CN114806016A - Thin-wall tableware resin for high-speed injection molding and preparation method thereof - Google Patents
Thin-wall tableware resin for high-speed injection molding and preparation method thereof Download PDFInfo
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- CN114806016A CN114806016A CN202210543730.0A CN202210543730A CN114806016A CN 114806016 A CN114806016 A CN 114806016A CN 202210543730 A CN202210543730 A CN 202210543730A CN 114806016 A CN114806016 A CN 114806016A
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- tableware
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 62
- 239000011347 resin Substances 0.000 title claims abstract description 61
- 229920005989 resin Polymers 0.000 title claims abstract description 61
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000000843 powder Substances 0.000 claims abstract description 53
- 239000002994 raw material Substances 0.000 claims abstract description 23
- 239000000919 ceramic Substances 0.000 claims abstract description 15
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 13
- 229920000098 polyolefin Polymers 0.000 claims abstract description 11
- 239000000155 melt Substances 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 16
- 239000004743 Polypropylene Substances 0.000 claims description 14
- -1 polypropylene Polymers 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 11
- 229920001155 polypropylene Polymers 0.000 claims description 9
- 229920000642 polymer Polymers 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 229910052684 Cerium Inorganic materials 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000004381 surface treatment Methods 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 4
- 239000003504 photosensitizing agent Substances 0.000 claims description 4
- 229920006124 polyolefin elastomer Polymers 0.000 claims description 4
- 235000003166 Opuntia robusta Nutrition 0.000 claims description 3
- 244000218514 Opuntia robusta Species 0.000 claims description 3
- 235000013361 beverage Nutrition 0.000 claims description 3
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 3
- 150000002910 rare earth metals Chemical group 0.000 claims description 3
- QMMJWQMCMRUYTG-UHFFFAOYSA-N 1,2,4,5-tetrachloro-3-(trifluoromethyl)benzene Chemical compound FC(F)(F)C1=C(Cl)C(Cl)=CC(Cl)=C1Cl QMMJWQMCMRUYTG-UHFFFAOYSA-N 0.000 claims description 2
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 claims description 2
- 239000003963 antioxidant agent Substances 0.000 claims description 2
- 230000003078 antioxidant effect Effects 0.000 claims description 2
- 125000005456 glyceride group Chemical group 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 239000010902 straw Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 230000015556 catabolic process Effects 0.000 abstract description 4
- 238000006731 degradation reaction Methods 0.000 abstract description 4
- 239000002253 acid Substances 0.000 abstract description 3
- 239000003513 alkali Substances 0.000 abstract description 3
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 abstract description 3
- 235000013305 food Nutrition 0.000 description 13
- 239000004033 plastic Substances 0.000 description 9
- 229920003023 plastic Polymers 0.000 description 9
- 238000011049 filling Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 239000003607 modifier Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004042 decolorization Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000037213 diet Effects 0.000 description 1
- 235000005911 diet Nutrition 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000012968 metallocene catalyst Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000012756 surface treatment agent Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Classifications
-
- 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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to the technical field of tableware resin, in particular to thin-wall tableware resin for high-speed injection molding and a preparation method thereof, wherein the thin-wall tableware resin comprises the following raw materials in parts by weight: 50-55 parts of ceramic powder, 5-10 parts of shell powder, 1-1.5 parts of a high-molecular powder surface treating agent, 0.3-0.5 part of di-tert-butyl peroxide, 1-3 parts of PETS and 35-40 parts of PP polyolefin. The thin-wall tableware resin is suitable for production of a high-speed injection molding machine, the production speed is more than 5 seconds/mold times, the mechanical property is excellent, the rigidity is high, the heat resistance, the acid and alkali resistance, the oil resistance, the folding resistance, the tinting strength, the melt flow index and other technical indexes are achieved, and the standard of one-time degradation of thin-wall tableware is achieved.
Description
Technical Field
The invention relates to the technical field of tableware resin, in particular to thin-wall tableware resin for high-speed injection molding and a preparation method thereof.
