CN103450564A - Easily-degradable and recyclable stone paper packaging container and preparation method thereof - Google Patents
Easily-degradable and recyclable stone paper packaging container and preparation method thereof Download PDFInfo
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- CN103450564A CN103450564A CN2013103943347A CN201310394334A CN103450564A CN 103450564 A CN103450564 A CN 103450564A CN 2013103943347 A CN2013103943347 A CN 2013103943347A CN 201310394334 A CN201310394334 A CN 201310394334A CN 103450564 A CN103450564 A CN 103450564A
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 34
- 239000004033 plastic Substances 0.000 claims abstract description 28
- 229920003023 plastic Polymers 0.000 claims abstract description 28
- 239000004743 Polypropylene Substances 0.000 claims abstract description 20
- 230000015556 catabolic process Effects 0.000 claims abstract description 18
- 238000006731 degradation reaction Methods 0.000 claims abstract description 18
- 238000010521 absorption reaction Methods 0.000 claims abstract description 14
- 238000001035 drying Methods 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- 238000005303 weighing Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 42
- 238000000465 moulding Methods 0.000 claims description 15
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- 229920000178 Acrylic resin Polymers 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- 238000002203 pretreatment Methods 0.000 claims description 11
- 235000013305 food Nutrition 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 4
- 229920000098 polyolefin Polymers 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 239000007822 coupling agent Substances 0.000 claims description 3
- 239000000314 lubricant Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- 239000000654 additive Substances 0.000 claims description 2
- 230000000996 additive effect Effects 0.000 claims description 2
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- 229910052809 inorganic oxide Inorganic materials 0.000 claims description 2
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- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical group [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 10
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
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Abstract
The invention discloses an easily-degradable and recyclable stone paper packaging container and a preparation method thereof. The easily-degradable and recyclable stone paper packaging container comprises the following components in parts by weight: 0-100 parts of polypropylene resin, 0-100 parts of dedicated PP (Propene Polymer) stone paper mother batch, 0-10 parts of color master batch, 0-2 parts of degradation aid and 0-10 parts of moisture absorption master batch. The preparation method comprises a pretreatment step and a preparation step and specially comprises the steps: weighing according to weights in the formula, uniformly mixing and drying, heating an extrusion membrane, introducing into a plastic suction die at a molten state, and carrying out plastic suction and cooling forming to obtain a target product. According to the easily-degradable and recyclable stone paper packaging container and the preparation method thereof, the stone paper packaging container is prepared from PP stone paper instead of traditional plastic sheets, so that the purposes of gradually aging and disintegrating abandoned plastics and reducing volume, weight and environmental pollution are achieved. The easily-degradable and recyclable stone paper packaging container and the preparation method thereof are simple and convenient to operate and low in production cost; the easily-degradable and recyclable stone paper packaging container can be recycled, easy to degrade, high in opaqueness and capable of realizing continuous production.
Description
Technical field
The invention belongs to the material technology field, be specifically related to callable stone paper packaging vessel of a kind of easy degraded and preparation method thereof.
Background technology
Packaging vessel generally refers in the commodity process of circulation, and in order to protect commodity, the convenient storage, be beneficial to transportation, and promotion prevents the pollution of the environment and prevents security incident, by certain technical specifications and the overall title of packing container, material and other subsidiary of use.Packaging vessel is the product that wrapping material and moulding combine, and comprises packing bag, packing box, packing bottle, packing jar and tr etc.The tr of listing modern logistics packing ranks in mainly contains Corrugated Box, wooden case, pallet assembly package, freight container and plastic box, they differ from one another meeting aspect transportation of goods packaging function, must be according to actual needs choice and operation in addition reasonably.
Packaging vessel now adopts plastics, pulp based paper to process more.Particularly with the packing of Food Contact, sheet package need be on traditional paper the brand-new plastics of film one deck, be difficult to recycle; At present, on market, the plastic packaging containers of extensive use mainly contains PVC, PET, PS, PP, ABS etc.Plastic wrapping is difficult to degraded, wastes again a large amount of petroleum resources when causing " white pollution ".Therefore, develop a kind of degradable, production technique is simple, cost is low, opaqueness is high and can realizes that the quantity-produced packaging vessel is very important.
