.Each composition safety non-toxic of plastic sheeting of the present invention, preparation method is simply controllable, with excellent heat-proof combustion-resistant performance, weatherability, plastics light weight, chemical species, the good mechanical performance such as impact strength, tear-resistant intensity.
Description
Technical field
The present invention relates to plastics technical field of membrane, and in particular to a kind of heat-proof combustion-resistant plastic sheeting and preparation method thereof.
Background technology
At present, with expanding economy, plastics are widely used in industry and life.Chinese Plastics film row
Industry is in a booming stage.And as various new materials, new equipment and new technology are constantly emerged in large numbers, will promote
The plastic sheeting of China is towards diversification of varieties, customizations and possesses multi-functional composite membrane direction and develops.Polypropylene conduct
One major class of versatile material, so that its proportion is small, easy processing, corrosion-resistant, nontoxic and high comprehensive performance the features such as and obtain extensively
Using the problem of present most polypropylene film all has inflammable.In addition, forming permanent heat-insulated on door, glass pane
Film, no doubt plays the role of as desired when needing and preventing strong light from excessively raising room temperature, but is needing to be beneficial to sunlight lifting room temperature
Season or period, the presence of thermal isolation film is on the contrary again into obstacle.Direct splash doped tin oxide coatings are still on a glass at this stage
Higher cost is needed, this affects the popularization of heat-insulated membrane technology to a certain extent.
The content of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of heat-proof combustion-resistant plastic sheeting and its system
Preparation Method, each composition safety non-toxic of the plastic sheeting, preparation method is simply controllable, with excellent heat-proof combustion-resistant performance, weather-proof
Property, plastics light weight, chemical species, the good mechanical performance such as impact strength, tear-resistant intensity.
The present invention solves technical problem and adopted the following technical scheme that：
A kind of heat-proof combustion-resistant plastic sheeting, includes the raw material of following parts by weight：60~80 parts of acrylic resin, polyvinyl alcohol 10~
20 parts, 3~8 parts of starch, 8~15 parts of nano silicon, 1~5 part of dual-tert-butyl peroxy isopropyl base benzene, makrolon 5~10
Part, 1~5 part of sodium carboxymethylcellulose, 0.2~0.6 part of inorganic combustion inhibitor, 3~6 parts of plasticizer, styrene-butadiene thermoplasticity
1~5 part of elastomer, 0.06~0.28 part of heat stabilizer.
Preferably, the plastic sheeting includes the raw material of following parts by weight：66 parts of acrylic resin, 15 parts of polyvinyl alcohol,
6 parts of starch, 12 parts of nano silicon, 3 parts of dual-tert-butyl peroxy isopropyl base benzene, 8 parts of makrolon, sodium carboxymethylcellulose 3
Part, 0.5 part of inorganic combustion inhibitor, 5 parts of plasticizer, 2 parts of styrene butadiene thermoplasticelastomer, 0.16 part of heat stabilizer.
Preferably, the acrylic resin is low density polypropylene resin, the weight average molecular weight 9000 of acrylic resin~
12000。
Preferably, the one kind or many of the starch in farina, wheaten starch, sweet potato starch, cornstarch
The combination planted.
Preferably, the inorganic combustion inhibitor in aluminium hydroxide, magnesium hydroxide, antimony oxide, molybdenum disulfide one
Plant or a variety of combinations.
Preferably, the plasticizer is dioctyl phthalate, BBP(Butyl Benzyl Phthalate, the fourth of phthalic acid two
One or more combinations in ester, diisooctyl phthalate.
Preferably, the heat stabilizer be calcium stearate, magnesium stearate, zinc stearate, one kind in castor oil acid calcium or
A variety of combinations.
The preparation method of above-mentioned heat-proof combustion-resistant plastic sheeting, comprises the following steps：
（1）Acrylic resin, polyvinyl alcohol, starch, dual-tert-butyl peroxy isopropyl base benzene, makrolon are weighed according to parts by weight to mix
Close, add in autoclave, be filled with 1~2MPa nitrogen pressurize, stirring reaction 1~2 hour, cold under conditions of 80~100 DEG C
But to after room temperature, milling is taken out, modified acrylic resin is obtained；
（2）Nano silicon, makrolon, sodium carboxymethylcellulose, modified acrylic resin are weighed according to parts by weight,
80~100 DEG C of 30~40min of stirring reaction, add inorganic combustion inhibitor, plasticizer, styrene butadiene thermoplasticelastomer,
Heat stabilizer, is warming up to 120~150 DEG C of 30~50min of reaction, then pours into low temperature drying on the glass plate of preheating, obtains the modeling
Expect film.
