CN107778608A - High intensity antibiotic plastic and preparation method thereof - Google Patents
High intensity antibiotic plastic and preparation method thereof Download PDFInfo
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- CN107778608A CN107778608A CN201610710341.7A CN201610710341A CN107778608A CN 107778608 A CN107778608 A CN 107778608A CN 201610710341 A CN201610710341 A CN 201610710341A CN 107778608 A CN107778608 A CN 107778608A
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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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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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of high intensity antibiotic plastic and preparation method thereof, including：First by raw material and mixed, be heat-treated to form mixture；High intensity antibiotic plastic is made in the mixture extrusion molding again；Wherein raw material includes polyvinyl resin, makrolon, inserts, plasticizer, starch and chitin fiber, relative to the polyvinyl resin of 100 parts by weight, the dosage of the makrolon is 30 40 parts by weight, the dosage of the inserts is 10 25 parts by weight, the dosage of the plasticizer is 1 10 parts by weight, the dosage of the starch is 10 20 parts by weight, and the dosage of the chitin fiber is 10 30 parts by weight.There is excellent mechanical strength and good anti-microbial property by high intensity antibiotic plastic made from this method, while the raw material in the preparation method is easy to get and the high intensity antibiotic plastic is produced in batches.
Description
Technical field
The present invention relates to plastics, and in particular to high intensity antibiotic plastic and preparation method thereof.
Background technology
Plastics are essential in people's daily life, held to people in food, transport aspect bring it is very big
It is convenient.Plastics are the high-molecular compounds that are formed by addition polymerization or polycondensation polymerized using monomer as raw material, are commonly called as plastics or tree
Fat, it can freely change composition and body styles, be added by synthetic resin and filler, plasticizer, stabilizer, lubricant, colorant etc.
Agent is added to form.
Plastics are seen everywhere in daily life, for example the holding vessel major part of some solids, liquid is all plastics system
Product.It is very big convenient that plastics are brought to the life of people, and with the extensive use of plastics, some shortcomings of plastics are also just sudden and violent therewith
Dew.Such as the intensity of most plastic products does not reach the requirement used far, at high or low temperatures using yielding rupture
Deng which limits the further use of plastics.In addition, plastic applications also have certain want when food service industry to its antibiotic property
Ask.
The content of the invention
It is an object of the invention to provide a kind of high intensity antibiotic plastic and preparation method thereof, by high-strength made from this method
Degree antibiotic plastic has an excellent mechanical strength, and at high or low temperatures it is long-term use of it is indeformable, do not rupture；This is high-strength simultaneously
Degree antibiotic plastic has good anti-microbial property；In addition, the raw material in the preparation method is easy to get so that the high intensity antibiotic plastic
It can produce in batches.
To achieve these goals, the invention provides a kind of preparation method of high intensity antibiotic plastic, including：First by original
Material is mixed, is heat-treated to form mixture；High intensity antibiotic plastic is made in the mixture extrusion molding again；
Wherein, the raw material includes polyvinyl resin, makrolon, inserts, plasticizer, starch and chitin fiber；
Relative to the polyvinyl resin of 100 parts by weight, the dosage of the makrolon is 30-40 parts by weight, the inserts
Dosage is 10-25 parts by weight, and the dosage of the plasticizer is 1-10 parts by weight, and the dosage of the starch is 10-20 parts by weight, institute
The dosage for stating chitin fiber is 10-30
Present invention also offers a kind of high intensity antibiotic plastic, the high intensity antibiotic plastic passes through above-mentioned preparation method system
.
