CN110144129A - A kind of degradable light plastic bag of heat resistant type and preparation method thereof - Google Patents
A kind of degradable light plastic bag of heat resistant type and preparation method thereof Download PDFInfo
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- CN110144129A CN110144129A CN201910432905.9A CN201910432905A CN110144129A CN 110144129 A CN110144129 A CN 110144129A CN 201910432905 A CN201910432905 A CN 201910432905A CN 110144129 A CN110144129 A CN 110144129A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2300/00—Characterised by the use of unspecified polymers
- C08J2300/16—Biodegradable polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2401/02—Cellulose; Modified cellulose
- C08J2401/04—Oxycellulose; Hydrocellulose
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- C08J2461/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
- C08J2461/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08J2461/22—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
- C08J2461/24—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with urea or thiourea
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/322—Ammonium phosphate
- C08K2003/323—Ammonium polyphosphate
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/346—Clay
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Abstract
The present invention discloses a kind of degradable light plastic bag of heat resistant type and preparation method thereof, including following parts by weight composition: 40-50 part of short chain fiber, 3-5 parts of vegetalitas curing agent, 3-4 parts of vegetalitas setting agent, 3-7 parts of ammonium polyphosphate, 2-3 parts of antioxidant, 0.5-1 parts of thickener, 0.5-1 parts of emulsifier, fills powder 1-2 parts at 20-30 parts of Lauxite.The degradable light plastic bag of heat resistant type provided by the invention, using short chain fiber as important substance in raw material, since short its molecular weight of chain fiber is smaller, once abandoned, also can substantially increase its degradation rate by fast degradation.And preparation method through the invention, it ensure that the quick blow molding of polybag, improve work preparation efficiency.
Description
Technical field
The invention belongs to environment-friendly materials preparation technical fields, and in particular to a kind of degradable light plastic bag of heat resistant type and its
Preparation method.
Background technique
Polybag, because its is cheap, light-weight, capacity is big, is widely used as in daily life convenient for storage, polybag
It is using plastics as sack made of primary raw material, is essential article in people's daily life, but again because of its hand of degrading
The disadvantages of gas is long, and processing is difficult, so being forbidden by many countries.
For the rate of more rapidly degradative plastics bag product, the polybag of present environment-friendly type is the side that various countries are generally studied
To.Present conventional plastic bag mostly uses greatly long-chain polybag to improve the tensile strength and heat resistance of polybag,
Although this polybag can be while improving tensile strength and heat resistance, the big heavy discount of its degradation capability, long-chain
For fiber actual in use, being once dropped, the rate of degradation is extremely long.
Summary of the invention
In view of the deficiencies of the prior art, the purpose of the present invention is to provide a kind of degradable light plastic bag of heat resistant type and its
Preparation method solves long-chain fiber polybag in the prior art, the larger technical problem of degradation difficulty.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of degradable light plastic bag of heat resistant type, including following parts by weight composition: 40-50 parts of short chain fiber, ureaformaldehyde tree
20-30 parts of rouge, 3-4 parts of vegetalitas setting agent, 3-7 parts of ammonium polyphosphate, 2-3 parts of antioxidant, increases 3-5 parts of vegetalitas curing agent
Thick dose 0.5-1 parts, 0.5-1 parts of emulsifier, powder 1-2 parts of filling.
Further, including following parts by weight form: 45 parts of short chain fiber, 23 parts of Lauxite, vegetalitas curing agent 4
Part, 4 parts of vegetalitas setting agent, 5 parts of ammonium polyphosphate, 3 parts of antioxidant, 0.6 part of thickener, 0.7 part of emulsifier, 1 part of powder of filling.
Further, the relative molecular mass of the short chain fiber is 17000-21000.
Further, the antioxidant is 3- (3,5- di-t-butyl -4- hydroxyl) propionic acid octadecyl ester, three (2,4- bis- uncles
Butyl phenyl) the phosphite ester component of 1:1 by weight mixes.
