CN110183735A - Injection molding can be used or be molded the degradable plant fibre environment-friendly composite material of thermoforming - Google Patents
Injection molding can be used or be molded the degradable plant fibre environment-friendly composite material of thermoforming Download PDFInfo
- Publication number
- CN110183735A CN110183735A CN201910542510.4A CN201910542510A CN110183735A CN 110183735 A CN110183735 A CN 110183735A CN 201910542510 A CN201910542510 A CN 201910542510A CN 110183735 A CN110183735 A CN 110183735A
- Authority
- CN
- China
- Prior art keywords
- molded
- injection molding
- composite material
- thermoforming
- friendly composite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/08—Cellulose derivatives
- C08L1/10—Esters of organic acids, i.e. acylates
- C08L1/12—Cellulose acetate
-
- 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
-
- 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
-
- 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
Abstract
The present invention provides a kind of degradable plant fibre environment-friendly composite material that injection molding can be used or be molded thermoforming, in parts by mass includes: 35-80 parts of modified plant fibers powder, 15-60 parts of thermoplastic resin, 0.1-1 parts of lubricant, 0.5-3 parts of pigment；Other auxiliary agent 0.5-1 parts；The plant fiber powder is to pass through the modified plant fiber powder of aceticanhydride.The present invention provides a kind of degradable plant fibre environment-friendly composite material formula and preparation method thereof, and simple process is easy to degrade, is combined using plant fiber and thermoplastic resin, and materials are convenient.
Description
Technical field
The present invention relates to it is a kind of can be used injection molding or be molded thermoforming degradable plant fibre environment-friendly composite material and its
Preparation method and application.
Background technique
In the prior art, the main material for packaging and food containers outside cosmetics, skin care item and electronic apparatus
It is made, is difficult to recycle after use and degrades of pure plastics, cause seriously to pollute to ecological environment, and with people's life water
Flat promotion, the demand to natural resources is more and more, exacerbates the in short supply of all kinds of resources, and cost also constantly rises.And I
State is a large agricultural country, a large amount of straw waste, such as rice straw, straw, cornstalk, husk is generated every year, as can having
Effect makes full use of, and will play a very good protection to ecological environment；Meanwhile natural resources is excessively developed also will play it is certain
Buffer function.
Summary of the invention
The present invention provides a kind of injection molding or molding degradable plant fibre environment-friendly composite material and preparation method thereof, technique
Simply, it is easy to degrade, is combined using plant fiber and thermoplastic resin, materials is convenient.
In order to achieve the above-mentioned object of the invention, The technical solution adopted by the invention is as follows:
A kind of degradable plant fibre environment-friendly composite material that injection molding can be used or is molded thermoforming, it is characterised in that: press
Mass parts meter includes: 35-80 parts of plant fiber powder, and 15-60 parts of thermoplastic resin, 0.1-1 parts of lubricant, 0.5-3 parts of pigment；
Other auxiliary agent 0.5-1 parts；The plant fiber powder is to pass through the modified plant fiber powder of aceticanhydride.
Further, the degradable plant fibre environment-friendly composite material that injection molding can be used or be molded thermoforming further includes
0.1-1.5 parts of heat stabilizer.
Further, the plant fiber powder is the branch, bar or leaf warp of one or more of herbaceous plant or xylophyta
It crosses and is ground into -500 mesh powder of 80 mesh, it is specific that mesh number size is selected to select difference according to product demand difference.Used plant
Fibres raw material mainly include the branch bar leaf and other available crop wastes of straw, husk, wheat or corn, sugarcane
Object.
Further, it is the acrylic nitrile-butadiene of 7-25g/min (220 DEG C/10Kg) that the thermoplastic resin, which selects melt index,
Styrene terpolymer, melt index are the polyethylene of 5-30g/min (190 DEG C/2.16Kg), melt index is
5.5-15g (230 DEG C/2.16Kg) polypropylene, polystyrene type one or two are containing above mixture.
Further, the lubricant is stearic acid, in zinc stearate, erucyl amide, oleamide, polyethylene wax
One or two are containing above mixture.
Further, the heat stabilizer mainly includes calcium-zinc composite stabilizing agent, epoxy compound species (epoxy soybean
Oil) one or both of contain the above mixture.