Pass through above-mentioned technical proposal, the present invention on the film-forming base of polyvinyl resin and makrolon by with the addition of tool
There is the plasticizer of synergy, while also added inserts (fiber, asbestos, silica and kaolinite with flame retardant effect
It is two or more in soil) and chitin fiber.Cooperative reinforcing between each raw material, which acts on, to be caused by high made from this method
Intensity antibiotic plastic has an excellent mechanical strength, and plastics at high or low temperatures it is long-term use of it is indeformable, do not rupture；Simultaneously
Chitin fiber can significantly improve the anti-microbial property of plastics, and the raw material in the preparation method is easy to get so that the high intensity resists in addition
Bacterium plastics can be produced in batches.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Embodiment
The embodiment of the present invention is described in detail below.It is it should be appreciated that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.
The invention discloses a kind of preparation method of high intensity antibiotic plastic, including：First by raw material and mixed, heat at
Reason forms mixture；High intensity antibiotic plastic is made in the mixture extrusion molding again；Wherein raw material include polyvinyl resin,
Makrolon, inserts, plasticizer, starch and chitin fiber, it is described relative to the polyvinyl resin of 100 parts by weight
The dosage of makrolon is 30-40 parts by weight, and the dosage of the inserts is 10-25 parts by weight, and the dosage of the plasticizer is
1-10 parts by weight, the dosage of the starch is 10-20 parts by weight, and the dosage of the chitin fiber is 10-30 parts by weight.
In the present invention, polyvinyl resin, the molecular weight of makrolon can select in wide scope, but in order that
Obtained high intensity antibiotic plastic has more excellent mechanical performance, it is preferable that the weight average molecular weight of polyvinyl resin is 30,000-5
Ten thousand, the weight average molecular weight of makrolon is 20,000-4 ten thousand.
In the present invention, the species of inserts used can select in wide scope, but in order to further improve, increase
The wearability and heat resistance of strong plastics, it is preferable that inserts is a variety of in fiber, asbestos, silica and kaolin.
In the present invention, with the addition of plasticizer can improve the plasticity and flexibility of the plastics during plastic production,
But in order to further reduce the fragility of plastics, it is preferable that plasticizer be dibutyl phthalate, dioctyl phthalate and
It is a variety of in tricresyl phosphate.
In the present invention, starch can select in wide scope, but in order to further improve the peace of obtained plastics
The full feature of environmental protection, it is preferable that starch is green starch, tapioca, sweet potato starch, starch from sweet potato, farina, Mai Leidian
It is two or more in powder, water caltrop starch and Rhizoma Nelumbinis starch, cornstarch.
In the present invention, chitin fiber can select in wide scope, but in order to further improve obtained modeling
Material corrosion resistance and antibiotic property in use, it is preferable that chitin fiber is from shrimp, crab, locust, butterfly, mosquito, silkworm, julid, Wu
Extract and obtain in one or more combinations in centipede and snail body shell.
In addition, mixing condition can also be selected in wide scope, but in order to raw material mixing more uniformly, preferably
Ground, mixing meet following condition：Mixing temperature is 20-35 DEG C, incorporation time 1-2.5h.
Meanwhile for the ease of the extrusion molding of mixture, it is preferable that heat treatment meets that the temperature of following condition heat treatment is
180-220 DEG C, the time of heat treatment is 3-5h.
In addition, the actual conditions of extrusion molding can select in wide scope, but in order that obtain obtained high intensity
Antibiotic plastic has more excellent mechanical performance, it is preferable that the temperature of extrusion molding is 160-190 DEG C.
Present invention also offers a kind of high intensity antibiotic plastic, the high intensity antibiotic plastic is prepared by above-mentioned method
Form.
The present invention will be described in detail by way of examples below.In following examples, tensile strength (Rm/Mpa) and
Shrinkage factor (δ/%) parameter is measured by national standard GB/T13022-91 method；Surveyed according to national standard GB 4789.2-2010 method
Obtain total plate count (n/cfug-1) parameter.
