CN106346634A - Method for preparing regenerated plastic particles by using waste cloth and regenerated plastic particles - Google Patents
Method for preparing regenerated plastic particles by using waste cloth and regenerated plastic particles Download PDFInfo
- Publication number
- CN106346634A CN106346634A CN201610793635.0A CN201610793635A CN106346634A CN 106346634 A CN106346634 A CN 106346634A CN 201610793635 A CN201610793635 A CN 201610793635A CN 106346634 A CN106346634 A CN 106346634A
- Authority
- CN
- China
- Prior art keywords
- parts
- granule
- water
- plastic particles
- particles
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The invention discloses a method for preparing regenerated plastic particles by using waste cloth and the regenerated plastic particles. The method comprises the following steps: successively carrying out high-temperature steam disinfection and ultraviolet sterilization on the waste cloth with single fiber composition, and then shearing the treated waste cloth into particles by using a mechanical shearing device; feeding the obtained particles in water, adding a decoloring agent, heating until the water is boiling, keeping the boiling state of the water, fully decoloring the particles, sieving, collecting oversize products, and drying to obtain dry matters; and placing the dry matters in a heating reactor, continuously heating to the temperature of 180-250 DEG C, melting and mixing to obtain a molten product, and after irradiation treatment, extruding and pelleting to obtain the regenerated plastic particles. By the method, the field of recycling of the waste cloth is opened up, the utilization rate of waste textiles is increased, production cost is reduced, imbalance between supply and demand of textile product markets is relieved, and pollution of the light textile industry to the environment is reduced.
Description
Technical field
The present invention relates to the process field of scrap fabric is and in particular to one kind prepares regenerated plastics particle using scrap fabric
Method and regenerated plastics particle.
Background technology
Annual waste and old textile product is higher than 20,000,000 tons, wherein only has the textile less than 5 percent and is able to again
Return to market.Most discarded textile products are processed in the way of filling or burning or reclaim.Burning disposal mode not only can be given birth to
Harmful substances such as Cheng Erying and be difficult the material of degradation treatment and bring secondary pollution, waste substantial amounts of resource again.Therefore,
Need to carry out renewable resources to waste and old textile product.
At present, the renewable resources of waste and old textile product are mainly: one, directly utilize scrap fabric cleaned, sterilization after
Make the products such as mop, this method utilization rate is low, and economic benefit is low, and is difficult to scale volume production；Two, to waste textile
Fiber carries out combing again, becomes fine, makes new yarn fabric, and the product quality that this method is obtained is low, production scale is little, audient
Scope little it is difficult to large-scale industrialized volume production.
Chinese patent cn201110249087.2 discloses a kind of production technology of regeneration textile fabric, using pretreatment and
All kinds of leftover bits and pieces dead meals of weaving are carried out sorting, severing by mechanical means, refuel, dewing gives process and shredding, point comb operation.But
Be this patent production cost high it is difficult to large-scale industrialized volume production.
Accordingly, it would be desirable to a kind of waste textile renewable resources method of high production capacity, improve the utilization rate of waste textile, fall
Low production cost, alleviates the imbalance between supply and demand in textile product market, and mitigates the pollution to environment for the light and textile industries.
Content of the invention
The present invention is directed to the problems referred to above, provides a kind of method and regeneration preparing regenerated plastics particle using scrap fabric
Plastic pellet.
The present invention solves the above problems and be the technical scheme is that one kind prepares regenerated plastics particle using scrap fabric
Method, comprise the following steps:
Step s01, raw material disposal: the scrap fabric with Single Fiber composition is carried out at high-temperature steam sterilization successively
Reason 20min～40min and ultraviolet illumination sterilization treatment 3min～10min, then will be processed with mechanical type shear
Scrap fabric shreds into the granule that particle mean size is 5mm～10mm；
Step s02, desolventing technology: the granule that step s01 is obtained is put in water according to the mass ratio of 1:100, add
Decolorising agent, is heated to boiling water, keeps the fluidized state 60min～100min of water, so that granule is fully decoloured, and crosses 80 mesh～120
Mesh sieve, collects oversize, dries 2h～3h in 60 DEG C～70 DEG C, obtains dried object；
Step s03, extruding pelletization: the dried object that step s02 is obtained is placed in reacting by heating kettle, persistently overheating to 180
DEG C～250 DEG C, melting mixing 0.5h～1.5h, obtain molten state product, after irradiated process 30s～100s, carry out extrusion and make
Grain, prepared regenerated plastics particle.