Further, other auxiliary agents include: bombax cotton, aceticanhydride, degradation of promoter, and the degradation agent is metallic hard
Ester acid, ethylene-copolymer containing one monomers, ethylene carbon monoxide copolymer) it is one or two kinds of containing the above mixture.
A kind of preparation method for the degradable plant fibre environment-friendly composite material that injection molding can be used or is molded thermoforming, it is special
Sign is to include the following steps:
(1) by plant fiber raw material use flour mill crush after through vibrating screen choose partial size between 80-500 mesh wherein
It is applicable in the fiber powder of mesh number, by cellulose powder under the conditions of at 120 DEG C, under 4 kilograms of atmospheric pressure, heat preservation is stirred in aceticanhydride
After 2 hours, cold filtration is not washed, convection drying；
(2) by thermoplastic resin in step 1 treated plant fiber powder and formula, lubricant, heat stabilizer, pigment its
Its auxiliary agent is mixed using vertical mixer, initially stirs 5-10min at high speed with 20-30rpm/min, then with 5-10rpm/
Min low speed stirs mixture and is thoroughly mixed with prodegradant.
(3) by the mixture of step 2, through twin-screw mixer extruding pelletization, the double-screw extruding pelletizing machine temperature setting
Between 120 DEG C -170 DEG C；The double screw extruder is equipped with the firstth area to the tenth area and head area, the firstth area to the tenth area
And the temperature in head area is respectively as follows: 135 DEG C -165 DEG C of the firstth area to third area, the 4th area to 165 DEG C -185 DEG C of District 7,
165 DEG C -185 DEG C of 8th area to head area.
(4) box-like or can-like system is made by being molded or being molded thermoforming processing method in the particle that step 3 obtains again
Product.
A kind of above-mentioned degradable plant fibre environment-friendly composite material use injection molding that injection molding can be used or be molded thermoforming
Or box-like or can-like product is processed into molding thermoforming, is used for cosmetics, skin care item and electronic apparatus outer packing and food
Application in product container.
The beneficial effects of the present invention are: plant fiber environment-friendly composite material prepared by the present invention, the raw material day of use
So environmental protection, at the same by being crushed to plant fiber powder after, and be modified, make it have polymolecularity, improve material
Overall mechanical properties, while further increasing degradability.Simultaneously compared with prior art, the present invention being additionally added bombax cotton, vinegar
As other auxiliary agents, there is aceticanhydride dehydration property further to remove micro-moisture in raw material for acid anhydride, degradation of promoter, it is avoided to influence material
Expect mechanical property, while can further adjust the pH value of whole system, improve the degradation efficiency of degradation of promoter, improves in soil
Decomposability in earth, while the further abundant modification of plant fiber powder can also be improved；Bombax cotton has certain water
Dissolubility, while it all has certain compatibility to natural plant fibre powder and macromolecule resin, also raising degradation of promoter divides
Effect is dissipated, fibrous structure is dispersed in system, can be improved mechanical property, and make in the soil in the long-time of moisture
With local dissolution occurs, further promote degradation efficiency.
The present invention passes through the plant cellulose powder and thermoplastic resin of special ratios, adds specific additive, preparation
Composite material can be processed by the thermoformings such as being molded or being molded.
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate this hair
It is bright, rather than limit the scope of the invention.Under the premise of without departing substantially from technical solution of the invention, the present invention is made
Those of ordinary skill in the art's any change easy to accomplish fall within scope of the presently claimed invention.
Embodiment 1
A kind of preparation method for the degradable plant fibre environment-friendly composite material that injection molding can be used or is molded thermoforming, it is special
Sign is to include the following steps:
(1) fibre that partial size is wherein applicable in mesh number between 200 mesh is chosen through vibrating screen after using flour mill to crush on husk
Powder is tieed up, it is cooling after heat preservation being stirred in aceticanhydride 2 hours under 4 kilograms of atmospheric pressure by cellulose powder under the conditions of at 120 DEG C
Filtering, is not washed, convection drying；
(2) by step 1 treated 60 parts of plant fiber powder, 40 parts of thermoplastic resin, 0.5 part of lubricant, heat stabilizer
1.0 parts, 1.75 parts of pigment, 1 part of other auxiliary agents are mixed using vertical mixer, initially at high speed with 20-30rpm/min
5-10min is stirred, then mixture is stirred with 5-10rpm/min low speed and is thoroughly mixed with prodegradant.The thermoplastic resin
Selection melt index is the acrylonitrile-butadiene-styrene terpolymer of 7-25g/min (220 DEG C/10Kg).The profit
Lubrication prescription is stearic acid.The heat stabilizer mainly includes calcium-zinc composite stabilizing agent.Other auxiliary agents include: bombax cotton,
Aceticanhydride, degradation of promoter, the degradation of promoter are metal stearic acid.