Further, the filling powder includes kaolin, mica powder, microcrystalline cellulose, bentonite according to weight
3:1:0.5:0.5 ratio mix.
Further, the preparation method of the filling powder is: kaolin, mica powder being mixed, and is added and accounts for 4 times of total weight
Water, stirring 4-5h mixing, and controlled at 62-70 DEG C；Microcrystalline cellulose, the bentonite of parts by weight are added again, stir 1-
2h, and controlled at 34-40 DEG C；It is subsequently placed in dryer dry 10-12h under the conditions of 70-80 DEG C of temperature, is taken out,
Crushed into powder.
The preparation method of the degradable light plastic bag of the heat resistant type, includes the following steps:
1) short chain fiber is added in the sodium hydroxide solution that mass concentration is 10% by weight and is infiltrated, and increase temperature
Degree then takes out to 40-50 DEG C of heat preservation 2-3h, is placed in drying box and dries；
2) the short chain fiber that step 1) is processed is added in fusion pool, and three times volume of water is added, control reaction temperature
It is 187-192 DEG C, adds Lauxite, vegetalitas curing agent, ammonium polyphosphate, thickener, cream by weight in the case where stirring environment
Agent, kaolin, reaction time 2-3h；
3) in the mixture of step 2) processing, continue to add vegetalitas setting agent, antioxidant, control reaction temperature is
120-128 DEG C, the reaction was continued in the case where stirring environment 10min；
4) step 3) molten state liquid is blow molded into plastic film by inflation film manufacturing machine；
5) according to use demand, plastic film is subjected to cutting molding.
Further, the temperature of drying box is controlled at 40-48 DEG C in the step 1).
Further, vegetalitas setting agent, antioxidant are using first mixing in the step 3), then along fusion pool
Pool wall is slowly added dropwise, and the mode of side stirring is added in fusion pool.
Beneficial effects of the present invention:
1, the degradable light plastic bag of heat resistant type provided by the invention, using short chain fiber as important object in raw material
Matter, since short its molecular weight of chain fiber is smaller, once abandoned, also can substantially increase its degradation rate by fast degradation.
2, for the present invention due to the filling powder added in the feed, filling powder is interior to be rich in kaolin and microcrystalline cellulose, can
In the actual use process, the tensile strength between short chain fiber is improved, while vicat softening point temperature is also improved.
3, preparation method provided by the invention effectively realizes not easily runing off for each component, and preparation method is easy, protects
The quick blow molding for having demonstrate,proved polybag, improves work preparation efficiency.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, all other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Embodiment 1:
A kind of degradable light plastic bag of heat resistant type, including following parts by weight composition: short chain fiber 45kg, Lauxite
23kg, vegetalitas curing agent 4kg, vegetalitas setting agent 4kg, ammonium polyphosphate 5kg, antioxidant 3kg, thickener 0.6kg, emulsification
Agent 0.7kg, filling powder 1kg.
Wherein: the relative molecular mass of short chain fiber is 17000-21000；Antioxidant is 3- (3,5- di-t-butyl -4-
Hydroxyl) propionic acid octadecyl ester, three (2,4- di-tert-butyl-phenyl) the phosphite ester components of 1:1 by weight mix；Fill powder
It is mixed including kaolin, mica powder, microcrystalline cellulose, bentonite according to the ratio of weight 3:1:0.5:0.5.
Filling powder the preparation method comprises the following steps: kaolin, mica powder are mixed by weight, and be added and account for 4 times of total weight of water,
5h mixing is stirred, and controlled at 67 DEG C；
Microcrystalline cellulose, the bentonite of parts by weight are added again, stir 2h, and controlled at 34 DEG C；
It is subsequently placed in dryer dry 10h under the conditions of 80 DEG C of temperature, is taken out, crushed into powder.
