CN106046676A - Low-shrinkage antibacterial amino molding plastic - Google Patents
Low-shrinkage antibacterial amino molding plastic Download PDFInfo
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- CN106046676A CN106046676A CN201610526525.8A CN201610526525A CN106046676A CN 106046676 A CN106046676 A CN 106046676A CN 201610526525 A CN201610526525 A CN 201610526525A CN 106046676 A CN106046676 A CN 106046676A
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- low
- shrinkage
- antibacterial
- film plastics
- antibacterial amino
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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
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08L61/30—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic and acyclic or carbocyclic 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
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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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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- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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- Health & Medical Sciences (AREA)
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a low-shrinkage antibacterial amino molding plastic. The low-shrinkage antibacterial amino molding plastic has the advantages that added bamboo pulp and added juice of fresh rumex japonicus meisn are matched with each other, fillers are changed, and accordingly the low-shrinkage antibacterial amino molding plastic is excellent in antibacterial performance; the bamboo pulp and the juice of the fresh rumex japonicus meisn are natural biomass materials, and raw materials can come from wide sources and are low in cost; the shrinkage of the low-shrinkage antibacterial amino molding plastic can be lowered by the aid of added polystyrene; national requirements on environmental protection and sustainable development can be met by the low-shrinkage antibacterial amino molding plastic.
Description
Technical field
The present invention relates to thermosetting plastic technical field, particularly relate to a kind of antibacterial amino film plastics of low-shrinkage.
Background technology
Amino film plastics is to use amino resins, coordinates alpha-cellulose, firming agent and other auxiliary agent to mediate, through powder
Obtaining for compressing moulding compound after broken, ball milling, amino film plastics has excellent arc resistance energy, and material hardness is high,
Scratch resistant, the advantage such as low price, it is widely used in electrical component, article of everyday use and tableware etc..
The development of modern automobile industry, electrical equipment industry and textile industry, the high i.e. dimensionally stable low with shrinkage factor of mechanical strength
The amino film plastics that property is good is increasingly subject to people's attention.
But along with the application of amino film plastics goods constantly expands, environmental aspect is especially complex, in dark humidity
Under environment, plastic easily grows various antibacterial, and goods itself bring the biggest destruction, and therefore exploitation has antibacterial spy
The amino film plastics of property has positive realistic meaning.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of antibacterial amino film plastics of low-shrinkage.
A kind of antibacterial amino film plastics of low-shrinkage, including the composition of following percentage by weight:
The lubricant of amino film plastics is general stearic acid, zinc stearate, calcium stearate, aluminium stearate, magnesium stearate, hard
The stearic acid compounds such as fat acid amide, the mixture that the present invention selects lubricant to be zinc stearate and glycerol.
After adding glycerol, the dispersive property of each raw material of the present invention is more preferable, only need to add a small amount of polystyrene and just may be used
To play the effect of extraordinary reduction shrinkage factor.
Preferably, described zinc stearate and the weight ratio of glycerol are (5-8): 1.
Preferably, the preparation method of described modified bamboo pulp is:
Step A: boiled by acid by bamboo chip, removes the glucide in bamboo chip；
Step B: sulfate displacement cooking；
Step C: add and include that the cooking liquor of water, Caustic soda, sodium sulfide and steaming and decocting accelerator composition carries out steaming and decocting；
Step D, slurry is washed and filters after, add fresh Radix Rumicis Crispi juice.
Preferably, the solid content of the bamboo pulp after washing and filter in described step D is 10-15%, the fresh Radix Rumicis Japonici of addition
The amount of root juice is the 2-5% of bamboo pulp weight.
Having a kind of unique material inside bamboo, this material is named as " bamboo a kind of jade ", has natural demodicid mite antibacterial, anti-, anti-
Smelly, insect protected function.Examine under a microscope, antibacterial in the fibre such as cotton, wooden can amount reproduction, and on bamboo fiber products
Antibacterial not only can not survive for a long time, and can also disappear or reduce in the short time, in 24 hours, bacterial death rate reaches 75%
Above.