(3) by the mixture of step 2, through twin-screw mixer extruding pelletization, the double-screw extruding pelletizing machine temperature setting
Between 150 DEG C；The double screw extruder is equipped with the firstth area to the tenth area and head area, the firstth area to the tenth area and machine
The temperature of Head Section be respectively as follows: the firstth area to third area set 140 DEG C, the 4th area to District 7 set 155 DEG C, 160 DEG C of Section Eight and
150 DEG C of head area.
(4) box-like or can-like system is made by being molded or being molded thermoforming processing method in the particle that step 3 obtains again
Product.
Embodiment 2
It is same as Example 1, it is 80 parts of plant fiber powder, 15 parts of thermoplastic resin, 1 part of lubricant, hot in addition to pressing mass parts
0.1 part of stabilizer, 3 parts of pigment, 0.75 part of other auxiliary agents.The degradation of promoter is metal stearic acid, ethylene carbon monoxide is total
The mixture of polymers.
Embodiment 3
It is same as Example 1, in addition to press mass parts, 25 parts of plant fiber powder, 70 parts of thermoplastic resin, 0.1 part of lubricant,
1.5 parts of heat stabilizer, 0.5 part of pigment, 1 part of other auxiliary agents.The degradation of promoter is metal stearic acid, ethylene-containing one monomers
The mixture of copolymer.
Comparative example 1
It is same as Example 1, in addition to plant fiber powder is modified without aceticanhydride.
Comparative example 2
It is same as Example 1, in addition to being added without other auxiliary agents.
Comparative example 3
It is same as Example 1, in addition to not including bombax cotton in other auxiliary agents.
Comparative example 4
It is same as Example 1, in addition to not including aceticanhydride in other auxiliary agents.
Comparative example 5
It is same as Example 1, in addition to not including ethylene carbon monoxide copolymer in other auxiliary agents.
The environment-friendly composite material of embodiment and comparative example is made to the sheet material of 1mm thickness, gained sample is according to being immersed in phosphoric acid
The rate of descent that the weight average molecular weight of the sheet material of recycling is measured after standing 21 days in buffer saline (PBS) and at 37 DEG C, is pressed
According to the method tested for tensile strength of DIN53455-6-5, elongation at break is tested:
Table 1
Above-described embodiment is only the composition and process characteristic for illustrating this system, and its object is to allow those skilled in the art
The contents of the present invention can be understood and be implemented, it is not intended to limit the scope of the present invention.All reference this systems or
The technical solution that person's equivalent substitution mode is formed, should all fall within the scope of the hereto appended claims.
Claims (8)
1. a kind of degradable plant fibre environment-friendly composite material that injection molding can be used or be molded thermoforming, it is characterised in that: press matter
Amount part meter includes: 35-80 parts of modified plant fibers powder, and 15-60 parts of thermoplastic resin, 0.1-1 parts of lubricant, pigment 0.5-3
Part；Other auxiliary agent 0.5-1 parts；The modified plant fibers powder is to pass through the modified plant fiber powder of aceticanhydride；The thermoplasticity
Resin selects the acrylonitrile-butadiene-styrene terpolymer that melt index is 7-25g/min, melt index 5-30g/
The polyethylene of min, melt index are the polypropylene of 5.5-15g/min, polystyrene type one or two containing above mixture.
2. the degradable plant fibre environment-friendly composite material according to claim 1 that injection molding can be used or be molded thermoforming,
It is characterized by: the degradable plant fibre environment-friendly composite material that injection molding can be used or be molded thermoforming further includes thermostabilization
0.1-1.5 parts of agent.