Embodiment 1
At 20 DEG C, first by polyvinyl resin (weight average molecular weight is 30,000), makrolon (weight average molecular weight is 20,000), fibre
Dimension, asbestos, dibutyl phthalate, green starch, tapioca, sweet potato starch and the chitin fiber (weight of each material
Than for 100：30：5：6：2：3：3：4：12) 1h is mixed, wherein chitin fiber is to extract from the first in shrimp, crab, locust, butterfly body shell
Shell cellulose fiber；Then 5h is heat-treated at 180 DEG C and mixture is made；By the mixture, extrusion forming is made at 185 DEG C again
High intensity antibiotic plastic A1.
Embodiment 2
At 25 DEG C, first by polyvinyl resin (weight average molecular weight is 40,000), makrolon (weight average molecular weight is 30,000), stone
Cotton, silica, dioctyl phthalate, starch from sweet potato, farina, wheat kind of starch and chitin fiber (each material
Weight ratio be 100：35：10：10：4：5：5：6：20) mix 1.5h, wherein chitin fiber for extract from mosquito, silkworm, julid,
Chitin fiber in centipede and snail body shell；Then 4h is heat-treated at 190 DEG C and mixture is made；The mixture is existed again
High intensity antibiotic plastic A2 is made in extrusion forming at 185 DEG C.
Embodiment 3
At 35 DEG C, first by polyvinyl resin (weight average molecular weight is 50,000), makrolon (weight average molecular weight is 40,000), two
Silica, kaolin, tricresyl phosphate, water caltrop starch, Rhizoma Nelumbinis starch, cornstarch and the chitin fiber (weight of each material
Than for 100：40：14：10：8：5：10：5：30) 2h is mixed, wherein chitin fiber is to extract from shrimp, crab, julid, centipede and snail
Chitin fiber in ox body shell；Then 3h is heat-treated at 200 DEG C and mixture is made；Again by the mixture at 190 DEG C
High intensity antibiotic plastic A3 is made in extrusion forming.
Comparative example 1
Plastics B1 is prepared Following the procedure of Example 1, unlike, without green starch and tapioca in raw material.
Comparative example 2
Plastics B2 is prepared Following the procedure of Example 2, unlike, asbestos and silica in raw material.
Comparative example 3
Plastics B3 is prepared Following the procedure of Example 3, unlike, without chitin fiber in raw material.
Detect example 1
High intensity antibiotic plastic A1-A3 and plastics B1-B3 are placed in 25 DEG C of open environment, and air humidity is
8g water/m3, total plate count (n/cfug is detected by national standard GB 4789.2-2010 method after 7 days-1), concrete outcome is shown in Table
1。
Detect example 2
High intensity antibiotic plastic A1-A3 and plastics B1-B3 is first handled into 2h at 130 DEG C, then located at -15 DEG C
2h is managed, the parameter that tensile strength (Rm/Mpa) and shrinkage factor (δ/%) are finally carried out according to national standard GB/T13022-91 method is surveyed
Examination, concrete outcome are shown in Table 2.
Table 1
| Total plate count (n/cfug-1) | |
| A1 | 8 |
| A2 | 6 |
| A3 | 5 |
| B1 | 12 |
| B2 | 16 |
| B3 | 23 |
Table 2
| A1 | A2 | A3 | B1 | B2 | B3 | |
| Rm/Mpa | 46.5 | 47.2 | 48.5 | 27.3 | 28.5 | 30.5 |
| δ/% | 2.4 | 2.3 | 2.0 | 4.5 | 3.7 | 3.5 |
The testing result of table 1 shows that high intensity antibiotic plastic provided by the invention has extraordinary anti-microbial property.Above-mentioned inspection
The machinery for the plastics that tensile strength (Rm/Mpa) numerical value in test case 2 is bigger and the smaller explanation of shrinkage factor (δ/%) numerical value is detected
Performance is better.Shown according to the detection data of table 2, the tensile strength Rm of the A1-A3 in the present invention is in more than 45Mpa and obvious
Higher than the tensile strength of the B1-B3 obtained by comparative example.In addition, the shrinkage factor δ data in table 2 show that embodiment is made
The A1-A3 obtained shrinkage factor is respectively less than 2.5%, and the shrinkage factor of the B1-B3 obtained by comparative example 1-3 has been up to 4.5%
And it is all higher than 3.0%.