Conch meal is by making after high-temperature calcination, pulverizing by natural seashell.Its constituent be calcium carbonate, calcium oxide,
The calcified materials such as calcium hydroxide, this has absorption, the effect decomposing (formaldehyde, benzene, ammonia) etc. and regulation air wet as cellular
The functions such as degree, the conch meal simultaneously fired to including including escherichia coli, Salmonella, staphylococcus aureus etc. multiple carefully
Bacterium has extremely strong antibacterial and bactericidal action, and has the function of anticorrosion, mildew-resistant.
Traditional Plant fiber replaces with by the present invention bamboo fibre mainly by its anti-microbial property, but it is fine only to add bamboo
Tie up limited to the lifting of product anti-microbial property, the present invention there was added in bamboo pulp the fresh Radix Rumicis Crispi juice of excellent anti-bacterium capability, and
Filler is replaced with conch meal, thus the anti-microbial property of product is brought up to preferable effect.
Preferably, the particle diameter of described conch meal is 0.5-2 μm.
A kind of antibacterial amino film plastics of low-shrinkage provided by the present invention, by adding the juice of bamboo pulp and fresh Radix Rumicis Crispi
Match, change filler simultaneously, make material possess extraordinary anti-microbial property；Bamboo pulp is natural biological with the juice of Radix Rumicis Crispi
Material, raw material sources are wide, low cost；Add polystyrene and reduce shrinkage factor；Therefore the antibacterial ammonia of low-shrinkage that the present invention provides
Based molding compound meets the requirement of national environmental protection, sustainable development.
Detailed description of the invention
Embodiments of the invention are described in detail, but the present invention can limit according to claim and cover many
Plant different modes to implement.
Embodiment 1
A kind of antibacterial amino film plastics of low-shrinkage, including the composition of following percentage by weight:
Described lubricant is the mixture of zinc stearate and glycerol.
Described zinc stearate and the weight ratio of glycerol are 7:1.
The preparation method of described modified bamboo pulp is:
Step A: boiled by acid by bamboo chip, removes the glucide in bamboo chip；
Step B: sulfate displacement cooking；
Step C: add and include that the cooking liquor of water, Caustic soda, sodium sulfide and steaming and decocting accelerator composition carries out steaming and decocting；
Step D, slurry is washed and filters after, add fresh Radix Rumicis Crispi juice.
The solid content of the bamboo pulp after washing and filter in described step D is 12%, and the amount of the fresh Radix Rumicis Crispi juice of addition is
The 3% of bamboo pulp weight.
The particle diameter of described conch meal is 0.5-2 μm.
Embodiment 2
A kind of antibacterial amino film plastics of low-shrinkage, including the composition of following percentage by weight:
Described lubricant is the mixture of zinc stearate and glycerol.
Described zinc stearate and the weight ratio of glycerol are 8:1.
The preparation method of described modified bamboo pulp is:
Step A: boiled by acid by bamboo chip, removes the glucide in bamboo chip；
Step B: sulfate displacement cooking；
Step C: add and include that the cooking liquor of water, Caustic soda, sodium sulfide and steaming and decocting accelerator composition carries out steaming and decocting；
Step D, slurry is washed and filters after, add fresh Radix Rumicis Crispi juice.
The solid content of the bamboo pulp after washing and filter in described step D is 15%, and the amount of the fresh Radix Rumicis Crispi juice of addition is
The 2% of bamboo pulp weight.
The particle diameter of described conch meal is 0.5-2 μm.
Embodiment 3
A kind of antibacterial amino film plastics of low-shrinkage, including the composition of following percentage by weight:
Described lubricant is the mixture of zinc stearate and glycerol.
Described zinc stearate and the weight ratio of glycerol are 5:1.
The preparation method of described modified bamboo pulp is:
Step A: boiled by acid by bamboo chip, removes the glucide in bamboo chip；
Step B: sulfate displacement cooking；
Step C: add and include that the cooking liquor of water, Caustic soda, sodium sulfide and steaming and decocting accelerator composition carries out steaming and decocting；
Step D, slurry is washed and filters after, add fresh Radix Rumicis Crispi juice.
The solid content of the bamboo pulp after washing and filter in described step D is 15%, and the amount of the fresh Radix Rumicis Crispi juice of addition is
The 5% of bamboo pulp weight.
The particle diameter of described conch meal is 0.5-2 μm.
Embodiment 4
A kind of antibacterial amino film plastics of low-shrinkage, including the composition of following percentage by weight:
Described lubricant is the mixture of zinc stearate and glycerol.