3. the degradable plant fibre environment-friendly composite material according to claim 1 that injection molding can be used or be molded thermoforming,
It is characterized by: the plant fiber powder is the branch, bar or leaf of one or more herbaceous plant or xylophyta by crushing
At -500 mesh powder of 80 mesh.
4. the degradable plant fibre environment-friendly composite material according to claim 1 that injection molding can be used or be molded thermoforming,
It is characterized by: the lubricant be one of stearic acid, zinc stearate, erucyl amide, oleamide, polyethylene wax or
Two kinds containing above mixture.
5. the degradable plant fibre environment-friendly composite material according to claim 2 that injection molding can be used or be molded thermoforming,
It is characterized by: the heat stabilizer mainly includes that one or both of calcium-zinc composite stabilizing agent, epoxy compound species contain
The above mixture.
6. the degradable plant fibre environment-friendly composite material according to claim 1 that injection molding can be used or be molded thermoforming,
It is characterized by: other auxiliary agents include: bombax cotton, aceticanhydride, degradation of promoter, the degradation of promoter is metallic hard ester
Acid, ethylene-copolymer containing one monomers, ethylene carbon monoxide copolymer one or two contain the above mixture.
7. a kind of preparation method for the degradable plant fibre environment-friendly composite material that injection molding can be used or be molded thermoforming, feature
It is to include the following steps:
(1) partial size is chosen through vibrating screen after using flour mill to crush plant fiber raw material to be wherein applicable between 80-500 mesh
Under 4 kilograms of atmospheric pressure, it is small to be stirred heat preservation 2 by cellulose powder under the conditions of at 120 DEG C in aceticanhydride for the fiber powder of mesh number
Shi Hou, cold filtration do not wash, convection drying；
(2) thermoplastic resin, lubricant, heat stabilizer, pigment in step 1 treated plant fiber powder and formula is other
Auxiliary agent is mixed using vertical mixer, initially stirs 5-10min at high speed with 20-30rpm/min, then with 5-10rpm/
Min low speed stirs mixture and is thoroughly mixed with prodegradant；
(3) by the mixture of step 2, through twin-screw mixer extruding pelletization, the double-screw extruding pelletizing machine temperature is set as 120
Between DEG C -170 DEG C；The double screw extruder be equipped with the firstth area to the tenth area and head area, the firstth area to the tenth area and
The temperature in head area is respectively as follows: 135 DEG C -165 DEG C of the firstth area to third area, the 4th area to 165 DEG C -185 DEG C of District 7, Section Eight
To 165 DEG C -185 DEG C of head area；
(4) box-like or can-like product is made by being molded or being molded thermoforming processing method in the particle that step 3 obtains again.
8. the degradable plant fibre environmental protection according to claim 1-6 that injection molding can be used or be molded thermoforming is multiple
Condensation material is processed into box-like or can-like product using being molded or being molded thermoforming, for cosmetics, skin care item and electronics electricity
Application in device outer packing and food containers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910542510.4A CN110183735A (en) | 2019-06-21 | 2019-06-21 | Injection molding can be used or be molded the degradable plant fibre environment-friendly composite material of thermoforming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910542510.4A CN110183735A (en) | 2019-06-21 | 2019-06-21 | Injection molding can be used or be molded the degradable plant fibre environment-friendly composite material of thermoforming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110183735A true CN110183735A (en) | 2019-08-30 |
Family
ID=67722795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910542510.4A Pending CN110183735A (en) | 2019-06-21 | 2019-06-21 | Injection molding can be used or be molded the degradable plant fibre environment-friendly composite material of thermoforming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110183735A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110578268A (en) * | 2019-09-24 | 2019-12-17 | 南京德恒纸业有限公司 | industrial laminating paper and preparation process thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101879736A (en) * | 2010-07-14 | 2010-11-10 | 浙江世友木业有限公司 | Stable enhanced type solid wood profile and production method thereof |