Summary of the invention
The first purpose of the present invention is to provide a kind of easy degraded callable stone paper packaging vessel; The second purpose is to provide the preparation method of the callable stone paper packaging vessel of described easy degraded.
The first purpose of the present invention be achieved in that the callable stone paper packaging vessel of described easy degraded comprise 0 ~ 100 part of weight part acrylic resin, 0 ~ 100 part PP stone paper special-purpose master batch, 0 ~ 10 part of Masterbatch, help 0 ~ 10 part of 0 ~ 2 part of degradation agents and moisture absorption master batch.
The second purpose of the present invention is achieved in that and comprises pre-treatment, preparation process, specifically comprises:
A, pre-treatment: by heavily weighing of formula, mix drying;
B, preparation: the raw material after pre-treatment is heated and extruded diaphragm and introduce under molten state that plastics suction mould carries out plastic uptake and cooling forming obtains target compound.
The present invention uses PP stone paper sheet material to substitute traditional plastics sheet and makes the stone paper packaging vessel, because in PP stone paper sheet material, containing a large amount of inorganic mineral powders, promotes the hydroxyl index with degradation property to increase, CaCO
3+ CO
2+ H
2o can improve the tactile oxygen area of plastics, makes microorganism etch plastic material, reaches the aging and disintegration gradually of waste plastic goods, reaches the purpose that subtracts appearance, decrement, environmental contamination reduction.Use the product after discarding to be reclaimed by existing plastic recovery system, make new goods (as being injection molded into flowerpot, vessel, blow-off pipe etc.).Unrenewable product, under outdoor strong ultraviolet radiation, can change into " broken Ovum crusta Gallus domesticus " shape by natural wind after March～June, goes back to nature; Because the product main component is calcium carbonate, calcium carbonate can not work the mischief to environment and human body.Can make such as the disposable packaging vessel with Food Contact such as boxed cassette, food package box, vegetable box, cake holder, bowl, frozen foodstuff tray, plate, cup, fresh fruit tray, mess-tin.The present invention is easy and simple to handle, production cost is low, product recoverable, easily degraded, opaqueness is high and can realize continuous production.
The accompanying drawing explanation
Fig. 1 is the present invention's degraded state graph 40 days time the out of doors;
Fig. 2 is the present invention's degraded state graph 95 days time the out of doors;
Fig. 3 is the present invention's degraded state graph 150 days time the out of doors.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated, but never in any form the present invention is limited, and any conversion or the replacement based on training centre of the present invention, done, all belong to protection scope of the present invention.
The callable stone paper packaging vessel of easy degraded of the present invention comprise 0 ~ 100 part of weight part acrylic resin, 0 ~ 100 part PP stone paper special-purpose master batch, 0 ~ 10 part of Masterbatch, help 0 ~ 10 part of 0 ~ 2 part of degradation agents and moisture absorption master batch.
Described acrylic resin is homo-polypropylene, and melt flow rate (MFR) is 2.5 ~ 3.5g/10min.
The special-purpose master batch of described PP stone paper is degradable master batch.
Described degradable master batch is to be processed by the inorganic mineral powder of weight percent 75 ~ 85%, 15 ~ 19% acrylic resin, 0.1 ~ 0.3% help degradation agents, 0.4 ~ 0.6% titanium dioxide, 0.5 ~ 1.5% coupling agent and 1.1 ~ 1.5% lubricant.
Described degradable master batch is to be processed by the inorganic mineral powder of weight percent 80%, 17% acrylic resin, 0.2% help degradation agents, 0.5% titanium dioxide, 1% coupling agent and 1.3% lubricant.The purpose of using is to substitute the synthetic macromolecule resin of making of petroleum resources, reduces costs, and promotes photodegradation.
