CN105346110A - Synthesized ivory board and preparing method thereof - Google Patents
Synthesized ivory board and preparing method thereof Download PDFInfo
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- CN105346110A CN105346110A CN201510720229.7A CN201510720229A CN105346110A CN 105346110 A CN105346110 A CN 105346110A CN 201510720229 A CN201510720229 A CN 201510720229A CN 105346110 A CN105346110 A CN 105346110A
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- diatomite
- art post
- post paperboard
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
- C04B20/1055—Coating or impregnating with inorganic materials
- C04B20/1074—Silicates, e.g. glass
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/045—Polyalkenes
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing halogen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
Abstract
The invention provides a synthesized ivory board and a preparing method thereof, and belongs to the field of packaging. Flat coal series calcined kaolin serves as a stiffness modifying agent, the surface of flexible porous kieselguhr is wrapped by kaolin, the characteristic of the low density of kieselguhr is reserved, density is reduced accordingly, the kieselguhr is endowed with good stiffness performance, meanwhile, the defect that the board face crisps during blow molding and calendaring molding machining of kaolin is overcome, and the high-stiffness and low-density synthesized ivory board with the thickness of 0.3-0.5 mm is obtained. The stiffness and density of the synthesized ivory board prepared through the method are extremely close to those of a paper pulp ivory board. The preparing technology is easy to control, cost is low, and the synthesized ivory board is suitable for large-scale production application. The synthesized ivory board can be used for replacing the paper pulp ivory board to be used for manufacturing of various packages such as paper boxes and paper bags, and the application of environment-friendly synthesized paper is widened.
Description
Technical field
The present invention relates to wrapping paper field, be specifically related to a kind of synthesis art post paperboard and preparation method thereof.
Background technology
Cai Lun utilizes the technology of string papermaking to be the innovation and creation that on history of human civilization one is outstanding, and the life appearing as the mankind, the study of paper bring great convenience.Paper technology is developed so far through constantly changing, and almost reaches perfect stage.Along with human progress and development, paper significantly reduces in the application in attending classes field, and obtains at packaging field and develop fast.In recent years, information technology and the develop rapidly of packages printing industry, paper-making industry is constantly permeated to packaging field.Along with paper is in the extensive application in the fields such as packaging, demand is increasing.Particularly art post paperboard comprises a large amount of application art post paperboard of the packagings for foodstuff such as medicine, health products, cosmetics, electronic product, handbag, clothes box, jack-in-a-box, cigarette pack, dixie cup, instant noodle box, hamburger box, cake box in the application of packaging field, causes the sharp increase of art post paperboard demand.
Production art post paperboard needs to consume a large amount of forest reserves, produces a large amount of waste water.In order to break away from the dependence of papermaking to string papermaking, eliminate the discharge of wastewater of papermaking, promote functional at packaging field of paper, a kind of be made up of the inorganic powder material such as high molecular polymer and calcium carbonate, the synthetic paper that, blowing mixing by thermoplastic or calendering obtain preferably resolves the dependence of paper to process of plant fiber pulp, and manufacturing process is without the need to string, do not fall trees, not waste discharge, does not need to add bleaching agent, strong acid, highly basic, can not to environment.
Chinese invention patent CN1378909A and CN1480485A reports the synthetic paper material be made up of polyethylene (PE) and suitable inorganic mineral powder or superfine mineral powder respectively; CN1381347A reports the synthetic paper material with polyethylene (PE) or polypropylene (PP) and inorganic mineral powder form; CN1912241A reports the synthetic paper material be jointly made up of with calcium carbonate superfine powder PP, PE or polyvinyl chloride (PVC).Synthetic paper is owing to taking resin as primary raw material, and its processability, shaping characteristic are better, but due to cost higher, cause and be restricted in the application in non-returnable container field.
In the last few years, along with the development of inorganic particle technology, synthetic paper developed into gradually based on inorganic particle, and macromolecule resin is auxiliary stone paper.Stone paper is water-fast, the characteristic of high strength, low cost becomes the first-selection of packaging field.But due to the composition that stone paper is special, lack the support of string, therefore stone paper replacement art post paperboard is lower for deflection when packing box, packaging bag.In addition stone paper employs a large amount of inorganic particles as raw material, causes density large.Therefore, existing stone paper replacement art post paperboard is applied to the defect that packaging field needs to solve density and deflection.