The preparation method of the degradable light plastic bag of heat resistant type, includes the following steps:
1) short chain fiber is added in the sodium hydroxide solution that mass concentration is 10% by weight and is infiltrated, and increase temperature
Degree then takes out to 3h is kept the temperature under 45 DEG C of environment, and after being cleaned with clear water, is placed in drying box and dries under 45 DEG C of temperature environment
It is dry；
2) the short chain fiber that step 1) is processed is added in fusion pool, and three times volume of water is added, control reaction temperature
Be 189 DEG C, added by weight in the case where stirring environment Lauxite, vegetalitas curing agent, ammonium polyphosphate, thickener, emulsifier,
Kaolin, reaction time 3h；
3) in the mixture of step 2) processing, continue to add vegetalitas setting agent, antioxidant, control reaction temperature is
125 DEG C, the reaction was continued in the case where stirring environment 10min, vegetalitas setting agent, antioxidant are using first mixing in step 3), then
It is slowly added dropwise along the pool wall of fusion pool, and the mode of side stirring is added in fusion pool；
4) step 3) molten state liquid is blow molded into plastic film by inflation film manufacturing machine；
5) according to use demand, plastic film is subjected to cutting molding.
Embodiment 2:
A kind of degradable light plastic bag of heat resistant type, including following parts by weight composition: short chain fiber 40kg, Lauxite
25kg, vegetalitas curing agent 3kg, vegetalitas setting agent 4kg, ammonium polyphosphate 3kg, antioxidant 3kg, thickener 0.6kg, emulsification
Agent 0.9kg, filling powder 1kg.
Wherein: the relative molecular mass of short chain fiber is 17000-21000；Antioxidant is 3- (3,5- di-t-butyl -4-
Hydroxyl) propionic acid octadecyl ester, three (2,4- di-tert-butyl-phenyl) the phosphite ester components of 1:1 by weight mix；Fill powder
It is mixed including kaolin, mica powder, microcrystalline cellulose, bentonite according to the ratio of weight 3:1:0.5:0.5.
Filling powder the preparation method comprises the following steps: kaolin, mica powder are mixed by weight, and be added and account for 4 times of total weight of water,
4h mixing is stirred, and controlled at 62 DEG C；
Microcrystalline cellulose, the bentonite of parts by weight are added again, stir 2h, and controlled at 35 DEG C；
It is subsequently placed in dryer dry 10h under the conditions of 78 DEG C of temperature, is taken out, crushed into powder.
The preparation method of the degradable light plastic bag of heat resistant type, includes the following steps:
1) short chain fiber is added in the sodium hydroxide solution that mass concentration is 10% by weight and is infiltrated, and increase temperature
Degree then takes out to 3h is kept the temperature under 42 DEG C of environment, and after being cleaned with clear water, is placed in drying box and dries under 48 DEG C of temperature environment
It is dry；
2) the short chain fiber that step 1) is processed is added in fusion pool, and three times volume of water is added, control reaction temperature
Be 192 DEG C, added by weight in the case where stirring environment Lauxite, vegetalitas curing agent, ammonium polyphosphate, thickener, emulsifier,
Kaolin, reaction time 2h；
3) in the mixture of step 2) processing, continue to add vegetalitas setting agent, antioxidant, control reaction temperature is
128 DEG C, the reaction was continued in the case where stirring environment 10min, vegetalitas setting agent, antioxidant are using first mixing in step 3), then
It is slowly added dropwise along the pool wall of fusion pool, and the mode of side stirring is added in fusion pool；
4) step 3) molten state liquid is blow molded into plastic film by inflation film manufacturing machine；
5) according to use demand, plastic film is subjected to cutting molding.
Embodiment 3:
A kind of degradable light plastic bag of heat resistant type, including following parts by weight composition: short chain fiber 42kg, Lauxite
20kg, vegetalitas curing agent 5kg, vegetalitas setting agent 3kg, ammonium polyphosphate 7kg, antioxidant 2kg, thickener 0.5kg, emulsification
Agent 0.8kg, filling powder 1.5kg.