Preferably, the glass plate is preheated to 60~80 DEG C and cleans drying in advance.
Compared with prior art, the present invention has following beneficial effect：
（1）The heat-proof combustion-resistant plastic sheeting of the present invention, each composition safety non-toxic, preparation method is simply controllable, with excellent resistance to
Hot fire resistance, weatherability, plastics light weight, chemical species, the good mechanical performance such as impact strength, tear-resistant intensity.
（2）The plastic sheeting of the present invention, so that proportion is small, easy processing, corrosion-resistant, nontoxic and high comprehensive performance polypropylene
Resin is main component, by adding after the adhesive polyethylene alcohol with good biocompatibility and film forming, Heat Gelatinization
With good encapsulated starch and excellent aminoplast crosslinking agent dual-tert-butyl peroxy isopropyl base benzene, polypropylene is substantially improved
The adhesive of resin, workability, film forming；Again with excellent inorganic combustion inhibitor, plasticizer, heat stabilizer, thermoplastic resin
Styrene butadiene thermoplasticelastomer hybrid reaction, further improves the heat-proof combustion-resistant performance and stability of plastic sheeting, fits
Conjunction is promoted the use of.
（3）The present invention plastic sheeting preparation method, acrylic resin is modified first, then with other additives
Hybrid reaction, technique is simply controllable, it is not necessary to complicated equipment, prepares cost low.
Embodiment
Invention is described in further detail below in conjunction with specific embodiment.
Embodiment 1
A kind of heat-proof combustion-resistant plastic sheeting, acrylic resin 66g, polyvinyl alcohol 15g, farina 6g, nano silicon
12g, dual-tert-butyl peroxy isopropyl base benzene 3g, makrolon 8g, sodium carboxymethylcellulose 3g, inorganic combustion inhibitor molybdenum disulfide
0.5g, plasticizer phthalic acid dioctyl ester 5g, styrene butadiene thermoplasticelastomer 2g, heat stabilizer zinc stearate
0.16g。
The preparation method of above-mentioned heat-proof combustion-resistant plastic sheeting, comprises the following steps：
（1）Acrylic resin, polyvinyl alcohol, starch, dual-tert-butyl peroxy isopropyl base benzene, makrolon are weighed according to weight to mix
Close, add in autoclave, be filled with 1~2MPa nitrogen pressurize, stirring reaction 1~2 hour, cold under conditions of 80~100 DEG C
But to after room temperature, milling is taken out, modified acrylic resin is obtained；
（2）Nano silicon, makrolon, sodium carboxymethylcellulose, modified acrylic resin, 80 are weighed according to weight
~100 DEG C of 30~40min of stirring reaction, add inorganic combustion inhibitor, plasticizer, styrene butadiene thermoplasticelastomer, heat
Stabilizer, is warming up to 120~150 DEG C of 30~50min of reaction, then pour into the glass for being preheated to 60~80 DEG C and cleaning drying in advance
Low temperature drying on plate, obtains the plastic sheeting.
Embodiment 2
A kind of heat-proof combustion-resistant plastic sheeting, includes the raw material of following weight：Acrylic resin 68g, polyvinyl alcohol 12g, corn form sediment
It is powder 6g, nano silicon 12g, dual-tert-butyl peroxy isopropyl base benzene 2g, makrolon 7g, sodium carboxymethylcellulose 2g, inorganic
Fire retardant antimony oxide 0.3g, plasticizer phthalic acid dibutyl ester 3g, styrene butadiene thermoplasticelastomer 2g, heat
Stabilizer castor oil acid calcium 0.15g.
The preparation method of above-mentioned heat-proof combustion-resistant plastic sheeting, comprises the following steps：
（1）Acrylic resin, polyvinyl alcohol, starch, dual-tert-butyl peroxy isopropyl base benzene, makrolon are weighed according to weight to mix
Close, add in autoclave, be filled with 1~2MPa nitrogen pressurize, stirring reaction 1~2 hour, cold under conditions of 80~100 DEG C
But to after room temperature, milling is taken out, modified acrylic resin is obtained；
（2）Nano silicon, makrolon, sodium carboxymethylcellulose, modified acrylic resin, 80 are weighed according to weight
~100 DEG C of 30~40min of stirring reaction, add inorganic combustion inhibitor, plasticizer, styrene butadiene thermoplasticelastomer, heat
Stabilizer, is warming up to 120~150 DEG C of 30~50min of reaction, then pour into the glass for being preheated to 60~80 DEG C and cleaning drying in advance
Low temperature drying on plate, obtains the plastic sheeting.