Described Masterbatch is the painted concentrated master batch of food grade polyolefine or food grade toner.
The described degradation agents that helps is low temperature-controlled thermooxidative degradation additive and/or photodegradable aid.
Described moisture absorption master batch is for take the moisture absorption master batch that inorganic oxide is carrier as the major ingredient polyolefine.
The preparation method of the callable stone paper packaging vessel of easy degraded of the present invention comprises pre-treatment, preparation process, specifically comprises:
A, pre-treatment: by heavily weighing of formula, mix drying;
B, preparation: the raw material after pre-treatment is heated and extruded diaphragm and introduce under molten state that plastics suction mould carries out plastic uptake and cooling forming obtains target compound.
The described drying of A step is for joining load weighted raw material respectively in drying blendor dry 1 ~ 2h under 60 ~ 120 ℃.
The B step is described to be prepared as the raw material after pre-treatment is extruded through heating, press polish, cooling and shaping, is wound into sheet material by sheet extruder, again sheet material is sent into and inhaled/rush in molding machine, send to and inhale/rush the mould district and inhaled/rush and mould through heating into molten again, through cooling and shaping, the demoulding, obtain target compound.
If produce the packaging vessel with Food Contact, preferably adopt multi-layer co-extruded sheet material unit, extexine and internal skin adopt brand new polypropylene, middle level adopts 0～100 part of acrylic resin, 0～10 part of PP Masterbatch, help 0～2 part of degradation agents, 0～10 part of moisture absorption master batch, 0～100 part of the special-purpose master batch of stone paper, guarantee that the product hygienic standard meets the GB18006.1-2009 related request.
Below with the preparation of PP stone paper packaging vessel so that principle of work of the present invention is described, the preparation of PP stone paper packaging vessel comprises the following steps:
By 0～100 part of acrylic resin, 0～10 part of PP Masterbatch, help 0～2 part of degradation agents, 0～10 part of moisture absorption master batch, and 0～100 part of the special-purpose master batch of stone paper joins respectively in drying blendor at the temperature of 60～120 ℃ dry 1～2 hour.
(2) preparation method of PP stone paper packaging vessel:
1) curtain coating plastics sucking moulding method claims again single stage method to make
To pour in the forcing machine feed bin of curtain coating plastic uptake unit through super-dry, the material that mixes, regulate and control each phase technological temperature at 135～170 ℃, after being heated to design temperature, be incubated 15～30 minutes, slowly adjusting screw(rod) rotating speed to 60～90 rev/mins.After running well, adjust temperature to 130～160 ℃, the startup Packing Machine is rotated, about per minute 32～40 moulds of adjusting rotary speed, but adjust the Packing Machine velocity of rotation or adjust grammes per square metre adjustment die head temperature and the horizontal local thickness degree of die gap controlling diaphragm sheet that screw speed can be controlled Blister product.Diaphragm to be extruded is adjusted intact, after conforming to quality requirements, can be by still in the Packing Machine that the diaphragm of molten state is rotating, start the plastic uptake switch, make it by the mold shape plastics sucking moulding, then through operations such as stamping-out, stamping-out, arrangement, check, sterilization, packings, be PP stone paper packaging vessel product.
2) sheet material (punching) method of moulding of inhaling claims again two step method to make:
Step 1: batch mixing drying treatment
By 0～100 part of acrylic resin, 0～10 part of PP Masterbatch, help 0～2 part of degradation agents, 0～10 part of moisture absorption master batch, and 0～100 part of the special-purpose master batch of stone paper joins respectively in drying blendor at the temperature of 60～120 ℃ dry 1～2 hour.