Wherein: the relative molecular mass of short chain fiber is 17000-21000；Antioxidant is 3- (3,5- di-t-butyl -4-
Hydroxyl) propionic acid octadecyl ester, three (2,4- di-tert-butyl-phenyl) the phosphite ester components of 1:1 by weight mix；Fill powder
It is mixed including kaolin, mica powder, microcrystalline cellulose, bentonite according to the ratio of weight 3:1:0.5:0.5.
Filling powder the preparation method comprises the following steps: kaolin, mica powder are mixed by weight, and be added and account for 4 times of total weight of water,
4h mixing is stirred, and controlled at 70 DEG C；
Microcrystalline cellulose, the bentonite of parts by weight are added again, stir 1h, and controlled at 38 DEG C；
It is subsequently placed in dryer dry 11h under the conditions of 73 DEG C of temperature, is taken out, crushed into powder.
The preparation method of the degradable light plastic bag of heat resistant type, includes the following steps:
1) short chain fiber is added in the sodium hydroxide solution that mass concentration is 10% by weight and is infiltrated, and increase temperature
Degree then takes out to 2h is kept the temperature under 50 DEG C of environment, and after being cleaned with clear water, is placed in drying box and dries under 48 DEG C of temperature environment
It is dry；
2) the short chain fiber that step 1) is processed is added in fusion pool, and three times volume of water is added, control reaction temperature
Be 187 DEG C, added by weight in the case where stirring environment Lauxite, vegetalitas curing agent, ammonium polyphosphate, thickener, emulsifier,
Kaolin, reaction time 3h；
3) in the mixture of step 2) processing, continue to add vegetalitas setting agent, antioxidant, control reaction temperature is
120 DEG C, the reaction was continued in the case where stirring environment 10min, vegetalitas setting agent, antioxidant are using first mixing in step 3), then
It is slowly added dropwise along the pool wall of fusion pool, and the mode of side stirring is added in fusion pool；
4) step 3) molten state liquid is blow molded into plastic film by inflation film manufacturing machine；
5) according to use demand, plastic film is subjected to cutting molding.
Embodiment 4:
A kind of degradable light plastic bag of heat resistant type, including following parts by weight composition: short chain fiber 50kg, Lauxite
28kg, vegetalitas curing agent 4kg, vegetalitas setting agent 4kg, ammonium polyphosphate 7kg, antioxidant 2kg, thickener 1kg, emulsifier
1kg, filling powder 2kg.
Wherein: the relative molecular mass of short chain fiber is 17000-21000；Antioxidant is 3- (3,5- di-t-butyl -4-
Hydroxyl) propionic acid octadecyl ester, three (2,4- di-tert-butyl-phenyl) the phosphite ester components of 1:1 by weight mix；Fill powder
It is mixed including kaolin, mica powder, microcrystalline cellulose, bentonite according to the ratio of weight 3:1:0.5:0.5.
Filling powder the preparation method comprises the following steps: kaolin, mica powder are mixed by weight, and be added and account for 4 times of total weight of water,
4h mixing is stirred, and controlled at 70 DEG C；
Microcrystalline cellulose, the bentonite of parts by weight are added again, stir 2h, and controlled at 40 DEG C；
It is subsequently placed in dryer dry 12h under the conditions of 70 DEG C of temperature, is taken out, crushed into powder.
The preparation method of the degradable light plastic bag of heat resistant type, includes the following steps:
1) short chain fiber is added in the sodium hydroxide solution that mass concentration is 10% by weight and is infiltrated, and increase temperature
Degree then takes out to 3h is kept the temperature under 48 DEG C of environment, and after being cleaned with clear water, is placed in drying box and dries under 40 DEG C of temperature environment
It is dry；
2) the short chain fiber that step 1) is processed is added in fusion pool, and three times volume of water is added, control reaction temperature
Be 190 DEG C, added by weight in the case where stirring environment Lauxite, vegetalitas curing agent, ammonium polyphosphate, thickener, emulsifier,
Kaolin, reaction time 2h；
3) in the mixture of step 2) processing, continue to add vegetalitas setting agent, antioxidant, control reaction temperature is
120 DEG C, the reaction was continued in the case where stirring environment 10min；Wherein vegetalitas setting agent, antioxidant are used and are first mixed in step 3),
It is slowly added dropwise then along the pool wall of fusion pool, and the mode of side stirring is added in fusion pool；
4) step 3) molten state liquid is blow molded into plastic film by inflation film manufacturing machine；
5) according to use demand, plastic film is subjected to cutting molding.