Embodiment 3
A kind of heat-proof combustion-resistant plastic sheeting, includes the raw material of following weight：Acrylic resin 70g, polyvinyl alcohol 15g, wheat form sediment
It is powder 6g, nano silicon 14g, dual-tert-butyl peroxy isopropyl base benzene 3g, makrolon 8g, sodium carboxymethylcellulose 3g, inorganic
Fire retardant aluminium hydroxide 0.5g, plasticizer phthalic acid dibutyl ester 3g, styrene butadiene thermoplasticelastomer 4g, heat are steady
Determine agent zinc stearate 0.22g.
The preparation method of above-mentioned heat-proof combustion-resistant plastic sheeting, comprises the following steps：
（1）Acrylic resin, polyvinyl alcohol, starch, dual-tert-butyl peroxy isopropyl base benzene, makrolon are weighed according to weight to mix
Close, add in autoclave, be filled with 1~2MPa nitrogen pressurize, stirring reaction 1~2 hour, cold under conditions of 80~100 DEG C
But to after room temperature, milling is taken out, modified acrylic resin is obtained；
（2）Nano silicon, makrolon, sodium carboxymethylcellulose, modified acrylic resin, 80 are weighed according to weight
~100 DEG C of 30~40min of stirring reaction, add inorganic combustion inhibitor, plasticizer, styrene butadiene thermoplasticelastomer, heat
Stabilizer, is warming up to 120~150 DEG C of 30~50min of reaction, then pour into the glass for being preheated to 60~80 DEG C and cleaning drying in advance
Low temperature drying on plate, obtains the plastic sheeting.
Embodiment 4
A kind of heat-proof combustion-resistant plastic sheeting, includes the raw material of following weight：Acrylic resin 78g, polyvinyl alcohol 15g, sweet potato are formed sediment
It is powder 5g, nano silicon 13g, dual-tert-butyl peroxy isopropyl base benzene 2g, makrolon 7g, sodium carboxymethylcellulose 3g, inorganic
Fire retardant magnesium hydroxide 0.5g, plasticizer phthalic acid di-isooctyl 5g, styrene butadiene thermoplasticelastomer 4g, heat
Stabilizer calcium stearate 0.23g.
The preparation method of above-mentioned heat-proof combustion-resistant plastic sheeting, comprises the following steps：
（1）Acrylic resin, polyvinyl alcohol, starch, dual-tert-butyl peroxy isopropyl base benzene, makrolon are weighed according to weight to mix
Close, add in autoclave, be filled with 1~2MPa nitrogen pressurize, stirring reaction 1~2 hour, cold under conditions of 80~100 DEG C
But to after room temperature, milling is taken out, modified acrylic resin is obtained；
（2）Nano silicon, makrolon, sodium carboxymethylcellulose, modified acrylic resin, 80 are weighed according to weight
~100 DEG C of 30~40min of stirring reaction, add inorganic combustion inhibitor, plasticizer, styrene butadiene thermoplasticelastomer, heat
Stabilizer, is warming up to 120~150 DEG C of 30~50min of reaction, then pour into the glass for being preheated to 60~80 DEG C and cleaning drying in advance
Low temperature drying on plate, obtains the plastic sheeting.
Embodiment 5
A kind of heat-proof combustion-resistant plastic sheeting, includes the raw material of following weight：Acrylic resin 80g, polyvinyl alcohol 20g, potato
Starch 8g, nano silicon 12g, dual-tert-butyl peroxy isopropyl base benzene 5g, makrolon 7g, sodium carboxymethylcellulose 2g, nothing
Machine fire retardant antimony oxide 0.6g, plasticizer phthalic acid butyl benzyl 6g, styrene butadiene thermoplasticelastomer 5g,
Heat stabilizer magnesium stearate 0.09g.