Further, in step s01, Single Fiber composition includes: any one in pa, pet, pc, pan.
Further, in step s02, the mass ratio between granule and decolorising agent is 1:0.8～1.2.
Further, the consisting of of decolorising agent: 60 parts～80 parts of activated carbon, 5 parts～10 parts of silica gel, acrylic resin 5
Part～10 parts, 5 parts～8 parts of 0.1mol/l dilute hydrochloric acid.
Further, in step s03, the viscosity of molten state product is 150pa s～300pa s.
Further, in step s03, radiation treatment particularly as follows: with60Co γ is irradiation bomb, and close rate is 300 roentgens/little
When～500 roentgens/hour.
Further, in step s03, in extruding pelletization, extruder is respectively set as from hopper to the temperature of mouth mould: 50 DEG C/
180 DEG C/185 DEG C/210 DEG C/210 DEG C/230 DEG C/230 DEG C/225 DEG C, screw speed is 50rpm～70rpm.
Further, in step s03, the mean diameter of regenerated plastics particle is 1mm～5mm.
Another goal of the invention of the present invention, is to provide a kind of regenerated plastics particle, is prepared from according to said method.
The invention has the advantage that
1. the present invention prepares regenerated plastics particle using scrap fabric, has opened up the renewable resources field of scrap fabric, has carried
The high utilization rate of waste textile, reduces production cost, alleviates the imbalance between supply and demand in textile product market, and alleviate
The pollution to environment for the light and textile industries.；
2. the regenerated plastics particle of present invention preparation has outstanding properties of product；
3. the method that the utilization scrap fabric that the present invention adopts prepares regenerated plastics particle, simple, easy to operate, floor space
Little, safety and environmental protection, low production cost, profit is high, suitable scale volume production.
Specific embodiment
Hereinafter embodiments of the invention are described in detail, but the present invention can be defined by the claims and cover
Multitude of different ways is implemented.
Embodiment 1
A kind of method preparing regenerated plastics particle using scrap fabric, comprises the following steps:
Step s01, raw material disposal: the scrap fabric with single pa fibre composition is carried out high-temperature steam sterilization successively
Process 20min and ultraviolet illumination sterilization treatment 3min, then with mechanical type shear, the scrap fabric processing is shredded
Become the granule that particle mean size is 5mm；
Step s02, desolventing technology: the granule that step s01 is obtained is put in water according to the mass ratio of 1:100, add
Decolorising agent, is heated to boiling water, keeps the fluidized state 60min of water, so that granule is fully decoloured, and crosses 80 mesh sieves, collects oversize,
Dry 2h in 60 DEG C, obtain dried object；Mass ratio wherein between granule and decolorising agent is 1:0.8；The composition of wherein decolorising agent
For: 60 parts of activated carbon, 5 parts of silica gel, 5 parts of acrylic resin, 5 parts of 0.1mol/l dilute hydrochloric acid；
Step s03, extruding pelletization: the dried object that step s02 is obtained is placed in reacting by heating kettle, persistently overheating to 180
DEG C, melting mixing 0.5h, obtain the molten state product that viscosity is 150pa s, with60Co γ is irradiation bomb, is 300 in close rate
After carrying out radiation treatment 30s under conditions of roentgen/hour, carry out extruding pelletization, prepared mean diameter is the regenerative plastic granulations of 1mm
Son；Wherein in extruding pelletization, extruder is respectively set as from hopper to the temperature of mouth mould: 50 DEG C/180 DEG C/185 DEG C/210 DEG C/