Embodiment 5:
A kind of degradable light plastic bag of heat resistant type, including following parts by weight composition: short chain fiber 47kg, Lauxite
30kg, vegetalitas curing agent 3kg, vegetalitas setting agent 3kg, ammonium polyphosphate 4kg, antioxidant 3kg, thickener 0.8kg, emulsification
Agent 0.5kg, filling powder 1.5kg.
Wherein: the relative molecular mass of short chain fiber is 17000-21000；Antioxidant is 3- (3,5- di-t-butyl -4-
Hydroxyl) propionic acid octadecyl ester, three (2,4- di-tert-butyl-phenyl) the phosphite ester components of 1:1 by weight mix；Fill powder
It is mixed including kaolin, mica powder, microcrystalline cellulose, bentonite according to the ratio of weight 3:1:0.5:0.5.
Filling powder the preparation method comprises the following steps: kaolin, mica powder are mixed by weight, and be added and account for 4 times of total weight of water,
5h mixing is stirred, and controlled at 68 DEG C；
Microcrystalline cellulose, the bentonite of parts by weight are added again, stir 2h, and controlled at 38 DEG C；
It is subsequently placed in dryer dry 12h under the conditions of 72 DEG C of temperature, is taken out, crushed into powder.
The preparation method of the degradable light plastic bag of heat resistant type, includes the following steps:
1) short chain fiber is added in the sodium hydroxide solution that mass concentration is 10% by weight and is infiltrated, and increase temperature
Degree then takes out to 3h is kept the temperature under 48 DEG C of environment, and after being cleaned with clear water, is placed in drying box and dries under 48 DEG C of temperature environment
It is dry；
2) the short chain fiber that step 1) is processed is added in fusion pool, and three times volume of water is added, control reaction temperature
Be 187 DEG C, added by weight in the case where stirring environment Lauxite, vegetalitas curing agent, ammonium polyphosphate, thickener, emulsifier,
Kaolin, reaction time 2h；
3) in the mixture of step 2) processing, continue to add vegetalitas setting agent, antioxidant, control reaction temperature is
128 DEG C, the reaction was continued in the case where stirring environment 10min；Wherein vegetalitas setting agent, antioxidant are used and are first mixed in step 3),
It is slowly added dropwise then along the pool wall of fusion pool, and the mode of side stirring is added in fusion pool；
4) step 3) molten state liquid is blow molded into plastic film by inflation film manufacturing machine；
5) according to use demand, plastic film is subjected to cutting molding.
Its performance is as shown in the table:
Above-mentioned comparative example is directly to choose common and public offering polybag in the market.
In conclusion the degradable light plastic bag of heat resistant type provided by the present application, short chain fiber conduct is used in raw material
Important substance, since short its molecular weight of chain fiber is smaller, once abandoned, also can substantially increase its degradation by fast degradation
Rate.
Simultaneously because the filling powder added in the feed, filling powder is interior to be rich in kaolin and microcrystalline cellulose, can be in reality
In the use process on border, the tensile strength between short chain fiber is improved, while vicat softening point temperature is also improved.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.
Claims (9)
1. a kind of degradable light plastic bag of heat resistant type, which is characterized in that formed including following parts by weight: short chain fiber 40-50
Part, 20-30 parts of Lauxite, 3-5 parts of vegetalitas curing agent, 3-4 parts of vegetalitas setting agent, 3-7 parts of ammonium polyphosphate, antioxidant
2-3 parts, 0.5-1 parts of thickener, 0.5-1 parts of emulsifier, powder 1-2 parts of filling.