Background
Polyolefins are common resins for plastics and have been extensively studied and used in the tableware field. For example, the patent of the invention in china with the publication number CN 1164664C: polyolefin composition highly filled with inorganic high efficiency modifiers, its preparation method and disposable chopsticks made of it, which discloses: the polyolefin composition is based on the principles of polymer blending modification and filling modification, and adopts a special inorganic powder surface activation treatment technology and a polyolefin/inorganic high-efficiency modifier composite technology, the filling amount of the inorganic modifier is up to 65-75 wt%, the notch impact strength of the material is greater than 22J/m, the bending strength is greater than 52Mpa, the thermal deformation temperature is greater than 105 ℃, and the prepared chopsticks have good mechanical properties and service performance, are non-toxic and harmless, and can meet the requirements of the hygiene indexes of the chopsticks.
The chopsticks prepared from the polyolefin composition with the high-filling inorganic efficient modifier have good mechanical property and usability, but the use of the modified polyolefin composition is limited greatly because the notch impact strength is more than 22J/m and the bending strength is more than 52Mpa, and the modified polyolefin composition is required to be applied to chopsticks with thicker wall thickness and cannot be applied to thin-wall injection molding tableware.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide a thin-wall tableware resin for high-speed injection molding and a preparation method thereof.
The purpose of the invention is realized by the following technical scheme:
a thin-wall tableware resin for high-speed injection molding comprises the following raw materials in parts by weight:
preferably, the thin-wall tableware resin for high-speed injection molding comprises the following raw materials in parts by weight:
the added polymer powder surface treating agent is a composite fat powder surface treating agent of patent CN104086805B granted by the applicant, the component proportion is properly adjusted, and the surface treating agent is applied to ceramic powder and shell powder, so that the coating rate can be improved, and the filling performance of the ceramic powder and the shell powder can be improved.
The preparation method of the polymer powder surface treating agent comprises the following steps: putting the raw materials into a reaction kettle according to the weight percentage, heating to 80-90 ℃, stirring for 30-40min at the rotating speed of 40-60r/min, flowing into a tablet press after reaction, tabletting, cooling, forming and crushing to obtain the polymer powder surface treating agent.
Preferably, the ceramic powder is 2500-mesh ceramic powder, and the shell powder is 4000-mesh shell powder.
Preferably, the photosensitizer is rare earth cerium. Rare earth cerium is a cerium carboxylate-containing photosensitizer, when the thin-wall tableware resin added with the cerium carboxylate-containing photosensitizer for high-speed injection molding is buried, microorganisms and bacteria can be induced and enriched, under the action of water, acid and alkali microorganisms and bacteria, the coated ceramic powder and shell powder are stripped out from the thin-wall tableware resin, and the powder falls off, material weight loss, degradation and refinement are realized, and the degraded raw materials are absorbed by the environment. Under the natural environment, the ceramic powder and the shell powder of the thin-wall tableware resin can be degraded in about 3 months.
Preferably, the PP polyolefin consists of the following raw materials in parts by weight: 28-30 parts of high-melt-index polypropylene, 7-9 parts of polypropylene powder and 1-3 parts of polyolefin elastomer.
The high melt index polypropylene is preferably injection molding grade PP with the model number of S980 of Guangzhou branch of China petrochemical industry, Inc., and the melt flow rate is 262g/10min according to the test method of GB/T368262 under the test condition of 2.16kg/230 ℃.
The polypropylene powder (PP powder) is preferably 320 (powder) petrochemical polypropylene powder, which is high-fluidity polypropylene powder. Polyolefin elastomers (POE) are thermoplastic elastomers with a narrow relative molecular mass distribution and a uniform distribution of short chain branches, with metallocene catalysts.
Preferably, the melt flow rate of the thin-walled tableware resin for high-speed injection molding is 120g/10min-145g/10 min.
The invention adds di-tert-butyl peroxide which has synergistic effect with other raw materials, and the melt flow rate of the prepared thin-wall tableware resin is 120g/10min-145g/10min, so that the thin-wall tableware resin can be subjected to high-speed injection molding and the production time is more than 5 seconds per mold.