Summary of the invention
Current stone paper is replaced art post paperboard and be there is the defect that deflection is low, density is large, thus limits the application of stone paper at packaging field.For this defect, the present invention proposes a kind of synthesis art post paperboard.This synthesis art post paperboard is using flat Calcined Kaolin from Coal Bearing Strata as deflection modifier, kaolin is coated on porous diatomite surface, both remained the low-density characteristic of diatomite thus reduced density, give again diatomite good stiffness, carry out cryogenic tensile on a blow molding plant further by thermal plastic high polymer and obtain synthesizing art post paperboard.
Synthesize a preparation method for art post paperboard, comprise following concrete steps:
(1) by weight portion be the sodium metasilicate of the diatomite of 10-15 part and 2-3 weight portion, 0.5-1 weight portion polyethylene four fluorine emulsion at grinding machine for grinding 20-30min, abrasive media employing particle diameter is the zirconia microballon of 2-4mm, due to impact and the friction of abrasive media, diatomite particle is made to absorb energy, be in the metastable state of activation, surface is activated;
(2) adding weight portion in the diatomite activated in step (1) is that the hard kaoline of 15-25 part continues grinding 30-45min, in process of lapping, diatomite surface forms the hydroxyl layer of alkalescence, hard kaoline wraps diatomite by hydroxyl layer, obtain by the completely coated diatomite of hard kaoline, its characteristic shows as hard;
(3) diatomite completely coated by hard kaoline step (2) obtained and weight portion are the calcium carbonate of 50-60 part, the high molecular polymer of 10-15 weight portion, the lubricating auxiliary agent of 2-4 weight portion mix under 80-120 DEG C of condition, then send into double screw extruder and carry out granulation, concrete each district temperature range is as follows: I district's temperature 180 ~ 190 DEG C, 190 ~ 200 DEG C, IIth district, III district's temperature 220 ~ 230 DEG C, IV district's temperature 200 ~ 210 DEG C, V district's temperature 200 ~ 180 DEG C;
(4) pellet step (3) obtained sends into blow moulding machine or calender, due to particle and screw rod, friction between particle and machine barrel and interparticle collision friction, also due to barrel external heat, particle is progressively melted simultaneously, the particle of melting to filter after decontamination from die head die orifice out through head, obtain paper blank, trimming smooth through 60-85 DEG C of roller, carry-over pinch rolls are batched and are obtained the synthesis art post paperboard of thickness at 0.3-0.5mm.
Above-mentioned preparation method, the sodium metasilicate modulus described in step (1) is between 1.5-2.
Above-mentioned preparation method, the polyethylene tetrafluoro emulsion solid content described in step (1) is 35-40%(wt).
Above-mentioned preparation method, hard kaoline described in step (2) is flat coal hard calcined kaolin radius-thickness ratio >=5, flat coal hard calcined kaolin can improve the deflection of synthesis art post paperboard as a kind of inorganic powder, but paper embrittlement can be caused when directly using, be difficult to process the synthesis art post paperboard of thickness at 0.3-0.5mm by blowing or rolling equipment.By being wrapped in by kaolin, there is flexible diatomite surface, both remained the low-density characteristic of diatomite thus reduced density, give again diatomite good stiffness, simultaneously stretching at a lower temperature by when blowing or rolling equipment drawing and forming, obtain the synthesis art post paperboard of high-stiffness.
Above-mentioned preparation method, the calcium carbonate described in step (3) is that particle diameter is at 800-1250 object powdered whiting; Described lubricating auxiliary agent is at least one in stearic acid, Tissuemat E; Described high molecular polymer is high density polyethylene (HDPE) or the degree of polymerization RPVC at 1000-1200.
Above-mentioned preparation method, the double screw extruder described in step (3) is parallel dual-screw extruding machine.
A kind of synthesis art post paperboard, is characterized in that being obtained by above-mentioned preparation method, and contain by the coated diatomite of flat coal hard calcined kaolin, not only density is low, and well-pressed degree is high, for replacing traditional art post paperboard for packing box, packaging bag.
A kind of synthesis art post paperboard and preparation method thereof, utilize flat Calcined Kaolin from Coal Bearing Strata as deflection modifier, kaolin is coated on flexible, porous diatomite surface, both remained the low-density characteristic of diatomite thus reduced density, give again diatomite good stiffness, overcome kaolin adds paper embrittlement in man-hour defect by blowing, calendering formation simultaneously, obtain high-stiffness, the low-density synthesis art post paperboard of thickness at 0.3-0.5mm.