2. the degradable light plastic bag of heat resistant type according to claim 1, which is characterized in that including following parts by weight group
At: 45 parts of short chain fiber, 23 parts of Lauxite, 4 parts of vegetalitas curing agent, 4 parts of vegetalitas setting agent, 5 parts of ammonium polyphosphate, antioxygen
3 parts of agent, 0.6 part of thickener, 0.7 part of emulsifier, 1 part of powder of filling.
3. the degradable light plastic bag of heat resistant type according to claim 2, which is characterized in that the short chain fiber it is opposite
Molecular mass is 17000-21000.
4. the degradable light plastic bag of heat resistant type according to claim 2, which is characterized in that the antioxidant is 3-
(3,5- di-t-butyl -4- hydroxyl) propionic acid octadecyl ester, three (2,4- di-tert-butyl-phenyl) phosphite esters component of 1:1 by weight
It mixes.
5. the degradable light plastic bag of heat resistant type according to claim 2, which is characterized in that the filling powder includes kaolinite
Soil, mica powder, microcrystalline cellulose, bentonite are mixed according to the ratio of weight 3:1:0.5:0.5.
6. the degradable light plastic bag of heat resistant type according to claim 5, which is characterized in that the preparation side of the filling powder
Method is: kaolin, mica powder being mixed, and addition accounts for 4 times of total weight of water, stirring 4-5h is mixed, and controlled at 62-70
℃；Microcrystalline cellulose, the bentonite of parts by weight are added again, stir 1-2h, and controlled at 34-40 DEG C；It is subsequently placed at drying
10-12h is dried in machine under the conditions of 70-80 DEG C of temperature, is taken out, crushed into powder.
7. the preparation method of the degradable light plastic bag of heat resistant type according to claim 1-6, which is characterized in that
Include the following steps:
1) short chain fiber is added in the sodium hydroxide solution that mass concentration is 10% by weight and is infiltrated, and increase temperature extremely
40-50 DEG C of heat preservation 2-3h then takes out, is placed in drying box and dries；
2) the short chain fiber that step 1) is processed is added in fusion pool, and three times volume of water is added, control reaction temperature is
187-192 DEG C, add Lauxite, vegetalitas curing agent, ammonium polyphosphate, thickener, emulsification by weight in the case where stirring environment
Agent, kaolin, reaction time 2-3h；
3) in the mixture of step 2) processing, continue to add vegetalitas setting agent, antioxidant, control reaction temperature is 120-
128 DEG C, the reaction was continued in the case where stirring environment 10min；
4) step 3) molten state liquid is blow molded into plastic film by inflation film manufacturing machine；
5) according to use demand, plastic film is subjected to cutting molding.
8. the preparation method of the degradable light plastic bag of heat resistant type according to claim 7, which is characterized in that the step
1) temperature of drying box is controlled at 40-48 DEG C in.
9. the preparation method of the degradable light plastic bag of heat resistant type according to claim 7, which is characterized in that the step
3) vegetalitas setting agent, antioxidant are slowly added dropwise using first mixing then along the pool wall of fusion pool in, and the side of side stirring
Formula is added in fusion pool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910432905.9A CN110144129A (en) | 2019-05-23 | 2019-05-23 | A kind of degradable light plastic bag of heat resistant type and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910432905.9A CN110144129A (en) | 2019-05-23 | 2019-05-23 | A kind of degradable light plastic bag of heat resistant type and preparation method thereof |
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| CN110144129A true CN110144129A (en) | 2019-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910432905.9A Pending CN110144129A (en) | 2019-05-23 | 2019-05-23 | A kind of degradable light plastic bag of heat resistant type and preparation method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN110144129A (en) |
-
2019
- 2019-05-23 CN CN201910432905.9A patent/CN110144129A/en active Pending
Non-Patent Citations (1)
| Title |
|---|
| 丁彤 等: "《中国化工产品大全（上）》", 31 October 1994, 化学工业出版社 * |
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Application publication date: 20190820 |