The polymer powder surface treating agent is prepared from the following raw materials in percentage by weight: 6 to 12 percent of distearoyl isopropoxy aluminate, 10 to 13 percent of butyl stearate, 12 to 22 percent of glycerin monostearate, 55 to 65 percent of fatty glyceride and 3 to 5 percent of antioxidant.
A method for preparing thin-wall tableware resin for high-speed injection molding comprises the following steps:
(1) putting ceramic powder and shell powder into a high-speed mixer for mixing and stirring, then adding a high-molecular powder surface treating agent for surface treatment to obtain a primary material; mixing and stirring for 3-8 min;
(2) adding the rest raw materials into the primary materials in the step (1), and mixing to obtain a mixture; mixing for 3-8 minutes in general;
(3) and (3) extruding and granulating the mixture prepared in the step (2) through a double-screw extruder to obtain the thin-wall tableware resin for high-speed injection molding.
A thin-wall tableware resin for high-speed injection molding is used for injection molding by using a high-speed injection molding machine when preparing thin-wall tableware, and the temperature parameters are as follows: first stage 260 deg.C, second stage 345 deg.C, third stage 345 deg.C, fourth stage 310 deg.C, and fifth stage 255 deg.C.
The preparation method of the thin-wall tableware resin for high-speed injection molding comprises the following steps:
(1) putting ceramic powder and shell powder into a high-speed mixer for mixing and stirring, then adding a high-molecular powder surface treating agent for surface treatment to obtain a primary material;
(2) adding the rest raw materials into the primary materials in the step (1), and mixing to obtain a mixture;
(3) and (3) extruding and granulating the mixture prepared in the step (2) through a double-screw extruder to obtain the thin-wall tableware resin for high-speed injection molding.
A thin-wall tableware resin for high-speed injection moulding is used for preparing disposable lunch boxes, dinner plates, round bowls, beverage cups, knives, forks, straws, spoons and plastic-absorbing products.
When the thin-wall tableware resin for high-speed injection molding is applied to the preparation of the disposable lunch box, the dinner plate, the round bowl, the beverage cup, the knife and fork, the suction pipe, the spoon and the blister product, the thin-wall tableware resin for high-speed injection molding is 100 percent, and other raw materials are not required to be added.
The invention has the beneficial effects that:
1. the thin-wall tableware resin for high-speed injection molding is prepared by taking ceramic powder and shell powder as raw materials and adding a high-molecular powder surface treating agent, di-tert-butyl peroxide, PETS (polyethylene terephthalate styrene) and PP (polypropylene) polyolefin; the production speed is higher than 5 seconds per mold, and the output of each high-speed injection molding machine exceeds 6 ten thousand pieces per 22 hours.
2. The ceramic powder and the shell powder of the thin-wall tableware resin for high-speed injection molding are subjected to surface treatment by the high-molecular powder surface treatment agent, so that the coating rate is 99%, the coating amount is 1%, the filling rate is ensured to be 60-65%, no precipitation is caused, the dyne value reaches the standard, and printing is not influenced.
3. The resin for the thin-wall tableware for high-speed injection molding has the advantages of excellent mechanical property, high rigidity, heat resistance, acid and alkali resistance, oil resistance, folding resistance, tinting strength, melt flow index and other technical indexes, and reaches the standard of one-time degradation of the thin-wall tableware.
4. The thin-wall tableware resin for high-speed injection molding is non-sticky, non-toxic and lead-free, and no harmful gas is generated in the production process; according to a candidate list of high concern substances for authorization examination (REACH regulation No. 1907/2006 of European Union) published by the European chemical administration of 2021, month 1 and day 19, 211 high concern Substances (SVHC) are screened and tested, the test results of the 211 high concern substances are all less than or equal to 0.05% (W/W), wherein the test results of more than 65 high concern substances are less than or equal to 0.005% (W/W), and the environmental protection index reaches the international standard.
5. The thin-wall tableware resin for high-speed injection molding meets the national standard GB/T20197-2006 for degrading plastics, the usage amount of the plastic of the product is reduced by more than 60%, and the thin-wall tableware resin can be recycled, degradable and environment-friendly.