The synthesis art post paperboard obtained by the technology of the present invention, its deflection reaches the performance requirement of paper pulp art post paperboard completely, and paper density, close to the density of paper pulp art post paperboard, can be widely used in making the package papers such as all kinds of carton, paper bag.Normative reference GB/T22806-2008, performance is as following table 1:
Table 1 the present invention synthesizes the performance comparison of art post paperboard and paper pulp art post paperboard
The present invention's one synthesis art post paperboard and preparation method thereof, compared with prior art outstanding feature and useful effect are:
1, by wrapping flat Calcined Kaolin from Coal Bearing Strata on flexible diatomite surface, the density of traditional stone and deflection being improved simultaneously, overcoming the defect of directly adding in stone paper system and using kaolin raising deflection to cause paper embrittlement.
2, utilize roller cryogenic tensile, the deflection making paper synthesize art post paperboard improves further.
The deflection of the synthesis art post paperboard 3, prepared by the method and density and paper pulp art post paperboard very close, and preparation technology is easily controlled, and cost is low, is suitable for large-scale production application, can be used for replacing the making of paper pulp art post paperboard for all kinds of packaging such as carton, paper bag.
Detailed description of the invention
Below by way of detailed description of the invention, the present invention is described in further detail, but this should be interpreted as scope of the present invention is only limitted to following example.When not departing from said method thought of the present invention, the various replacement made according to ordinary skill knowledge and customary means or change, all should be within the scope of the present invention.
embodiment 1
(1) by weight portion be the sodium metasilicate of the diatomite of 105 parts and 2 weight portions, 1 weight portion polyethylene four fluorine emulsion at grinding machine for grinding 30min, abrasive media employing particle diameter is the zirconia microballon of 2-4mm, due to impact and the friction of abrasive media, diatomite particle is made to absorb energy, be in the metastable state of activation, surface is activated;
(2) adding weight portion in the diatomite activated in step (1) is that the hard kaoline of 25 parts continues grinding 45min, in process of lapping, diatomite surface forms the hydroxyl layer of alkalescence, hard kaoline wraps diatomite by hydroxyl layer, obtain by the completely coated diatomite of hard kaoline, its characteristic shows as hard;
(3) diatomite completely coated by hard kaoline step (2) obtained and weight portion are that calcium carbonate, the RPVC of 10 weight portions, the Tissuemat E of 2 weight portions of 50 parts mixes under 80-120 DEG C of condition, then send into double screw extruder and carry out granulation, concrete each district temperature range is as follows: I district's temperature 180 ~ 190 DEG C, 190 ~ 200 DEG C, IIth district, III district's temperature 220 ~ 230 DEG C, IV district's temperature 200 ~ 210 DEG C, V district's temperature 200 ~ 180 DEG C;
(4) blow moulding machine sent into by pellet step (3) obtained, due to particle and screw rod, friction between particle and machine barrel and interparticle collision friction, also due to barrel external heat, particle is progressively melted simultaneously, the particle of melting to filter after decontamination from die head die orifice out through head, obtain paper blank, trimming smooth through 60-85 DEG C of roller, carry-over pinch rolls are batched and are obtained the synthesis art post paperboard of thickness at 0.3mm.
By test, the synthesis art post paperboard performance that the present embodiment obtains is: density (proportion) 0.9g/cm
3, quantitative 270g/cm
2, Taibo deflection longitudinal 9.2mNm, horizontal 4.6mNm, folding strength is greater than 2000 times, smoothness 89s.Reach the performance indications of paper pulp art post paperboard completely.
embodiment 2
(1) by weight portion be the sodium metasilicate of the diatomite of 12 parts and 2.5 weight portions, 0.5 weight portion polyethylene four fluorine emulsion at grinding machine for grinding 20min, abrasive media employing particle diameter is the zirconia microballon of 2-4mm, due to impact and the friction of abrasive media, diatomite particle is made to absorb energy, be in the metastable state of activation, surface is activated;
(2) adding weight portion in the diatomite activated in step (1) is that the hard kaoline of 2025 parts continues grinding 45min, in process of lapping, diatomite surface forms the hydroxyl layer of alkalescence, hard kaoline wraps diatomite by hydroxyl layer, obtain by the completely coated diatomite of hard kaoline, its characteristic shows as hard;
(3) diatomite completely coated by hard kaoline step (2) obtained and weight portion are that calcium carbonate, the high density polyethylene (HDPE) of 15 weight portions, the stearic acid of 3 weight portions of 55 parts mixes under 80-120 DEG C of condition, then send into double screw extruder and carry out granulation, concrete each district temperature range is as follows: I district's temperature 180 ~ 190 DEG C, 190 ~ 200 DEG C, IIth district, III district's temperature 220 ~ 230 DEG C, IV district's temperature 200 ~ 210 DEG C, V district's temperature 200 ~ 180 DEG C;
(4) calender sent into by pellet step (3) obtained, due to particle and screw rod, friction between particle and machine barrel and interparticle collision friction, also due to barrel external heat, particle is progressively melted simultaneously, the particle of melting to filter after decontamination from die head die orifice out through head, obtain paper blank, trimming smooth through 60-85 DEG C of roller, carry-over pinch rolls are batched and are obtained the synthesis art post paperboard of thickness at 0.5mm.