The preparation method of above-mentioned heat-proof combustion-resistant plastic sheeting, comprises the following steps：
（1）Acrylic resin, polyvinyl alcohol, starch, dual-tert-butyl peroxy isopropyl base benzene, makrolon are weighed according to weight to mix
Close, add in autoclave, be filled with 1~2MPa nitrogen pressurize, stirring reaction 1~2 hour, cold under conditions of 80~100 DEG C
But to after room temperature, milling is taken out, modified acrylic resin is obtained；
（2）Nano silicon, makrolon, sodium carboxymethylcellulose, modified acrylic resin, 80 are weighed according to weight
~100 DEG C of 30~40min of stirring reaction, add inorganic combustion inhibitor, plasticizer, styrene butadiene thermoplasticelastomer, heat
Stabilizer, is warming up to 120~150 DEG C of 30~50min of reaction, then pour into the glass for being preheated to 60~80 DEG C and cleaning drying in advance
Low temperature drying on plate, obtains the plastic sheeting.
Embodiment 6
A kind of heat-proof combustion-resistant plastic sheeting, includes the raw material of following weight：Acrylic resin 80g, polyvinyl alcohol 10g, wheat form sediment
It is powder 6g, nano silicon 14g, dual-tert-butyl peroxy isopropyl base benzene 5g, makrolon 8g, sodium carboxymethylcellulose 5g, inorganic
Fire retardant molybdenum disulfide 0.6g, plasticizer phthalic acid di-isooctyl 6g, styrene butadiene thermoplasticelastomer 4g, heat
Stabilizer zinc stearate 0.25g.
The preparation method of above-mentioned heat-proof combustion-resistant plastic sheeting, comprises the following steps：
（1）Acrylic resin, polyvinyl alcohol, starch, dual-tert-butyl peroxy isopropyl base benzene, makrolon are weighed according to weight to mix
Close, add in autoclave, be filled with 1~2MPa nitrogen pressurize, stirring reaction 1~2 hour, cold under conditions of 80~100 DEG C
But to after room temperature, milling is taken out, modified acrylic resin is obtained；
（2）Nano silicon, makrolon, sodium carboxymethylcellulose, modified acrylic resin, 80 are weighed according to weight
~100 DEG C of 30~40min of stirring reaction, add inorganic combustion inhibitor, plasticizer, styrene butadiene thermoplasticelastomer, heat
Stabilizer, is warming up to 120~150 DEG C of 30~50min of reaction, then pour into the glass for being preheated to 60~80 DEG C and cleaning drying in advance
Low temperature drying on plate, obtains the plastic sheeting.
Embodiment 7
A kind of heat-proof combustion-resistant plastic sheeting, includes the raw material of following weight：Acrylic resin 62g, polyvinyl alcohol 17g, starch 8g,
It is nano silicon 15g, dual-tert-butyl peroxy isopropyl base benzene 5g, makrolon 10g, sodium carboxymethylcellulose 5g, inorganic fire-retarded
Agent aluminium hydroxide 0.6g, plasticizer phthalic acid dioctyl ester 6g, styrene butadiene thermoplasticelastomer 5g, heat stabilizer
Zinc stearate 0.28g.
The preparation method of above-mentioned heat-proof combustion-resistant plastic sheeting, comprises the following steps：
（1）Acrylic resin, polyvinyl alcohol, starch, dual-tert-butyl peroxy isopropyl base benzene, makrolon are weighed according to weight to mix
Close, add in autoclave, be filled with 1~2MPa nitrogen pressurize, stirring reaction 1~2 hour, cold under conditions of 80~100 DEG C
But to after room temperature, milling is taken out, modified acrylic resin is obtained；
（2）Nano silicon, makrolon, sodium carboxymethylcellulose, modified acrylic resin, 80 are weighed according to weight
~100 DEG C of 30~40min of stirring reaction, add inorganic combustion inhibitor, plasticizer, styrene butadiene thermoplasticelastomer, heat
Stabilizer, is warming up to 120~150 DEG C of 30~50min of reaction, then pour into the glass for being preheated to 60~80 DEG C and cleaning drying in advance
Low temperature drying on plate, obtains the plastic sheeting.
Described above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of heat-proof combustion-resistant plastic sheeting, it is characterised in that include the raw material of following parts by weight：Acrylic resin 60~80
Part, 10~20 parts of polyvinyl alcohol, 3~8 parts of starch, 8~15 parts of nano silicon, dual-tert-butyl peroxy isopropyl base benzene 1~5
Part, 5~10 parts of makrolon, 1~5 part of sodium carboxymethylcellulose, 0.2~0.6 part of inorganic combustion inhibitor, 3~6 parts of plasticizer, benzene
1~5 part of ethylene-butylene thermoplastic elastomer (TPE), 0.06~0.28 part of heat stabilizer.
