CN106398139A - Preparation method of sterilizing PET (Polyethylene Terephthalate) plastic - Google Patents
Preparation method of sterilizing PET (Polyethylene Terephthalate) plastic Download PDFInfo
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- CN106398139A CN106398139A CN201610857893.0A CN201610857893A CN106398139A CN 106398139 A CN106398139 A CN 106398139A CN 201610857893 A CN201610857893 A CN 201610857893A CN 106398139 A CN106398139 A CN 106398139A
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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
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
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Abstract
The invention discloses a preparation method of a sterilizing PET (Polyethylene Terephthalate) plastic. The preparation method comprises the following processing steps a, stirring nanometer titanium dioxide powder, nanometer silver powder and chitosan in a stirrer, and preparing to obtain a complex antimicrobial agent; b, stirring PET polyester, the complex antimicrobial agent, an antioxidant, a fire retardant and a plasticizer in a reaction kettle, wherein the stirring temperature is 60 to 100 DEG C, the stirring speed is 150 to 200 rpm per minute, and the stirring time is 20 to 30 min; c, after completing the step b, rising the temperature in the reaction kettle to be 250 DEG C to 300 DEG C, continuously stirring according to the stirring speed of 150 to 200 rpm per minute, and stirring for 1.5 to 2 hours to obtain a polymer melt; d, extruding, pelletizing and drying the polymer melt to obtain PET plastic sections. Through the process step design, the PET plastic prepared by the preparation method provided by the invention has a favorable antimicrobial performance.
Description
Technical field
The present invention relates to plastics arts, more particularly, to a kind of preparation method of sterilization PET.
Background technology
Polyethylene terephthalate resin（Polyethylene terephthalate, abbreviation PET）, Chinese nickname is
Bright PET chips, are commonly called as polyester resin, are high polymer, are referred to as thermoplastic polyester or saturated polyester together with PBT, by
There is dehydration condensation in ethylene glycol terephthalate, be milky or light yellow, highly crystalline polymer, surface
Smooth glossy.
PET has excellent physical and mechanical properties within the scope of wider temperature, and Long-Time Service temperature is up to 120 DEG C, electric
Insulating properties is excellent, or even under high-temperature high-frequency, its electrical property is still preferable, creep resistance, fatigue durability, and rub resistance, size are steady
Qualitative all fine, that is, PET is widely used, and is the important source material of packaging for foodstuff.
It should further be noted that existing PET material does not have bacteriostasis, PET product is caused to use process
Middle breed bacteria, the security during impact use.
Content of the invention
Present invention aims to the deficiencies in the prior art and provide a kind of sterilization PET preparation method, should
PET prepared by the preparation method of sterilized PET has good bactericidal property.
For reaching above-mentioned purpose, the present invention is achieved through the following technical solutions.
A kind of preparation method of sterilization PET, includes following processing step, specially：
A, nanometer titanium dioxide titanium valve, nano-silver powder and shitosan are placed in agitator stirring, to prepare composite antibacterial
Agent, in complex antimicrobials, nanometer titanium dioxide titanium valve, nano-silver powder and shitosan are put the weight portion of three kinds of materials and are followed successively by 20%-
30%、10%-20%、60%-70%；
B, PET polyester, complex antimicrobials, antioxidant, fire retardant, plasticizer are placed in reactor and are stirred, stirring temperature
Spend for 60 DEG C -100 DEG C, mixing speed is 150 rpm -200rpm per minute, mixing time is 20min-30min, PET polyester,
Complex antimicrobials, antioxidant, fire retardant, the weight portion of five kinds of materials of plasticizer be followed successively by 70%-80%, 10%-20%, 3%-5%,
2%-5%、4%-6%；
C, treat step b after the completion of, reactor temperature is increased to 250 DEG C -300 DEG C, according to 150 rpm -200rpm per minute
Mixing speed proceed stir, stirring 1.5 hours -2 hours after can obtain polymer melt；
D, polymer melt is extruded, pelletizing, drying can get PET section.
Wherein, in described step a, in complex antimicrobials, nanometer titanium dioxide titanium valve, nano-silver powder and shitosan put three
The weight portion planting material is followed successively by 20%-25%, 10%-15%, 60%-70%.
Wherein, in described step a, in complex antimicrobials, nanometer titanium dioxide titanium valve, nano-silver powder and shitosan put three
The weight portion planting material is followed successively by 20%, 10%, 70%.