embodiment 3
(1) by weight portion be the sodium metasilicate of the diatomite of 15 parts and 3 weight portions, 1 weight portion polyethylene four fluorine emulsion at grinding machine for grinding 25min, abrasive media employing particle diameter is the zirconia microballon of 2-4mm, due to impact and the friction of abrasive media, diatomite particle is made to absorb energy, be in the metastable state of activation, surface is activated;
(2) adding weight portion in the diatomite activated in step (1) is that the hard kaoline of 15 parts continues grinding 30min, in process of lapping, diatomite surface forms the hydroxyl layer of alkalescence, hard kaoline wraps diatomite by hydroxyl layer, obtain by the completely coated diatomite of hard kaoline, its characteristic shows as hard;
(3) diatomite completely coated by hard kaoline step (2) obtained and weight portion are that calcium carbonate, the polyvinyl chloride of 10 weight portions, the Tissuemat E of 4 weight portions of-60 parts mixes under 80-120 DEG C of condition, then send into double screw extruder and carry out granulation, concrete each district temperature range is as follows: I district's temperature 180 ~ 190 DEG C, 190 ~ 200 DEG C, IIth district, III district's temperature 220 ~ 230 DEG C, IV district's temperature 200 ~ 210 DEG C, V district's temperature 200 ~ 180 DEG C;
(4) calender sent into by pellet step (3) obtained, due to particle and screw rod, friction between particle and machine barrel and interparticle collision friction, also due to barrel external heat, particle is progressively melted simultaneously, the particle of melting to filter after decontamination from die head die orifice out through head, obtain paper blank, trimming smooth through 60-85 DEG C of roller, carry-over pinch rolls are batched and are obtained the synthesis art post paperboard of thickness at 0.4mm.
embodiment 4
(1) by weight portion be the sodium metasilicate of the diatomite of 10 parts and 2 weight portions, 1 weight portion polyethylene four fluorine emulsion at grinding machine for grinding 30min, abrasive media employing particle diameter is the zirconia microballon of 2-4mm, due to impact and the friction of abrasive media, diatomite particle is made to absorb energy, be in the metastable state of activation, surface is activated;
(2) adding weight portion in the diatomite activated in step (1) is that the hard kaoline of 20 parts continues grinding 45min, in process of lapping, diatomite surface forms the hydroxyl layer of alkalescence, hard kaoline wraps diatomite by hydroxyl layer, obtain by the completely coated diatomite of hard kaoline, its characteristic shows as hard;
(3) diatomite completely coated by hard kaoline step (2) obtained and weight portion are that calcium carbonate, the high density polyethylene (HDPE) of 10 weight portions, the stearic acid of 2 weight portions of 60 parts mixes under 80-120 DEG C of condition, then send into double screw extruder and carry out granulation, concrete each district temperature range is as follows: I district's temperature 180 ~ 190 DEG C, 190 ~ 200 DEG C, IIth district, III district's temperature 220 ~ 230 DEG C, IV district's temperature 200 ~ 210 DEG C, V district's temperature 200 ~ 180 DEG C;
(4) blow moulding machine sent into by pellet step (3) obtained, due to particle and screw rod, friction between particle and machine barrel and interparticle collision friction, also due to barrel external heat, particle is progressively melted simultaneously, the particle of melting to filter after decontamination from die head die orifice out through head, obtain paper blank, trimming smooth through 60-85 DEG C of roller, carry-over pinch rolls are batched and are obtained the synthesis art post paperboard of thickness at 0.3mm.