6. The thin-wall tableware resin for high-speed injection molding has the advantages of high yield, high heat resistance, high gloss, slow heat conduction and no scalding, can be used for a microwave oven, a steam cabinet and a disinfection cabinet, resists high temperature of 180 ℃ and does not deform, is used as disposable tableware, and accords with the living habit of hot diet of Chinese people.
7. The thin-wall tableware resin for high-speed injection molding has the advantages of simple preparation and application process, high yield and low energy consumption, adopts inorganic powder, saves a large amount of plastic, conforms to the plastic reduction movement (4R1D) all over the world, and protects natural ecology. The production process does not discharge waste water, waste residue and toxic and harmful gas, belongs to a green and environment-friendly product, and accords with the national conditions of plastic reduction, recovery and degradation in China.
Detailed Description
The present invention will be further described with reference to the following examples for facilitating understanding of those skilled in the art, and the description of the embodiments is not intended to limit the present invention.
Example 1
A thin-wall tableware resin for high-speed injection molding comprises the following raw materials in parts by weight:
the preparation method of the thin-wall tableware resin for high-speed injection molding comprises the following steps:
(1) putting ceramic powder and shell powder into a high-speed mixer for mixing and stirring, then adding a high-molecular powder surface treating agent for surface treatment to obtain a primary material;
(2) adding the rest raw materials into the primary materials in the step (1), and mixing to obtain a mixture;
(3) and (3) extruding and granulating the mixture prepared in the step (2) through a double-screw extruder to obtain the thin-wall tableware resin for high-speed injection molding.
A thin-wall tableware resin for high-speed injection molding is used for injection molding by using a high-speed injection molding machine when preparing thin-wall tableware, and the temperature parameters are as follows: first stage 260 deg.C, second stage 345 deg.C, third stage 345 deg.C, fourth stage 310 deg.C, and fifth stage 255 deg.C.
Example 2
A thin-wall tableware resin for high-speed injection molding comprises the following raw materials in parts by weight:
the process for preparing the thin-walled tableware resin for high-speed injection molding of this example was the same as in example 1.
Example 3
A thin-wall tableware resin for high-speed injection molding comprises the following raw materials in parts by weight:
the process for preparing the thin-walled tableware resin for high-speed injection molding of this example was the same as in example 1.
Example 4
A thin-wall tableware resin for high-speed injection molding comprises the following raw materials in parts by weight:
the process for preparing the thin-walled tableware resin for high-speed injection molding of this example was the same as in example 1.
Example 5
A thin-wall tableware resin for high-speed injection molding comprises the following raw materials in parts by weight:
the process for preparing the thin-walled tableware resin for high-speed injection molding of this example was the same as in example 1.
The thin-walled tableware resins for high-speed injection molding of the examples were subjected to the performance tests, and the test indexes, standards and results were as follows:
the plastic materials and articles for food contact were tested on tableware prepared from the thin-walled tableware resin for high-speed injection molding of the examples:
firstly, detection requirements are as follows:
1. GB 4806.7-2016 food safety national standard plastic material for food contact and product;
2. GB18006.1-2009 general technical requirements of disposable plastic tableware.
Secondly, a detection method comprises the following steps:
1. reference is made to GB 31604.8-2016 food safety national standard food contact material and the measurement of total migration volume of products;
2. reference is made to GB 31604.2-2016 food safety national standard food contact material and potassium permanganate consumption measurement of products;
3. reference is made to GB 31604.9-2016 (first method) for determining heavy metals in food contact materials and food simulators of food products in national food safety standards;
3. refer to GB 31604.7-2016 food safety national standard food contact material and product decolorization test.
Thirdly, detecting results:
the photodegradability of tableware prepared from the thin-walled tableware resin for high-speed injection molding of the examples was examined:
the above-described embodiments are preferred implementations of the present invention, and the present invention may be implemented in other ways without departing from the spirit of the present invention.
Claims (10)
1. A thin-wall tableware resin for high-speed injection molding is characterized in that: the composite material comprises the following raw materials in parts by weight:
2. a thin-walled tableware resin for high speed injection molding according to claim 1 wherein: the composite material comprises the following raw materials in parts by weight:
3. a thin-walled tableware resin for high speed injection molding according to claim 1 or 2 wherein: the ceramic powder is 2500 meshes of ceramic powder, and the shell powder is 4000 meshes of shell powder.