210 DEG C/230 DEG C/230 DEG C/225 DEG C, screw speed is 50rpm.
Embodiment 2
A kind of method preparing regenerated plastics particle using scrap fabric, comprises the following steps:
Step s01, raw material disposal: the scrap fabric with single pet fibre composition is carried out high-temperature steam successively and disappears
Poison processes 40min and ultraviolet illumination sterilization treatment 10min, is then cut, with mechanical type shear, the scrap fabric processing
It is broken into the granule that particle mean size is 10mm；
Step s02, desolventing technology: the granule that step s01 is obtained is put in water according to the mass ratio of 1:100, add
Decolorising agent, is heated to boiling water, keeps the fluidized state 100min of water, so that granule is fully decoloured, and crosses 120 mesh sieves, on collection screen
Thing, dries 3h in 70 DEG C, obtains dried object；Mass ratio wherein between granule and decolorising agent is 1:1.2；The group of wherein decolorising agent
Become: 80 parts of activated carbon, 10 parts of silica gel, 10 parts of acrylic resin, 8 parts of 0.1mol/l dilute hydrochloric acid；
Step s03, extruding pelletization: the dried object that step s02 is obtained is placed in reacting by heating kettle, persistently overheating to 250
DEG C, melting mixing 1.5h, obtain the molten state product that viscosity is 300pa s, with60Co γ is irradiation bomb, is 500 in close rate
After carrying out radiation treatment 100s under conditions of roentgen/hour, carry out extruding pelletization, prepared mean diameter is the regenerated plastics of 5mm
Particle；Wherein in extruding pelletization, extruder is respectively set as from hopper to the temperature of mouth mould: 50 DEG C/180 DEG C/185 DEG C/210 DEG C/
210 DEG C/230 DEG C/230 DEG C/225 DEG C, screw speed is 70rpm.
Embodiment 3
A kind of method preparing regenerated plastics particle using scrap fabric, comprises the following steps:
Step s01, raw material disposal: the scrap fabric with single pc fibre composition is carried out high-temperature steam sterilization successively
Process 30min and ultraviolet illumination sterilization treatment 6min, then with mechanical type shear, the scrap fabric processing is shredded
Become the granule that particle mean size is 7mm；
Step s02, desolventing technology: the granule that step s01 is obtained is put in water according to the mass ratio of 1:100, add
Decolorising agent, is heated to boiling water, keeps the fluidized state 80min of water, so that granule is fully decoloured, and crosses 100 mesh sieves, on collection screen
Thing, dries 2.5h in 65 DEG C, obtains dried object；Mass ratio wherein between granule and decolorising agent is 1:1；The group of wherein decolorising agent
Become: 70 parts of activated carbon, 7.5 parts of silica gel, 7.5 parts of acrylic resin, 6.5 parts of 0.1mol/l dilute hydrochloric acid；
Step s03, extruding pelletization: the dried object that step s02 is obtained is placed in reacting by heating kettle, persistently overheating to 220
DEG C, melting mixing 1h, obtain the molten state product that viscosity is 220pa s, with60Co γ is irradiation bomb, is 400 human relations in close rate
After carrying out radiation treatment 60s under conditions of qin/hour, carry out extruding pelletization, prepared mean diameter is the regenerative plastic granulations of 3mm
Son；Wherein in extruding pelletization, extruder is respectively set as from hopper to the temperature of mouth mould: 50 DEG C/180 DEG C/185 DEG C/210 DEG C/