Step 2: the making of stone paper sheet material
The material mixed is poured in the hopper of calendered sheet unit, regulated and controled each phase temperature and be controlled between 135～210 ℃, after being heated to design temperature, be incubated 15～30 minutes, slow adjusting screw(rod) rotating speed to 200～450 rev/mins.After running well, adjust temperature to 135～180 ℃, notice that the main control system electric current is between 180A～220A, melt pressure is controlled at 4～9Mpa, at 3～20 rev/mins, (annotate: sheet material thickness degree reaches to set and requires rear its feeding rotating speed must keep constant regulation and control metering feeding screw speed, to guarantee the uniform and stable property of extrusion capacity.) adjust two gaps between stack to control sheet material transverse integral thickness degree and calendering smooth finish, adjust T die head die gap to control the horizontal local thickness degree of sheet material.Treat that the extrusion sheet adjustment is intact, cut both sides, the adjustment sheet width can be introduced sheet material in winder after meeting the Packing Machine requirement, is rolled up sheet material products.
Step 3: the making of packaging vessel product
Sheet material is put on the unwinding rack of suction (punching) molding machine, sheet material is introduced to the traction of inhaling (punching) molding machine presses in chain, regulation and control suctions (punching) are moulded the heated die plate temperature and are about 160 ℃～250 ℃, regulation and control are inhaled (punching) and are moulded the vacuum time delay 1～4 second, during cooling fixed response time 2～5 seconds, then start and inhale the running of (punching) molding machine, make sheet material be inhaled into the die for molding of (or pouring) setting when being heated into molten state, again through cooling and shaping, the demoulding, severing.Then send into stamping-out in clicker press machine and become goods, more become PP stone paper packaging vessel product through check, sterilization, packing.
Embodiment 1---produce the 10ml oyster white medicine holder of calcium carbonate content 45%, every grammes per square metre 5 grams.
By 33 parts of acrylic resins, 3 parts of white master batches, help 2 parts of degradation agentss, 2 parts of moisture absorption master batches, and 60 parts of the special-purpose master batches of stone paper, join respectively in drying blendor at the temperature of 60～120 ℃ dry 1～2 hour.To pour in the forcing machine feed bin of curtain coating plastic uptake unit through super-dry, the material that mixes again, regulate and control each phase technological temperature at 145～160 ℃, after being heated to design temperature, be incubated 20 minutes, slowly adjusting screw(rod) rotating speed to 80 rev/min.After the extruded material that runs well, adjustment is carried out inching to each phase temperature, starting Packing Machine rotates, about per minute 36 moulds of adjusting rotary speed, but adjustment Packing Machine velocity of rotation or adjustment screw speed can be controlled, the grammes per square metre of Blister product is adjusted die head temperature and the horizontal local thickness degree of die gap controlling diaphragm sheet is even.Diaphragm to be extruded is adjusted intact, after conforming to quality requirements, can be by still in the Packing Machine that the diaphragm of molten state is rotating, start the plastic uptake switch, make it by the mold shape plastics sucking moulding, the grammes per square metre that Packing Machine velocity of rotation or the holder of screw speed control 10ml oyster white medicine are adjusted in sampling is about 5 grams ± 1 gram, then by every four moulds, cuts off work in-process, sends into through the clicker press machine stamping-out and is finished product, is the holder of PP stone paper 10ml oyster white medicine through operations such as arrangement, check, sterilization, packings again.
Embodiment 2---produce the oyster white mess-tin of calcium carbonate content 64%, every grammes per square metre 20 grams.