Wherein, PET polyester, complex antimicrobials, antioxidant, fire retardant, five kinds of things of plasticizer in described PET section
The weight portion of material is followed successively by 70%-75%, 15%-20%, 3%-5%, 2%-4%, 4%-6%.
Wherein, PET polyester, complex antimicrobials, antioxidant, fire retardant, five kinds of things of plasticizer in described PET section
The weight portion of material is followed successively by 75%, 15%, 3%, 2%, 5%.
Beneficial effects of the present invention are：A kind of preparation method of sterilization PET of the present invention, it includes following
Processing step：A, nanometer titanium dioxide titanium valve, nano-silver powder and shitosan are placed in agitator stirring, compound to prepare
Antiseptic, in complex antimicrobials, nanometer titanium dioxide titanium valve, nano-silver powder and shitosan are put the weight portion of three kinds of materials and are followed successively by
20%-30%、10%-20%、60%-70%；B, PET polyester, complex antimicrobials, antioxidant, fire retardant, plasticizer are placed in reaction
It is stirred in kettle, whipping temp is 60 DEG C -100 DEG C, mixing speed is 150 rpm -200rpm per minute, mixing time is
20min-30min, PET polyester, complex antimicrobials, antioxidant, fire retardant, the weight portion of five kinds of materials of plasticizer are followed successively by
70%-80%、10%-20%、3%-5%、2%-5%、4%-6%；C, treat step b after the completion of, by reactor temperature be increased to 250 DEG C-
300 DEG C, the mixing speed according to 150 rpm -200rpm per minute proceeds to stir, after stirring 1.5 hours -2 hours
Obtain polymer melt；D, polymer melt is extruded, pelletizing, drying can get PET section.Set by above-mentioned processing step
Meter, the PET prepared by the present invention has good bactericidal property.
Specific embodiment
With reference to specific embodiment, the present invention will be described.
Embodiment one, a kind of preparation method of sterilization PET, include following processing step, specially：
A, nanometer titanium dioxide titanium valve, nano-silver powder and shitosan are placed in agitator stirring, to prepare composite antibacterial
Agent, in complex antimicrobials nanometer titanium dioxide titanium valve, nano-silver powder and shitosan put three kinds of materials weight portion be followed successively by 20%,
10%、70%；
B, PET polyester, complex antimicrobials, antioxidant, fire retardant, plasticizer are placed in reactor and are stirred, stirring temperature
Spend for 60 DEG C -100 DEG C, mixing speed is 150 rpm -200rpm per minute, mixing time is 20min-30min, PET polyester,
Complex antimicrobials, antioxidant, fire retardant, the weight portion of five kinds of materials of plasticizer are followed successively by 75%, 15%, 3%, 2%, 5%；
C, treat step b after the completion of, reactor temperature is increased to 250 DEG C -300 DEG C, according to 150 rpm -200rpm per minute
Mixing speed proceed stir, stirring 1.5 hours -2 hours after can obtain polymer melt；
D, polymer melt is extruded, pelletizing, drying can get PET section.
Wherein, the antioxidant of the present embodiment one is 1,3,5- tri-（The 4- tert-butyl group -3- alkyl -2,6- 3,5-dimethylphenyl）-
1,3,5-triazines -2,4,6-（1H, 3H, 5H）The compound that-triketone and dilauryl thiodipropionate are formed, fire retardant is bromine
Change epoxy, brominated polyphenylene or TDE, plasticizer phthalic acid dibutyl ester or diethyl phthalate.
Designed by above-mentioned processing step, the PET prepared by the present embodiment one has good bactericidal property.
Embodiment two, a kind of preparation method of sterilization PET, include following processing step, specially：
A, nanometer titanium dioxide titanium valve, nano-silver powder and shitosan are placed in agitator stirring, to prepare composite antibacterial
Agent, in complex antimicrobials nanometer titanium dioxide titanium valve, nano-silver powder and shitosan put three kinds of materials weight portion be followed successively by 30%,
10%、60%；
B, PET polyester, complex antimicrobials, antioxidant, fire retardant, plasticizer are placed in reactor and are stirred, stirring temperature
Spend for 60 DEG C -100 DEG C, mixing speed is 150 rpm -200rpm per minute, mixing time is 20min-30min, PET polyester,
Complex antimicrobials, antioxidant, fire retardant, the weight portion of five kinds of materials of plasticizer are followed successively by 70%, 20%, 3%, 2%, 5%；
C, treat step b after the completion of, reactor temperature is increased to 250 DEG C -300 DEG C, according to 150 rpm -200rpm per minute
Mixing speed proceed stir, stirring 1.5 hours -2 hours after can obtain polymer melt；
D, polymer melt is extruded, pelletizing, drying can get PET section.