210 DEG C/230 DEG C/230 DEG C/225 DEG C, screw speed is 60rpm.
Embodiment 4
A kind of method preparing regenerated plastics particle using scrap fabric, comprises the following steps:
Step s01, raw material disposal: the scrap fabric with single pan fibre composition is carried out high-temperature steam successively and disappears
Poison processes 25min and ultraviolet illumination sterilization treatment 5min, is then cut, with mechanical type shear, the scrap fabric processing
It is broken into the granule that particle mean size is 8mm；
Step s02, desolventing technology: the granule that step s01 is obtained is put in water according to the mass ratio of 1:100, add
Decolorising agent, is heated to boiling water, keeps the fluidized state 70min of water, so that granule is fully decoloured, and crosses 110 mesh sieves, on collection screen
Thing, dries 2.2h in 68 DEG C, obtains dried object；Mass ratio wherein between granule and decolorising agent is 1:0.9；Wherein decolorising agent
Consist of: 78 parts of activated carbon, 6 parts of silica gel, 8 parts of acrylic resin, 6 parts of 0.1mol/l dilute hydrochloric acid；
Step s03, extruding pelletization: the dried object that step s02 is obtained is placed in reacting by heating kettle, persistently overheating to 200
DEG C, melting mixing 0.8h, obtain the molten state product that viscosity is 260pa s, with60Co γ is irradiation bomb, is 350 in close rate
After carrying out radiation treatment 40s under conditions of roentgen/hour, carry out extruding pelletization, prepared mean diameter is the regenerative plastic granulations of 2mm
Son；Wherein in extruding pelletization, extruder is respectively set as from hopper to the temperature of mouth mould: 50 DEG C/180 DEG C/185 DEG C/210 DEG C/
210 DEG C/230 DEG C/230 DEG C/225 DEG C, screw speed is 55rpm.
Experimental example 1
The performance of the regenerated plastics particle of embodiment 1～4 system is tested, test result is as shown in table 1.
The performance test results of table 1 regenerated plastics particle
These are only the preferred embodiments of the present invention, be not limited to the present invention, for those skilled in the art
For member, the present invention can have various modifications and variations.All any modifications within the spirit and principles in the present invention, made,
Equivalent, improvement etc., should be included within the scope of the present invention.
Claims (9)
1. a kind of prepare the method for regenerated plastics particle it is characterised in that comprising the following steps using scrap fabric:
Step s01, raw material disposal: the scrap fabric with Single Fiber composition is carried out high-temperature steam sterilization process successively
20min～40min and ultraviolet illumination sterilization treatment 3min～10min is then useless by processed with mechanical type shear
Old cloth shreds into the granule that particle mean size is 5mm～10mm；
Step s02, desolventing technology: the granule that step s01 is obtained is put in water according to the mass ratio of 1:100, add decolouring
Agent, is heated to boiling water, keeps the fluidized state 60min～100min of water, so that granule is fully decoloured, and crosses 80 mesh～120 mesh sieves,
Collect oversize, dry 2h～3h in 60 DEG C～70 DEG C, obtain dried object；
Step s03, extruding pelletization: the dried object that step s02 is obtained is placed in reacting by heating kettle, persistently overheating to 180 DEG C～
250 DEG C, melting mixing 0.5h～1.5h, obtain molten state product, after irradiated process 30s～100s, carry out extruding pelletization, system
Obtain regenerated plastics particle.
2. method according to claim 1 is it is characterised in that in step s01, described Single Fiber composition includes: pa,
Any one in pet, pc, pan.
3. method according to claim 1 is it is characterised in that quality in step s02, between described granule and decolorising agent
Than for 1:0.8～1.2.
4. method according to claim 3 is it is characterised in that the consisting of of described decolorising agent: 60 parts～80 parts of activated carbon,
5 parts～10 parts of silica gel, 5 parts～10 parts of acrylic resin, 5 parts～8 parts of 0.1mol/l dilute hydrochloric acid.
5. method according to claim 1 is it is characterised in that in step s03, the viscosity of described molten state product is
150pa s～300pa s.
6. method according to claim 1 is it is characterised in that in step s03, described radiation treatment particularly as follows: with60coγ
For irradiation bomb, close rate is 300 roentgens/hour～500 roentgen/hour.
7. method according to claim 1 is it is characterised in that in step s03, in described extruding pelletization, extruder is from hopper
Temperature to mouth mould is respectively set as: 50 DEG C/180 DEG C/185 DEG C/210 DEG C/210 DEG C/230 DEG C/230 DEG C/225 DEG C, screw rod turns
Speed is 50rpm～70rpm.
