CN101570413A - Acrylic artificial stone and method for preparing same - Google Patents
Acrylic artificial stone and method for preparing same Download PDFInfo
- Publication number
- CN101570413A CN101570413A CNA2008102050052A CN200810205005A CN101570413A CN 101570413 A CN101570413 A CN 101570413A CN A2008102050052 A CNA2008102050052 A CN A2008102050052A CN 200810205005 A CN200810205005 A CN 200810205005A CN 101570413 A CN101570413 A CN 101570413A
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- China
- Prior art keywords
- acrylic
- artificial stone
- acrylic artificial
- parts
- mixture
- 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.)
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Classifications
-
- 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
- C04B26/06—Acrylates
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00034—Physico-chemical characteristics of the mixtures
- C04B2111/00137—Injection moldable mixtures
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/54—Substitutes for natural stone, artistic materials or the like
- C04B2111/542—Artificial natural stone
- C04B2111/545—Artificial marble
Abstract
The invention relates to an acrylic artificial stone with natural marble surface patterns and excellent hot water resistance and a method for preparing the same. The acrylic artificial stone comprises the following components by weight portion: 40 to 70 portions of acrylic-based resin monomer, 10 to 25 portions of thickening agent, 200 to 350 portions of inorganic filler, 0.01 to 2 portions of curing agent, and 0 to 30 portions of unsaturated resin, wherein the thickening agent is a hot melt mixture of acrylic polymers and the acrylic-based resin monomer, and the molecular weight of the acrylic polymers is between 100,000 and 400,000. The method for preparing the acrylic artificial stone comprises the following steps of: putting the unsaturated resin, the acrylic-based resin monomer, the thickening agent, the inorganic filler and the curing agent in a kneader according to a formula to obtain an acrylic molding compound; and filling the molding compound in a mold and curing the molding compound at a temperature of between 100 and 145 DEG C and under a pressure of between 10 and 20MPa to prepare the acrylic artificial stone. The prepared acrylic artificial stone has excellent appearance and performance.
Description
Technical field
The present invention relates to a kind of acrylic artificial stone and preparation method thereof with natural marble surface detail and superior heat resistance water-based energy.
Background technology
The mold pressing acrylic artificial stone prepares by mineral filler such as aluminium hydroxide are sneaked into the acrylic resinoid, this acrylic artificial stone has other performance that is had of outward appearance, soft hand feeling, weathering resistance and the moulded parts of the function of various excellences and performance such as excellence, and is widely used in table top such as kitchen sales counter etc., laundry and dressing table, the anti-water surface and other construction applications.But the resinoid boiling point of acrylic hangs down and has limited its application.
Japanese Patent JP-B4-58423 has obtained the acrylic artificial stone of thermotolerance and snappiness excellence, but its molding time is very slow, and existence efficient is low, and surface effect is bad.
Japanese Patent JP-A5-32720, IP-A6-298883, JP-A6-313019 etc. have obtained performance and the very excellent acrylic artificial stone of outward appearance, but the preparation process of its thickening material is very complicated, and facility investment is also bigger, thereby have influenced its process of industrialization.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of acrylic artificial stone, and this rostone has the productive rate height, is fit to high temperature mold and the excellent advantage of molding processability energy.
Another technical problem to be solved by this invention is to provide a kind of preparation method of above-mentioned acrylic artificial stone.
The present invention solves the problems of the technologies described above the technical scheme of being taked: a kind of acrylic artificial stone comprises following component by weight:
40～70 parts of acrylic resin monomers
10～25 parts of thickening materials
200～350 parts of mineral fillers
0.01～2 part in solidifying agent,
0～30 part of unsaturated polyester,
Described thickening material is the thermosol mixture of acrylic polymers and acrylic resin monomer, and the molecular weight of acrylic polymers is 100000～400000.Wherein,
The consumption of acrylic resin monomer can be 40,45,50,55,60,65 or 70 parts;
The consumption of thickening material can be 10,12,15,18,20,22 or 25 parts;
The consumption of mineral filler can be 200,220,250,280,300,320 or 350 parts;
The consumption of solidifying agent can be 0.01,0.05,0.1,0.5,1,1.5 or 2 part.
On the basis of such scheme, described acrylic resin monomer is for containing acrylic class monofunctional monomer, preferential isobornyl methacrylate, the methyl methacrylate selected, and acrylic class polyfunctional monomer, the mixture of one or more in preferential selection dimethacrylate DOPCP, dimethacrylate 1,3 butylene glycol ester, the Viscoat 295.Monofunctional monomer and the polyfunctional monomer ratio in mixture does not limit especially.