Wherein, the antioxidant of the present embodiment two is 1,3,5- tri-（The 4- tert-butyl group -3- alkyl -2,6- 3,5-dimethylphenyl）-
1,3,5-triazines -2,4,6-（1H, 3H, 5H）The compound that-triketone and dilauryl thiodipropionate are formed, fire retardant is bromine
Change epoxy, brominated polyphenylene or TDE, plasticizer phthalic acid dibutyl ester or diethyl phthalate.
Designed by above-mentioned processing step, the PET prepared by the present embodiment two has good bactericidal property.
Embodiment three, a kind of preparation method of sterilization PET, include following processing step, specially：
A, nanometer titanium dioxide titanium valve, nano-silver powder and shitosan are placed in agitator stirring, to prepare composite antibacterial
Agent, in complex antimicrobials nanometer titanium dioxide titanium valve, nano-silver powder and shitosan put three kinds of materials weight portion be followed successively by 25%,
10%、65%；
B, PET polyester, complex antimicrobials, antioxidant, fire retardant, plasticizer are placed in reactor and are stirred, stirring temperature
Spend for 60 DEG C -100 DEG C, mixing speed is 150 rpm -200rpm per minute, mixing time is 20min-30min, PET polyester,
Complex antimicrobials, antioxidant, fire retardant, the weight portion of five kinds of materials of plasticizer are followed successively by 80%, 10%, 3%, 2%, 5%；
C, treat step b after the completion of, reactor temperature is increased to 250 DEG C -300 DEG C, according to 150 rpm -200rpm per minute
Mixing speed proceed stir, stirring 1.5 hours -2 hours after can obtain polymer melt；
D, polymer melt is extruded, pelletizing, drying can get PET section.
Wherein, the antioxidant of the present embodiment three is 1,3,5- tri-（The 4- tert-butyl group -3- alkyl -2,6- 3,5-dimethylphenyl）-
1,3,5-triazines -2,4,6-（1H, 3H, 5H）The compound that-triketone and dilauryl thiodipropionate are formed, fire retardant is bromine
Change epoxy, brominated polyphenylene or TDE, plasticizer phthalic acid dibutyl ester or diethyl phthalate.
Designed by above-mentioned processing step, the PET prepared by the present embodiment three has good bactericidal property.
Above content is only presently preferred embodiments of the present invention, for those of ordinary skill in the art, according to the present invention's
Thought, all will change in specific embodiments and applications, and this specification content should not be construed as to the present invention
Restriction.
Claims (5)
1. a kind of preparation method of sterilization PET is it is characterised in that include following processing step, specially：
A, nanometer titanium dioxide titanium valve, nano-silver powder and shitosan are placed in agitator stirring, to prepare composite antibacterial
Agent, in complex antimicrobials, nanometer titanium dioxide titanium valve, nano-silver powder and shitosan are put the weight portion of three kinds of materials and are followed successively by 20%-
30%、10%-20%、60%-70%；
B, PET polyester, complex antimicrobials, antioxidant, fire retardant, plasticizer are placed in reactor and are stirred, stirring temperature
Spend for 60 DEG C -100 DEG C, mixing speed is 150 rpm -200rpm per minute, mixing time is 20min-30min, PET polyester,
Complex antimicrobials, antioxidant, fire retardant, the weight portion of five kinds of materials of plasticizer be followed successively by 70%-80%, 10%-20%, 3%-5%,
2%-5%、4%-6%；
C, treat step b after the completion of, reactor temperature is increased to 250 DEG C -300 DEG C, according to 150 rpm -200rpm per minute
Mixing speed proceed stir, stirring 1.5 hours -2 hours after can obtain polymer melt；
D, polymer melt is extruded, pelletizing, drying can get PET section.
2. according to claim 1 a kind of sterilization PET preparation method it is characterised in that：In described step a,
In complex antimicrobials nanometer titanium dioxide titanium valve, nano-silver powder and shitosan put three kinds of materials weight portion be followed successively by 20%-25%,
10%-15%、60%-70%.