8. method according to claim 1 is it is characterised in that in step s03, the mean diameter of described regenerated plastics particle
For 1mm～5mm.
9. a kind of regenerated plastics particle is it is characterised in that the method according to any one of claim 1～8 is prepared from.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610793635.0A CN106346634A (en) | 2016-08-31 | 2016-08-31 | Method for preparing regenerated plastic particles by using waste cloth and regenerated plastic particles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610793635.0A CN106346634A (en) | 2016-08-31 | 2016-08-31 | Method for preparing regenerated plastic particles by using waste cloth and regenerated plastic particles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106346634A true CN106346634A (en) | 2017-01-25 |
Family
ID=57857912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610793635.0A Pending CN106346634A (en) | 2016-08-31 | 2016-08-31 | Method for preparing regenerated plastic particles by using waste cloth and regenerated plastic particles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106346634A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107419355A (en) * | 2017-08-18 | 2017-12-01 | 马鞍山中港服饰有限公司 | A kind of processing method of useless acrylic fibres cloth |
| CN108424636A (en) * | 2018-01-29 | 2018-08-21 | 上海睿聚环保科技有限公司 | A kind of low-cost and high-performance regeneration daiamid composition modified materials |
| CN109593338A (en) * | 2018-12-07 | 2019-04-09 | 广德天运新技术股份有限公司 | A kind of fiber base cured plate and preparation method thereof using waste textile production |
| CN111607920A (en) * | 2019-02-22 | 2020-09-01 | 香港纺织及成衣研发中心有限公司 | Method and device for decolouring textile materials |
| CN111791387A (en) * | 2019-11-21 | 2020-10-20 | 苏州欧邦塑胶有限公司 | Method for preparing regenerated plastic particles by using waste cloth |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1300785A (en) * | 1999-12-22 | 2001-06-27 | 四川大学 | Process for preparing special material by radiation technique for blow injection of car's fender guard |
| CN101161438A (en) * | 2007-11-15 | 2008-04-16 | 许平桂 | A new method for improving polyvinyl chloride sectional materials combinations color and lustre evenness |
| CN101260209A (en) * | 2008-04-09 | 2008-09-10 | 南京聚隆化学实业有限责任公司 | Oil-saving rotational molding diesel oil tank material and preparation method thereof |
| CN103600437A (en) * | 2013-11-08 | 2014-02-26 | 柳州市雅骏塑料制品有限责任公司 | Comprehensive treatment method of dry-spun spandex waste materials |
| CN104441311A (en) * | 2014-11-10 | 2015-03-25 | 马宏 | Method for preparing recycled plastic granules |
| CN104744899A (en) * | 2015-03-26 | 2015-07-01 | 浙江世博新材料股份有限公司 | PET toughening material prepared from waste PET material |
| US9090997B2 (en) * | 2012-03-05 | 2015-07-28 | Acelon Chemical And Fiber Corporation | Fabrication of natural cellulose fiber with flame-retarding capability |
| CN104999593A (en) * | 2015-07-31 | 2015-10-28 | 兴安宸亿工贸有限公司 | Waste polyethylene terephthalate recycling and reusing method |
-
2016
- 2016-08-31 CN CN201610793635.0A patent/CN106346634A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1300785A (en) * | 1999-12-22 | 2001-06-27 | 四川大学 | Process for preparing special material by radiation technique for blow injection of car's fender guard |
| CN101161438A (en) * | 2007-11-15 | 2008-04-16 | 许平桂 | A new method for improving polyvinyl chloride sectional materials combinations color and lustre evenness |
| CN101260209A (en) * | 2008-04-09 | 2008-09-10 | 南京聚隆化学实业有限责任公司 | Oil-saving rotational molding diesel oil tank material and preparation method thereof |
| US9090997B2 (en) * | 2012-03-05 | 2015-07-28 | Acelon Chemical And Fiber Corporation | Fabrication of natural cellulose fiber with flame-retarding capability |
| CN103600437A (en) * | 2013-11-08 | 2014-02-26 | 柳州市雅骏塑料制品有限责任公司 | Comprehensive treatment method of dry-spun spandex waste materials |