Described zinc stearate and the weight ratio of glycerol are 6:1.
The preparation method of described modified bamboo pulp is:
Step A: boiled by acid by bamboo chip, removes the glucide in bamboo chip；
Step B: sulfate displacement cooking；
Step C: add and include that the cooking liquor of water, Caustic soda, sodium sulfide and steaming and decocting accelerator composition carries out steaming and decocting；
Step D, slurry is washed and filters after, add fresh Radix Rumicis Crispi juice.
The solid content of the bamboo pulp after washing and filter in described step D is 10%, and the amount of the fresh Radix Rumicis Crispi juice of addition is
The 4% of bamboo pulp weight.
The particle diameter of described conch meal is 0.5-2 μm.
Embodiment 5
A kind of antibacterial amino film plastics of low-shrinkage, including the composition of following percentage by weight:
Described lubricant is the mixture of zinc stearate and glycerol.
Described zinc stearate and the weight ratio of glycerol are 7:1.
The preparation method of described modified bamboo pulp is:
Step A: boiled by acid by bamboo chip, removes the glucide in bamboo chip；
Step B: sulfate displacement cooking；
Step C: add and include that the cooking liquor of water, Caustic soda, sodium sulfide and steaming and decocting accelerator composition carries out steaming and decocting；
Step D, slurry is washed and filters after, add fresh Radix Rumicis Crispi juice.
The solid content of the bamboo pulp after washing and filter in described step D is 12%, and the amount of the fresh Radix Rumicis Crispi juice of addition is
The 3% of bamboo pulp weight.
The particle diameter of described conch meal is 0.5-2 μm.
The weight percentages of components of each specific embodiment please see table:
Test the various physical property of the antibacterial amino film plastics of low-shrinkage of the present invention:
Test the anti-microbial property of the antibacterial amino film plastics of low-shrinkage of the present invention:
From above each detection data, the anti-microbial property of the antibacterial amino film plastics of low-shrinkage prepared by embodiment 1-5
Well.
It is below comparative example
Comparative example 1
Being removed by fresh Radix Rumicis Crispi juice in embodiment 1, other condition is constant, the low-shrinkage antibacterial amino mould of test preparation
The anti-microbial property of plastics:
| Escherichia coli | Candida albicans | Staphylococcus aureus | |
| Embodiment 1 | 97% | 95% | 96% |
| Comparative example 1 | 82% | 90% | 90% |
By comparative example 1 it is recognised that anti-to the antibacterial amino film plastics of low-shrinkage of the present invention of fresh Radix Rumicis Crispi juice
Bacterium performance impact is bigger.
Comparative example 2
Conch meal in embodiment 1 replaces with the calcium carbonate of routine, and other condition is constant, the low-shrinkage of test preparation
The anti-microbial property of antibacterial amino film plastics:
| Escherichia coli | Candida albicans | Staphylococcus aureus | |
| Embodiment 1 | 97% | 95% | 96% |
| Comparative example 2 | 60% | 62% | 75% |
By comparative example 2 it is recognised that the conch meal antibiotic property to the antibacterial amino film plastics of low-shrinkage of the present invention
Can affect the biggest.
Comparative example 3
The particle diameter of the conch meal in embodiment 1 is replaced analysis, and other condition is constant, the low-shrinkage of test preparation
The anti-microbial property of antibacterial amino film plastics:
| Escherichia coli | Candida albicans | Staphylococcus aureus | |
| 10-30μm | 60% | 52% | 85% |
| 5-10μm | 63% | 70% | 87% |
| 2-5μm | 80% | 84% | 90% |
| 0.5-2μm | 97% | 95% | 96% |
| 0.2-0.5μm | 97% | 96% | 96% |
By comparative example 3 it is recognised that the particle diameter of conch meal is the least, antibacterial effect is the best, but particle diameter less than 2 microns with
Time lower, the degree that its antibacterial effect improves substantially reduces, it is considered to composition, and in the present invention, to be preferably 0.5-2 micro-for the particle diameter of conch meal
Rice.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, according to technical scheme and
Inventive concept equivalent or change in addition, all should contain within protection scope of the present invention.