3. according to claim 2 a kind of sterilization PET preparation method it is characterised in that：In described step a,
In complex antimicrobials nanometer titanium dioxide titanium valve, nano-silver powder and shitosan put three kinds of materials weight portion be followed successively by 20%, 10%,
70%.
4. according to claim 1 a kind of sterilization PET preparation method it is characterised in that：Described PET section
Middle PET polyester, complex antimicrobials, antioxidant, fire retardant, the weight portion of five kinds of materials of plasticizer are followed successively by 70%-75%, 15%-
20%、3%-5%、2%-4%、4%-6%.
5. according to claim 4 a kind of sterilization PET preparation method it is characterised in that：Described PET section
Middle PET polyester, complex antimicrobials, antioxidant, fire retardant, the weight portion of five kinds of materials of plasticizer are followed successively by 75%, 15%, 3%,
2%、5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610857893.0A CN106398139A (en) | 2016-09-28 | 2016-09-28 | Preparation method of sterilizing PET (Polyethylene Terephthalate) plastic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610857893.0A CN106398139A (en) | 2016-09-28 | 2016-09-28 | Preparation method of sterilizing PET (Polyethylene Terephthalate) plastic |
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| Publication Number | Publication Date |
|---|---|
| CN106398139A true CN106398139A (en) | 2017-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610857893.0A Pending CN106398139A (en) | 2016-09-28 | 2016-09-28 | Preparation method of sterilizing PET (Polyethylene Terephthalate) plastic |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110117412A (en) * | 2019-04-02 | 2019-08-13 | 苏州海晨塑胶有限公司 | Antibacterial anti-oxidant polyester material of one kind and preparation method thereof |
| CN113896973A (en) * | 2021-11-01 | 2022-01-07 | 北京汽车集团越野车有限公司 | Automobile air duct material, automobile air duct and automobile |
Citations (6)
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| CN103059524A (en) * | 2013-01-06 | 2013-04-24 | 上海秋橙新材料科技有限公司 | Antibacterial PBT plastic |
| CN103483784A (en) * | 2013-09-29 | 2014-01-01 | 太仓市鸿运包装材料有限公司 | Flame-retardant PET (polyethylene glycol terephthalate) heat shrink film and preparation method thereof |
| CN104059341A (en) * | 2014-06-24 | 2014-09-24 | 新疆康润洁环保科技有限公司 | Nano silver polyester biodegradable preservative film, preparation and application thereof |
| CN104594040A (en) * | 2015-02-04 | 2015-05-06 | 江苏明源纺织有限公司 | Functional colored spun yarn, fabric and preparation method thereof |
| CN105017730A (en) * | 2014-04-22 | 2015-11-04 | 上海纽恩特实业有限公司 | PET nano-antibacterial composite material |
| CN105400152A (en) * | 2015-11-25 | 2016-03-16 | 全椒祥瑞塑胶有限公司 | PET plastic with bacteriostasis function |
-
2016
- 2016-09-28 CN CN201610857893.0A patent/CN106398139A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103059524A (en) * | 2013-01-06 | 2013-04-24 | 上海秋橙新材料科技有限公司 | Antibacterial PBT plastic |
| CN103483784A (en) * | 2013-09-29 | 2014-01-01 | 太仓市鸿运包装材料有限公司 | Flame-retardant PET (polyethylene glycol terephthalate) heat shrink film and preparation method thereof |
| CN105017730A (en) * | 2014-04-22 | 2015-11-04 | 上海纽恩特实业有限公司 | PET nano-antibacterial composite material |
| CN104059341A (en) * | 2014-06-24 | 2014-09-24 | 新疆康润洁环保科技有限公司 | Nano silver polyester biodegradable preservative film, preparation and application thereof |
| CN104594040A (en) * | 2015-02-04 | 2015-05-06 | 江苏明源纺织有限公司 | Functional colored spun yarn, fabric and preparation method thereof |
| CN105400152A (en) * | 2015-11-25 | 2016-03-16 | 全椒祥瑞塑胶有限公司 | PET plastic with bacteriostasis function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110117412A (en) * | 2019-04-02 | 2019-08-13 | 苏州海晨塑胶有限公司 | Antibacterial anti-oxidant polyester material of one kind and preparation method thereof |
| CN113896973A (en) * | 2021-11-01 | 2022-01-07 | 北京汽车集团越野车有限公司 | Automobile air duct material, automobile air duct and automobile |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170215 |
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