Claims (7)
1. synthesize a preparation method for art post paperboard, comprise following concrete steps:
(1) by weight portion be the sodium metasilicate of the diatomite of 10-15 part and 2-3 weight portion, 0.5-1 weight portion polyethylene four fluorine emulsion at grinding machine for grinding 20-30min, abrasive media employing particle diameter is the zirconia microballon of 2-4mm, due to impact and the friction of abrasive media, diatomite particle is made to absorb energy, be in the metastable state of activation, surface is activated;
(2) adding weight portion in the diatomite activated in step (1) is that the hard kaoline of 15-25 part continues grinding 30-45min, in process of lapping, diatomite surface forms the hydroxyl layer of alkalescence, hard kaoline wraps diatomite by hydroxyl layer, obtain by the completely coated diatomite of hard kaoline, its characteristic shows as hard;
(3) diatomite completely coated by hard kaoline step (2) obtained and weight portion are the calcium carbonate of 50-60 part, the high molecular polymer of 10-15 weight portion, the lubricating auxiliary agent of 2-4 weight portion mix under 80-120 DEG C of condition, then send into double screw extruder and carry out granulation, concrete each district temperature range is as follows: I district's temperature 180 ~ 190 DEG C, 190 ~ 200 DEG C, IIth district, III district's temperature 220 ~ 230 DEG C, IV district's temperature 200 ~ 210 DEG C, V district's temperature 200 ~ 180 DEG C;
(4) pellet step (3) obtained sends into blow moulding machine or calender, due to particle and screw rod, friction between particle and machine barrel and interparticle collision friction, also due to barrel external heat, particle is progressively melted simultaneously, the particle of melting to filter after decontamination from die head die orifice out through head, obtain paper blank, trimming smooth through 60-85 DEG C of roller, carry-over pinch rolls are batched and are obtained the synthesis art post paperboard of thickness at 0.3-0.5mm.
2. a kind of preparation method synthesizing art post paperboard according to claim 1, is characterized in that: the sodium metasilicate modulus described in step (2) is between 1.5-2.
3. a kind of preparation method synthesizing art post paperboard according to claim 1, is characterized in that: the polyethylene tetrafluoro emulsion solid content described in step (2) is 35-40%(wt).
4. a kind of preparation method synthesizing art post paperboard according to claim 1, is characterized in that: the hard kaoline described in step (2) is flat coal hard calcined kaolin, radius-thickness ratio >=5.
5. a kind of preparation method synthesizing art post paperboard according to claim 1, is characterized in that: the calcium carbonate described in step (3) is that particle diameter is at 800-1250 object powdered whiting; Described lubricating auxiliary agent is at least one in stearic acid, Tissuemat E; Described high molecular polymer is high density polyethylene (HDPE) or the degree of polymerization RPVC at 1000-1200.
6. a kind of preparation method synthesizing art post paperboard according to claim 1, is characterized in that: the double screw extruder described in step (3) is parallel dual-screw extruding machine.
7. synthesize an art post paperboard, it is characterized in that: obtained by the preparation method described in any one of claim 1-6.
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| CN201510720229.7A CN105346110B (en) | 2015-10-30 | 2015-10-30 | One kind synthesis art post paperboard and preparation method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101704661A (en) * | 2009-11-18 | 2010-05-12 | 蔡茂友 | Method for preparing raw material for making paper by using stone |
| KR20130062255A (en) * | 2011-12-02 | 2013-06-12 | 그린포장 주식회사 | Method and composition for pulp - mineral synthetic paper |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101704661A (en) * | 2009-11-18 | 2010-05-12 | 蔡茂友 | Method for preparing raw material for making paper by using stone |
| KR20130062255A (en) * | 2011-12-02 | 2013-06-12 | 그린포장 주식회사 | Method and composition for pulp - mineral synthetic paper |
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Effective date of registration: 20170516 Address after: 515000, Guangdong, Shantou province Jinping District Qishan Street Long Village East Wai Applicant after: Shantou Jinshucheng Paper Co.,Ltd. Address before: 510000 unit 2414-2416, building, No. five, No. 371, Tianhe District, Guangdong, China Applicant before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Effective date of registration: 20170516 Address after: 510000 unit 2414-2416, building, No. five, No. 371, Tianhe District, Guangdong, China Applicant after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: Qingyang District of Chengdu City, Sichuan province 610091 Dragon Industrial Port East Road 4 Applicant before: CHENDU NEW KELI CHEMICAL SCIENCE Co.,Ltd. CHINA |
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Denomination of invention: A synthetic white cardboard and its preparation method Effective date of registration: 20230907 Granted publication date: 20170613 Pledgee: Shantou Branch of China Construction Bank Co.,Ltd. Pledgor: Shantou Jinshucheng Paper Co.,Ltd. Registration number: Y2023980055616 |