Claims (6)
1. the antibacterial amino film plastics of low-shrinkage, it is characterised in that include the composition of following percentage by weight:
Carbamide 10-20%
Formaldehyde 25-40%
Tripolycyanamide 5-8%
Hexamethylenamine 0.2-1.0%
Lubricant 1-2%
Stearic acid butyl ester 3-8%
Pigment 0.5-2%
Conch meal 3-7%
Polystyrene 0.2-0.4%
Modified bamboo pulp surplus.
2. the antibacterial amino film plastics of low-shrinkage as claimed in claim 1, it is characterised in that described lubricant is stearic acid
Zinc and the mixture of glycerol.
3. the antibacterial amino film plastics of low-shrinkage as claimed in claim 1, it is characterised in that the preparation of described modified bamboo pulp
Method is:
Step A: boiled by acid by bamboo chip, removes the glucide in bamboo chip；
Step B: sulfate displacement cooking；
Step C: add and include that the cooking liquor of water, Caustic soda, sodium sulfide and steaming and decocting accelerator composition carries out steaming and decocting；
Step D, slurry is washed and filters after, add fresh Radix Rumicis Crispi juice.
4. the antibacterial amino film plastics of low-shrinkage as claimed in claim 1, it is characterised in that the particle diameter of described conch meal is
0.5-2μm。
5. the antibacterial amino film plastics of low-shrinkage as claimed in claim 2, it is characterised in that described zinc stearate and the third three
The weight ratio of alcohol is (5-8): 1.
6. the antibacterial amino film plastics of low-shrinkage as claimed in claim 3, it is characterised in that wash also in described step D
The solid content of the bamboo pulp after filtration is 10-15%, the 2-5% that amount is bamboo pulp weight of the fresh Radix Rumicis Crispi juice of addition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610526525.8A CN106046676A (en) | 2016-07-01 | 2016-07-01 | Low-shrinkage antibacterial amino molding plastic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610526525.8A CN106046676A (en) | 2016-07-01 | 2016-07-01 | Low-shrinkage antibacterial amino molding plastic |
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| Publication Number | Publication Date |
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| CN106046676A true CN106046676A (en) | 2016-10-26 |
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| CN201610526525.8A Pending CN106046676A (en) | 2016-07-01 | 2016-07-01 | Low-shrinkage antibacterial amino molding plastic |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101921454A (en) * | 2010-05-21 | 2010-12-22 | 常州乔尔塑料有限公司 | Novel low-shrinkage amino moulding compound and preparation method thereof |
| CN102978993A (en) * | 2012-11-26 | 2013-03-20 | 四川银鸽竹浆纸业有限公司 | Bamboo fiber dissolving pulp and production technology thereof |
| CN103011682A (en) * | 2011-09-20 | 2013-04-03 | 吉林省贝安环保材料有限公司 | Ecological shell powder inorganic nanometer composite coating material and preparation method thereof |
| CN104277415A (en) * | 2014-10-14 | 2015-01-14 | 常州乔尔塑料有限公司 | Long-acting antibacterial amino molding compound |
| CN104351253A (en) * | 2014-09-23 | 2015-02-18 | 江阴宝易德医疗科技有限公司 | Natural antibacterial adsorption ultrafine powder and preparation method thereof |
-
2016
- 2016-07-01 CN CN201610526525.8A patent/CN106046676A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101921454A (en) * | 2010-05-21 | 2010-12-22 | 常州乔尔塑料有限公司 | Novel low-shrinkage amino moulding compound and preparation method thereof |
| CN103011682A (en) * | 2011-09-20 | 2013-04-03 | 吉林省贝安环保材料有限公司 | Ecological shell powder inorganic nanometer composite coating material and preparation method thereof |
| CN102978993A (en) * | 2012-11-26 | 2013-03-20 | 四川银鸽竹浆纸业有限公司 | Bamboo fiber dissolving pulp and production technology thereof |
| CN104351253A (en) * | 2014-09-23 | 2015-02-18 | 江阴宝易德医疗科技有限公司 | Natural antibacterial adsorption ultrafine powder and preparation method thereof |
| CN104277415A (en) * | 2014-10-14 | 2015-01-14 | 常州乔尔塑料有限公司 | Long-acting antibacterial amino molding compound |
Non-Patent Citations (2)
| Title |
|---|
| 季宇彬: "《抗癌中药药理与应用》", 28 February 1999 * |
| 宋学军: "《最神奇的材料 纤维》", 31 July 2014 * |
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