By 14 parts of acrylic resins, 3 parts of white master batches, help 1 part of degradation agents, 2 parts of moisture absorption master batches, and 80 parts of the special-purpose master batches of stone paper, join respectively in drying blendor at the temperature of 60～120 ℃ dry 1～2 hour.The material mixed is poured in the hopper of calendered sheet unit, regulated and controled each phase temperature and be controlled between 160～180 ℃, after being heated to design temperature, be incubated 30 minutes, slowly adjusting screw(rod) rotating speed to 400 rev/min.After running well, adjust temperature to 135～160 ℃, notice that the main control system electric current is between 210A, melt pressure is controlled at 6～8Mpa, at 16 rev/mins, (annotate: sheet material thickness degree reaches to set and requires rear its feeding rotating speed must keep constant regulation and control metering feeding screw speed, to guarantee the uniform and stable property of extrusion capacity.), adjusting clearance control sheet material transverse integral thickness degree between two stacks is 0.50mm, adjusts the pulling speed of two stacks at 14.2～14.5 m/mins, adjusts T die head die gap, controls the horizontal local thickness degree deviation of sheet material at ± 0.02mm.Treat that the extrusion sheet adjustment is intact, cut both sides, the adjustment sheet width can be introduced sheet material in winder after meeting the Packing Machine requirement, is rolled up sheet material products.Again sheet material is put on the unwinding rack of Packing Machine, and sheet material is introduced in the traction pressure chain of Packing Machine, regulation and control plastic uptake heated die plate temperature is about 215 ℃, regulation and control plastic uptake vacuum time delay 3.5 seconds, during cooling fixed response time 4 seconds, then start the Packing Machine running, make sheet material be inhaled into the die for molding of setting when being heated into molten state, again through cooling and shaping, the demoulding, severing.Then send into stamping-out in clicker press machine and become goods, more become PP stone paper oyster white mess-tin product through check, sterilization, packing.
Embodiment 3---produce calcium carbonate content 25%, the oyster white 002 type rice bowl of every grammes per square metre 7 grams.
By 65 parts of acrylic resins, 3 parts of white master batches, help 1 part of degradation agents, 2 parts of moisture absorption master batches, and 30 parts of the special-purpose master batches of stone paper, join respectively in drying blendor at the temperature of 60～120 ℃ dry 1～2 hour.The material mixed is poured in the hopper of HSJP-90X matrix material unit again, regulated and controled each phase technological temperature and be controlled between 140～175 ℃, after being heated to above-mentioned design temperature, be incubated 30 minutes, open main frame, slowly speed governing to 80 rev/min.The main control system electric current is between 70～90A, adjusting clearance control sheet material transverse integral thickness degree between two stacks is 0.45mm, adjust the pulling speed of two stacks at 16 m/mins, adjust T die head die gap, control the horizontal local thickness degree deviation of sheet material at ± 0.02mm.Treat that the extrusion sheet adjustment is intact, cut both sides, the adjustment sheet width can be introduced sheet material in winder after meeting the Packing Machine requirement, is rolled up sheet material products.Sheet material is put on the unwinding rack that rushes molding machine again, and sheet material is introduced to the traction of rushing molding machine and press in chain, the regulation and control punching is moulded the heated die plate temperature and is about 200 ℃, regulate the air compressor machine air pressure 8kg/cm2 that qi of chong channel ascending adversely is used, per minute 22 moulds are moulded in the regulation and control punching, make sheet material be washed into the die for molding stamping-out of setting and blow out goods when being heated into molten state, then pick up, check, sterilize, pack through inspection and become oyster white 002 type rice bowl.
Test example 1
By the photodegradation test observation, embodiment 1 test-results is as follows:
Test example 2
By the photodegradation test observation, embodiment 2 test-results are as follows:
Test example 3
By the photodegradation test observation, embodiment 3 test-results are as follows:
Claims (10)
1. the easy callable stone paper packaging vessel of degraded, it is characterized in that the callable stone paper packaging vessel of described easy degraded comprise 0 ~ 100 part of weight part acrylic resin, 0 ~ 100 part PP stone paper special-purpose master batch, 0 ~ 10 part of Masterbatch, help 0 ~ 10 part of 0 ~ 2 part of degradation agents and moisture absorption master batch.
2. the callable stone paper packaging vessel of easy degraded according to claim 1, is characterized in that described acrylic resin is homo-polypropylene, and melt flow rate (MFR) is 2.5 ~ 3.5g/10min.
3. the callable stone paper packaging vessel of easy degraded according to claim 1, is characterized in that the special-purpose master batch of described PP stone paper is degradable master batch.
4. the callable stone paper packaging vessel of easy degraded according to claim 3, is characterized in that described degradable master batch is to be processed by the inorganic mineral powder of weight percent 75 ~ 85%, 15 ~ 19% acrylic resin, 0.1 ~ 0.3% help degradation agents, 0.4 ~ 0.6% titanium dioxide, 0.5 ~ 1.5% coupling agent and 1.1 ~ 1.5% lubricant.