On the basis of such scheme, described thickening material is the thermosol mixture of polymethylmethacrylate and methyl methacrylate monomer, and wherein, polymethylmethacrylate is 1: 2～4 with the mixed weight ratio of methyl methacrylate monomer.Be specifically as follows 1: 2,2.5,3,3.5 or 4, preferred 1: 3.
On the basis of such scheme, described mineral filler is a kind of or its mixture in aluminium hydroxide, silicon-dioxide, lime carbonate, talcum powder, the glass microballon.
On the basis of such scheme, described solidifying agent is a kind of in organo-peroxide, the azo-compound.
On the basis of such scheme, described unsaturated polyester is a kind of in 191 series, promptly by diprotic acid (acid anhydride) and dibasic alcohol (and condenses) through esterification, the linear unsaturated polyester resin that polycondensation forms.
Mineral filler and unsaturated polyester particle are given the clear texture graphics of acrylic artificial stone and certain thermotolerance.
On the basis of such scheme, each component of described acrylic artificial stone also comprises one or more in toughener, tinting material, inner pattern releasing agent applicable, shrinking agent, the stopper.
Preparation method at above-mentioned acrylic artificial stone, press formula ratio in the kneader and add unsaturated polyester, acrylic resin monomer, thickening material, mineral filler and solidifying agent, raw material is mediated, the kneading time generally is no more than 10 minutes, obtain the acrylic moulding compound, moulding compound is filled in the mould, at 100～145 ℃, 10～20MPa pressure solidifies down, makes acrylic artificial stone.
Concrete solidification value is: 135～145 ℃ of formpistons, 125～135 ℃ of formers.
On the basis of such scheme, the preparation method of polymer viscosifier is: add polymethylmethacrylate and methyl methacrylate in stirring tank, be heated to dissolving, stir at 60～80 ℃, churning time has no particular limits, by heated and stirred with a certain amount of polymer dissolution in a certain amount of acrylic monomer, make thickening material.
The present invention is by specific acrylic resin monomer and thickening material, and novel method for thickening produced in high yields acrylic artificial stone, be suitable for high temperature mold and have excellent molding processability energy, thickening properties and stability in storage, the acrylic artificial stone product shows excellent performance and outward appearance.
Acrylic class moulding compound also can pass through currently known methods before heating and cure under pressure, and pressure moulding method, transfer molding method, injection moulding, extrusion moulding etc. are prepared.
The invention has the beneficial effects as follows:
Have by compounding that particular thickener and monomer have excellent thickening properties and have stability in storage among the present invention, its acrylic class Preblend, be suitable for high temperature mold, the molding processability excellence, the acrylic artificial stone made from this acrylic class Preblend has excellent outward appearance and performance, thereby can be used for industrial use.
Embodiment
The preparation of A, thickening material:
Embodiment 1
Add 400 parts polymethylmethacrylate (molecular weight 100000) and 1200 parts methyl methacrylate in the stirring tank of being furnished with heating unit and refrigerating unit, heating for dissolving is made thickening material a.
Embodiment 2
Add polymethylmethacrylate (molecular weight 300000) as 400 parts and 1200 parts methyl methacrylate in the stirring tank of being furnished with heating unit and refrigerating unit, heating for dissolving obtains thickening material b.
The preparation of B, acrylic artificial stone:
Embodiment 1
In kneader, add 30 parts of methyl methacrylates, 10 parts of isobornyl methacrylates, 15 parts of dimethacrylate DOPCP are as acrylic resinoid monomer mixture, the thickening material a of 25 parts of above-mentioned preparations, 320 parts of mineral filler aluminium hydroxides, 0.8 part solidifying agent TBPB mediates 10 minutes acquisition acrylic moulding compounds (the material BMC of group) with above-mentioned raw materials.Moulding compound is placed in 60 ℃ the baking oven, even after just kneaded, also be not clamminess.
Then, this moulding compound group material is filled in the flat plate mold of 20cm, and is 140 ℃ in the formpiston temperature, the former temperature is 130 ℃, is heating and curing under the 15MPa pressure 6 minutes, to obtain the acrylic artificial stone of 8 mm thick.The surface of this rostone has high glossiness, and without any defective.
This moulding compound group expect in normal temperature place down 3 months thick also uncured, the stability in storage excellence.
Embodiment 2
In kneader, add 20 parts of methyl methacrylates, 20 parts of isobornyl methacrylates, 30 parts of dimethacrylate DOPCP are as acrylic resinoid monomer mixture, 15 parts of above-mentioned thickening material b, 320 parts of mineral filler aluminium hydroxides, 0.9 part solidifying agent TBPB mediates 10 minutes acquisition acrylic moulding compounds (the material BMC of group) with above-mentioned raw materials.Moulding compound is placed in 60 ℃ the baking oven, even after just kneaded, also be not clamminess.