Thus illustrate, starch, the inserts pair added in the preparation method of high intensity antibiotic plastic provided by the invention
The intensity for improving plastics can have synergy well；Meanwhile the chitin fiber of addition rises to the antibiotic property for improving plastics
Main function.
The preferred embodiment of the present invention described in detail above, still, the present invention are not limited in above-mentioned embodiment
Detail, in the range of the technology design of the present invention, a variety of simple variants can be carried out to technical scheme, this
A little simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (10)
- A kind of 1. preparation method of high intensity antibiotic plastic, it is characterised in that including：First raw material is mixed, is heat-treated shape Resulting mixture；High intensity antibiotic plastic is made in the mixture extrusion molding again；Wherein, the raw material includes polyvinyl resin, makrolon, inserts, plasticizer, starch and chitin fiber；Relatively In the polyvinyl resin of 100 parts by weight, the dosage of the makrolon is 30-40 parts by weight, the dosage of the inserts For 10-25 parts by weight, the dosage of the plasticizer is 1-10 parts by weight, and the dosage of the starch is 10-20 parts by weight, the first The dosage of shell cellulose fiber is 10-30 parts by weight.
- 2. preparation method according to claim 1, wherein, the inserts is fiber, asbestos, silica and kaolin In it is a variety of.
- 3. preparation method according to claim 2, wherein, the plasticizer is selected from dibutyl phthalate, adjacent benzene two It is a variety of in formic acid dioctyl ester and tricresyl phosphate.
- 4. preparation method according to claim 3, wherein, the starch be green starch, tapioca, sweet potato starch, It is a variety of in starch from sweet potato, farina, wheat kind of starch, water caltrop starch and Rhizoma Nelumbinis starch, cornstarch.
- 5. preparation method according to claim 4, wherein, the weight average molecular weight of the polyvinyl resin is 30,000-5 ten thousand, institute The weight average molecular weight for stating makrolon is 20,000-4 ten thousand.
- 6. preparation method according to claim 5, wherein, the chitin fiber is from shrimp, crab, locust, butterfly, mosquito, silkworm, horse Extract and obtain in one or more combinations in land, centipede and snail body shell.
- 7. according to the preparation method described in any one in claim 1-6, wherein, the mixing meets following condition：Mixing Temperature is 20-35 DEG C, incorporation time 1-2.5h.
- 8. preparation method according to claim 7, wherein, the heat treatment meets following condition：The temperature of heat treatment is 180-220 DEG C, the time of heat treatment is 3-5h.
- 9. preparation method according to claim 8, wherein, the temperature of the extrusion molding is 160-190 DEG C.
- 10. a kind of high intensity antibiotic plastic, it is characterised in that the high intensity antibiotic plastic passes through appointing in claim 1-9 Method described in meaning one is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610710341.7A CN107778608A (en) | 2016-08-24 | 2016-08-24 | High intensity antibiotic plastic and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610710341.7A CN107778608A (en) | 2016-08-24 | 2016-08-24 | High intensity antibiotic plastic and preparation method thereof |
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| Publication Number | Publication Date |
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| CN107778608A true CN107778608A (en) | 2018-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610710341.7A Pending CN107778608A (en) | 2016-08-24 | 2016-08-24 | High intensity antibiotic plastic and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108841069A (en) * | 2018-07-18 | 2018-11-20 | 合肥万之景门窗有限公司 | A kind of door and window is with highstrenghtpiston and preparation method thereof |
-
2016
- 2016-08-24 CN CN201610710341.7A patent/CN107778608A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108841069A (en) * | 2018-07-18 | 2018-11-20 | 合肥万之景门窗有限公司 | A kind of door and window is with highstrenghtpiston and preparation method thereof |
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Application publication date: 20180309 |