2. heat-proof combustion-resistant plastic sheeting according to claim 1, it is characterised in that the plastic sheeting includes following weight
The raw material of part：66 parts of acrylic resin, 15 parts of polyvinyl alcohol, 6 parts of starch, 12 parts of nano silicon, dual-tert-butyl peroxide are different
3 parts of propylbenzene, 8 parts of makrolon, 3 parts of sodium carboxymethylcellulose, 0.5 part of inorganic combustion inhibitor, 5 parts of plasticizer, styrene-fourth two
2 parts of thermoplastic olefinic elastomer, 0.16 part of heat stabilizer.
3. heat-proof combustion-resistant plastic sheeting according to claim 1, it is characterised in that the acrylic resin is poly- for low-density
Allyl resin, the weight average molecular weight 9000~12000 of acrylic resin.
4. heat-proof combustion-resistant plastic sheeting according to claim 1, it is characterised in that the starch be selected from farina,
One or more combinations in wheaten starch, sweet potato starch, cornstarch.
5. heat-proof combustion-resistant plastic sheeting according to claim 1, it is characterised in that the inorganic combustion inhibitor is selected from hydroxide
One or more combinations in aluminium, magnesium hydroxide, antimony oxide, molybdenum disulfide.
6. heat-proof combustion-resistant plastic sheeting according to claim 1, it is characterised in that the plasticizer is phthalic acid two
One or more groups in monooctyl ester, BBP(Butyl Benzyl Phthalate, dibutyl phthalate, diisooctyl phthalate
Close.
7. heat-proof combustion-resistant plastic sheeting according to claim 1, it is characterised in that the heat stabilizer be calcium stearate,
One or more combinations in magnesium stearate, zinc stearate, castor oil acid calcium.
8. the preparation method of the heat-proof combustion-resistant plastic sheeting according to claim any one of 1-7, it is characterised in that including with
Lower step：
（1）Acrylic resin, polyvinyl alcohol, starch, dual-tert-butyl peroxy isopropyl base benzene, makrolon are weighed according to parts by weight to mix
Close, add in autoclave, be filled with 1~2MPa nitrogen pressurize, stirring reaction 1~2 hour, cold under conditions of 80~100 DEG C
But to after room temperature, milling is taken out, modified acrylic resin is obtained；
（2）Nano silicon, makrolon, sodium carboxymethylcellulose, modified acrylic resin are weighed according to parts by weight,
80~100 DEG C of 30~40min of stirring reaction, add inorganic combustion inhibitor, plasticizer, styrene butadiene thermoplasticelastomer,
Heat stabilizer, is warming up to 120~150 DEG C of 30~50min of reaction, then pours into low temperature drying on the glass plate of preheating, obtains the modeling
Expect film.
9. the preparation method of heat-proof combustion-resistant plastic sheeting according to claim 8, it is characterised in that the glass plate preheating
Clean to 60~80 DEG C and in advance drying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710585481.0A CN107177103A (en) | 2017-07-18 | 2017-07-18 | A kind of heat-proof combustion-resistant plastic sheeting and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710585481.0A CN107177103A (en) | 2017-07-18 | 2017-07-18 | A kind of heat-proof combustion-resistant plastic sheeting and preparation method thereof |
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| CN107177103A true CN107177103A (en) | 2017-09-19 |
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| CN201710585481.0A Pending CN107177103A (en) | 2017-07-18 | 2017-07-18 | A kind of heat-proof combustion-resistant plastic sheeting and preparation method thereof |
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|---|---|
| CN (1) | CN107177103A (en) |
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| CN109135139A (en) * | 2018-05-25 | 2019-01-04 | 安徽猛牛彩印包装有限公司 | A kind of heat-proof combustion-resistant plastic film and preparation method thereof |
| CN109385007A (en) * | 2018-10-18 | 2019-02-26 | 吴江市英力达塑料包装有限公司 | A kind of preparation method and applications of highstrenghtpiston's packaging material |
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| CN105037926A (en) * | 2015-06-26 | 2015-11-11 | 青岛麦科三维高新技术有限公司 | Polypropylene composite material with high impact resistance |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109135139A (en) * | 2018-05-25 | 2019-01-04 | 安徽猛牛彩印包装有限公司 | A kind of heat-proof combustion-resistant plastic film and preparation method thereof |
| CN109385007A (en) * | 2018-10-18 | 2019-02-26 | 吴江市英力达塑料包装有限公司 | A kind of preparation method and applications of highstrenghtpiston's packaging material |
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Application publication date: 20170919 |