5. the callable stone paper packaging vessel of easy degraded according to claim 1, is characterized in that described Masterbatch is the painted concentrated master batch of food grade polyolefine or food grade toner.
6. the callable stone paper packaging vessel of easy degraded according to claim 1, is characterized in that the described degradation agents that helps is low temperature-controlled thermooxidative degradation additive and/or photodegradable aid.
7. the callable stone paper packaging vessel of easy degraded according to claim 1, is characterized in that described moisture absorption master batch is for take the moisture absorption master batch that inorganic oxide is carrier as the major ingredient polyolefine.
8. the preparation method of the callable stone paper packaging vessel of the arbitrary described easy degraded of claim 1 ~ 7, is characterized in that comprising pre-treatment, preparation process, specifically comprises:
A, pre-treatment: by heavily weighing of formula, mix drying;
B, preparation: the raw material after pre-treatment is heated and extruded diaphragm and introduce under molten state that plastics suction mould carries out plastic uptake and cooling forming obtains target compound.
9. the easy preparation method of the callable stone paper packaging vessel of degraded according to claim 8, is characterized in that the described drying of A step is for joining load weighted raw material respectively in drying blendor dry 1 ~ 2h under 60 ~ 120 ℃.
10. the easy preparation method of the callable stone paper packaging vessel of degraded according to claim 8, it is characterized in that described being prepared as of B step extrude the raw material after pre-treatment, press polish, cooling and shaping, be wound into sheet material by sheet extruder through heating, again sheet material is sent into and inhaled/rush in molding machine, send to and inhale/rush the mould district and inhaled/rush and mould through heating into molten again, through cooling and shaping, the demoulding, obtain target compound.
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Cited By (5)
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| CN104231654A (en) * | 2014-08-01 | 2014-12-24 | 王兆进 | Production method of packing box/bag prepared from rich mineral paper |
| CN104403340A (en) * | 2014-11-14 | 2015-03-11 | 无锡中洁能源技术有限公司 | Synthetic paper preparation method based on emulsion polymerization |
| CN105670102A (en) * | 2014-11-21 | 2016-06-15 | 合肥杰事杰新材料股份有限公司 | Carbon paper composite material used for laser laminating molding and preparation method thereof |
| CN106633808A (en) * | 2016-10-31 | 2017-05-10 | 湖南科技大学 | Preparation method of eggshell powder based synthetic paper |
| CN111903376A (en) * | 2020-07-02 | 2020-11-10 | 云南昆钢石头纸环保材料有限公司 | Preparation method of multifunctional stone paper-based flowerpot |
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Cited By (7)
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| CN104231654A (en) * | 2014-08-01 | 2014-12-24 | 王兆进 | Production method of packing box/bag prepared from rich mineral paper |
| CN104403340A (en) * | 2014-11-14 | 2015-03-11 | 无锡中洁能源技术有限公司 | Synthetic paper preparation method based on emulsion polymerization |
| CN104403340B (en) * | 2014-11-14 | 2017-04-05 | 无锡中洁能源技术有限公司 | A kind of preparation method of the synthetic paper based on emulsion polymerization |
| CN105670102A (en) * | 2014-11-21 | 2016-06-15 | 合肥杰事杰新材料股份有限公司 | Carbon paper composite material used for laser laminating molding and preparation method thereof |
| CN105670102B (en) * | 2014-11-21 | 2018-11-13 | 合肥杰事杰新材料股份有限公司 | A kind of carbon paper composite and preparation method thereof laminated into type for laser |
| CN106633808A (en) * | 2016-10-31 | 2017-05-10 | 湖南科技大学 | Preparation method of eggshell powder based synthetic paper |
| CN111903376A (en) * | 2020-07-02 | 2020-11-10 | 云南昆钢石头纸环保材料有限公司 | Preparation method of multifunctional stone paper-based flowerpot |
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