4. A thin-walled tableware resin for high speed injection molding according to claim 2 wherein: the photosensitizer is rare earth cerium.
5. A thin-walled tableware resin for high speed injection molding according to claim 1 or 2 wherein: the PP polyolefin comprises the following raw materials in parts by weight: 28-30 parts of high-melt-index polypropylene, 7-9 parts of polypropylene powder and 1-3 parts of polyolefin elastomer.
6. A thin-walled tableware resin for high speed injection molding according to claim 1 or 2 wherein: the melt flow rate of the thin-wall tableware resin for high-speed injection molding is 120g/10min-145g/10 min.
7. A thin-walled tableware resin for high speed injection molding according to claim 1 or 2 wherein: the polymer powder surface treating agent is prepared from the following raw materials in percentage by weight: 6 to 12 percent of distearoyl isopropoxy aluminate, 10 to 13 percent of butyl stearate, 12 to 22 percent of glycerin monostearate, 55 to 65 percent of fatty glyceride and 3 to 5 percent of antioxidant.
8. A process for the preparation of a thin-walled tableware resin for high-speed injection molding according to any one of claims 1 to 7 wherein: the method comprises the following steps:
(1) putting ceramic powder and shell powder into a high-speed mixer for mixing and stirring, then adding a high-molecular powder surface treating agent for surface treatment to obtain a primary material;
(2) adding the rest raw materials into the primary materials in the step (1), and mixing to obtain a mixture;
(3) and (3) extruding and granulating the mixture prepared in the step (2) through a double-screw extruder to obtain the thin-wall tableware resin for high-speed injection molding.
9. A thin-walled tableware resin for high-speed injection molding as claimed in any one of claims 1 to 8 wherein: when the thin-wall tableware is prepared, a high-speed injection molding machine is used for injection molding, and the temperature parameters are as follows: first stage 260 deg.C, second stage 345 deg.C, third stage 345 deg.C, fourth stage 310 deg.C, and fifth stage 255 deg.C.
10. A thin-wall tableware resin for high-speed injection molding is characterized in that: it is applied to preparing disposable lunch boxes, dinner plates, round bowls, beverage cups, knives and forks, straws, spoons and blister products.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210543730.0A CN114806016B (en) | 2022-05-18 | 2022-05-18 | Thin-wall tableware resin for high-speed injection molding and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210543730.0A CN114806016B (en) | 2022-05-18 | 2022-05-18 | Thin-wall tableware resin for high-speed injection molding and preparation method thereof |
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| Publication Number | Publication Date |
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| CN114806016A true CN114806016A (en) | 2022-07-29 |
| CN114806016B CN114806016B (en) | 2024-07-12 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104086805A (en) * | 2014-07-31 | 2014-10-08 | 徐美珍 | Macromolecule composite fat powder surfactant as well as preparation method and application thereof |
| JP3234248U (en) * | 2021-07-20 | 2021-09-30 | 株式会社ユニオン産業 | Tableware |
| CN114230911A (en) * | 2021-12-15 | 2022-03-25 | 东莞市柏林高分子材料有限公司 | Stone ceramic-like resin and preparation method thereof |
-
2022
- 2022-05-18 CN CN202210543730.0A patent/CN114806016B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104086805A (en) * | 2014-07-31 | 2014-10-08 | 徐美珍 | Macromolecule composite fat powder surfactant as well as preparation method and application thereof |
| JP3234248U (en) * | 2021-07-20 | 2021-09-30 | 株式会社ユニオン産業 | Tableware |
| CN114230911A (en) * | 2021-12-15 | 2022-03-25 | 东莞市柏林高分子材料有限公司 | Stone ceramic-like resin and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 陈涛，姚志通，朱振宏，叶瑛，郑豪，夏枚生: "贝壳粉体表面改性及其在聚丙烯中的应用", 粉末冶金材料科学与工程, vol. 19, no. 1, pages 130 - 137 * |
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| CN114806016B (en) | 2024-07-12 |
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