| CN104441311A (en) * | 2014-11-10 | 2015-03-25 | 马宏 | Method for preparing recycled plastic granules |
| CN104744899A (en) * | 2015-03-26 | 2015-07-01 | 浙江世博新材料股份有限公司 | PET toughening material prepared from waste PET material |
| CN104999593A (en) * | 2015-07-31 | 2015-10-28 | 兴安宸亿工贸有限公司 | Waste polyethylene terephthalate recycling and reusing method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107419355A (en) * | 2017-08-18 | 2017-12-01 | 马鞍山中港服饰有限公司 | A kind of processing method of useless acrylic fibres cloth |
| CN108424636A (en) * | 2018-01-29 | 2018-08-21 | 上海睿聚环保科技有限公司 | A kind of low-cost and high-performance regeneration daiamid composition modified materials |
| CN109593338A (en) * | 2018-12-07 | 2019-04-09 | 广德天运新技术股份有限公司 | A kind of fiber base cured plate and preparation method thereof using waste textile production |
| CN111607920A (en) * | 2019-02-22 | 2020-09-01 | 香港纺织及成衣研发中心有限公司 | Method and device for decolouring textile materials |
| CN111791387A (en) * | 2019-11-21 | 2020-10-20 | 苏州欧邦塑胶有限公司 | Method for preparing regenerated plastic particles by using waste cloth |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106346634A (en) | Method for preparing regenerated plastic particles by using waste cloth and regenerated plastic particles | |
| CN102505182B (en) | Method for preparing functional ultraviolet-resistant polyester staple fiber from waste renewable polyester bottle chips | |
| CN205364278U (en) | A high -efficient granulator for plastics processing | |
| JP5357978B2 (en) | Automated rubber powder plasticizing process and apparatus | |
| CN111571847A (en) | Environment-friendly plastic recycling process | |
| CN103305960A (en) | Method for manufacturing polyester staple fibers through recycled polyester bottles | |
| CN104178841B (en) | Method for manufacturing safety nets by waste polyester bottles | |
| CN101649569B (en) | Process for preparing low-pollution wheatgrass microcrystalline cellulose | |
| CN107745462A (en) | Plastic recovery system and method | |
| CN104264287B (en) | Method for preparing rope net ribbon-like filaments by drawing waste and old polyethylene terephthalate (PET) bottle sheets | |
| CN109849221B (en) | Method for preparing polyester irregular particles by using polyester waste | |
| CN111334890A (en) | Preparation method of chemical fiber and master batch using regenerated environment-friendly coconut carbon powder | |
| CN106497025A (en) | Regeneration PA plastic pellets prepared by a kind of utilization scrap fabric and preparation method thereof | |
| JP5946226B2 (en) | Oil palm derived biomass powder and method for producing the same, biomass composite molded body and method for producing the same | |
| TWM597778U (en) | Device for improving inherent viscosity of recycled polyester waste | |
| CN102704300B (en) | Method for reproducing paper pulp used for filter stick core paper by utilizing filter stick waste | |
| CN108623830A (en) | A kind of recycling modified technique of waste polyethylene plastics | |
| CN107571422A (en) | Waste plastic regenerating and pelleting technique | |
| KR102508241B1 (en) | Manufacturing method of monofilament yarn using recycled PET | |
| CN1340651A (en) | Process for preparing arc microcrystal cellulose | |
| CN110948745B (en) | Recovery and cleaning process for plastic base plate after diamond wire cutting | |
| CN211762752U (en) | Air-cooled granulator | |
| CN114685949A (en) | Biodegradable material, raw material composition thereof, and preparation method and application thereof | |
| CN109866354A (en) | A kind of full-automatic plastic pelletizer | |
| CN113861590B (en) | Flocculent regenerated fiber reinforced wood-plastic composite material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | 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: 20170125 |