| CN105368071A (en) * | 2015-12-12 | 2016-03-02 | 郑州佰沃生物质材料有限公司 | Biomass resin and preparation method of fibre oriented shaving composite board |
| CN106046829A (en) * | 2016-06-30 | 2016-10-26 | 江苏索普（集团）有限公司 | Preparation method of flame-retardant 3D printing wood dust material |
| CN108587087A (en) * | 2018-02-10 | 2018-09-28 | 浙江金晟环保股份有限公司 | A kind of degradable poly lactic acid composite and preparation method thereof for environment protecting tableware |
| CN109705435A (en) * | 2019-01-09 | 2019-05-03 | 厦门金峰源包装工业有限公司 | Degradable packing bag and its processing technology |
-
2019
- 2019-06-21 CN CN201910542510.4A patent/CN110183735A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101879736A (en) * | 2010-07-14 | 2010-11-10 | 浙江世友木业有限公司 | Stable enhanced type solid wood profile and production method thereof |
| CN105368071A (en) * | 2015-12-12 | 2016-03-02 | 郑州佰沃生物质材料有限公司 | Biomass resin and preparation method of fibre oriented shaving composite board |
| CN106046829A (en) * | 2016-06-30 | 2016-10-26 | 江苏索普（集团）有限公司 | Preparation method of flame-retardant 3D printing wood dust material |
| CN108587087A (en) * | 2018-02-10 | 2018-09-28 | 浙江金晟环保股份有限公司 | A kind of degradable poly lactic acid composite and preparation method thereof for environment protecting tableware |
| CN109705435A (en) * | 2019-01-09 | 2019-05-03 | 厦门金峰源包装工业有限公司 | Degradable packing bag and its processing technology |
Non-Patent Citations (1)
| Title |
|---|
| 张明明: ""乙酰木粉基热塑性复合材料的制备与性能研究"", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110578268A (en) * | 2019-09-24 | 2019-12-17 | 南京德恒纸业有限公司 | industrial laminating paper and preparation process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5449708A (en) | Biodegradable starch-based polymer compositions | |
| Aranda-García et al. | Water absorption and thermomechanical characterization of extruded starch/poly (lactic acid)/agave bagasse fiber bioplastic composites | |
| CN112940471A (en) | Degradable plastic, preparation method thereof and disposable product | |
| CN106336531A (en) | Modified corn straw granule enhanced PBAT [poly(butyleneadipate-co-terephthalate)] starch composite material and preparation method thereof | |
| CN102875853A (en) | Degradable plastic and preparation method thereof | |
| CN101792591A (en) | Full-biodegradable plastic film and preparation method thereof | |
| CN105838047B (en) | A kind of biodegradable modified lignin resin particle and its manufacture method | |
| CN104497442A (en) | Environment-friendly health wood-plastic plate | |
| Florencia et al. | Exploitation of by-products from cassava and ahipa starch extraction as filler of thermoplastic corn starch | |
| CN106893273A (en) | A kind of calcium carbonate as shopping bag filling biodegradable plastic film material high and preparation method thereof | |
| CN101580642A (en) | Full-biodegradation natural polymer alloy and preparation method thereof | |
| CN105482058A (en) | Biodegradable polyurethane elastomer and preparation method thereof | |
| CN111944287A (en) | Preparation method of high-transparency easy-tearing polylactic acid blown film | |
| CN105131542B (en) | A kind of bamboo powder handled through lactide surface grafting and polylactic acid blend composite and preparation method and application | |
| Boran | Mechanical, morphological, and thermal properties of nutshell and microcrystalline cellulose filled high-density polyethylene composites | |
| CN106893275A (en) | A kind of degradable recovery poly-lactic acid material and preparation method thereof | |
| CN112029246B (en) | Plant fiber-containing polylactic acid modified material and preparation method thereof | |
| CN113234305A (en) | Degradable composite material and preparation method and application thereof | |
| CN105949807B (en) | Polyvinyl alcohol-based wood-plastic composite material and melting processing method thereof | |
| CN110183735A (en) | Injection molding can be used or be molded the degradable plant fibre environment-friendly composite material of thermoforming | |
| CN104945870A (en) | All-biodegradable modified polylactic acid film-blowing resin and preparation method thereof | |
| CN103131149A (en) | Polylactic acid composite material, preparation method thereof and application thereof | |
| CN110194863A (en) | The degradable plant fibre environment-friendly composite material of extrusion or plastic uptake thermoforming can be used | |
| CN114031914A (en) | Bio-based plastic uptake material and preparation method thereof | |
| CN102115549B (en) | Biodegradable starch-containing high polymer composition and preparation thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190830 |