Then, this moulding compound group material is filled in the flat plate mold of 20cm, and is 140 ℃ in the formpiston temperature, the former temperature is 130 ℃, is heating and curing under the 15MPa pressure 5 minutes, to obtain the acrylic artificial stone of 8 mm thick.The surface of this rostone has high glossiness, and without any defective, also has good hot water resistance.
This moulding compound group expects after normal temperature is placed 3 months down also uncured, the stability in storage excellence.
Embodiment 3
In kneader, add 20 parts of methyl methacrylates, 20 parts of isobornyl methacrylates, 30 parts of dimethacrylate DOPCP are as acrylic resinoid monomer mixture, 15 parts of above-mentioned thickening material b, 320 parts of mineral filler aluminium hydroxides, 0.9 part solidifying agent TBPB, 30 parts of unsaturated polyester particles are mediated 10 minutes to obtain acrylic moulding compound (the material BMC of group) with above-mentioned raw materials.Moulding compound is placed in 60 ℃ the baking oven, even after just kneaded, also be not clamminess its processing characteristics excellence.
Then, this moulding compound is filled in the flat plate mold of 20cm, and is 140 ℃ in the formpiston temperature, the former temperature is to be heating and curing 5 minutes under 130 ℃ and the 15MPa pressure, to obtain the acrylic artificial stone with granite shape of 8 mm thick.The surface of this rostone has high glossiness, and without any defective.
This moulding compound group expects to place 3 months down in normal temperature, and is also uncured, the stability in storage excellence.
Embodiment 4
In kneader, add 20 parts of methyl methacrylates, 20 parts of isobornyl methacrylates, 30 parts of dimethacrylate DOPCP are as acrylic resinoid monomer mixture, 15 parts of above-mentioned thickening material a, 200 parts of mineral filler aluminium hydroxides, 0.9 part solidifying agent TBPB mediates 10 minutes to obtain acrylic moulding compound T1 (the material BMC of group) with above-mentioned raw materials.Moulding compound T1 is placed in 60 ℃ the baking oven.
In kneader, add 20 parts of methyl methacrylates, 20 parts of isobornyl methacrylates, 30 parts of dimethacrylate DOPCP are as acrylic resinoid monomer mixture, 15 parts of above-mentioned thickening material b, 320 parts of mineral filler aluminium hydroxides, 0.9 part solidifying agent TBPB mediates 10 minutes to obtain acrylic moulding compound T2 (the material BMC of group) with this mixture.Moulding compound T2 is placed in 60 ℃ the baking oven.
Then with moulding compound T1 and moulding compound T2 after twin screw extruder is extruded, be filled in the flat plate mold of 20cm, and it is 140 ℃ in the formpiston temperature, the former temperature is to be heating and curing 5 minutes under 130 ℃ and the 15 MPa pressure, to obtain the acrylic artificial stone with natural marble surface of 8 mm thick, the surface of this rostone has high glossiness, and without any defective.
Claims (8)
1, a kind of acrylic artificial stone comprises following component by weight:
40～70 parts of acrylic resin monomers
10～25 parts of thickening materials
200～350 parts of mineral fillers
0.01～2 part in solidifying agent,
0～30 part of unsaturated polyester,
Wherein, described thickening material is the thermosol mixture of acrylic polymers and acrylic resin monomer, and the molecular weight of acrylic polymers is 100000～400000.
2, acrylic artificial stone according to claim 1, it is characterized in that: described acrylic resin monomer is one or more the mixture in methyl methacrylate, isobornyl methacrylate, dimethacrylate DOPCP, dimethacrylate 1,3 butylene glycol ester, the Viscoat 295.
3, acrylic artificial stone according to claim 1, it is characterized in that: described thickening material is the thermosol mixture of polymethylmethacrylate and methyl methacrylate monomer, wherein, polymethylmethacrylate is 1: 2～4 with the mixed weight ratio of methyl methacrylate monomer.
4, acrylic artificial stone according to claim 1 is characterized in that: described mineral filler is a kind of or its mixture in aluminium hydroxide, silicon-dioxide, lime carbonate, talcum powder, the glass microballon.
5, acrylic artificial stone according to claim 1 is characterized in that: described solidifying agent is a kind of in organo-peroxide, the azo-compound.
6, acrylic artificial stone according to claim 1 is characterized in that: each component of described acrylic artificial stone also comprises one or more in toughener, tinting material, inner pattern releasing agent applicable, shrinking agent, the stopper.
7, at the preparation method of the described acrylic artificial stone of one of claim 1 to 6, comply with following step: add unsaturated polyester, acrylic resin monomer, thickening material, mineral filler and solidifying agent in the kneader, raw material is mediated, obtain the acrylic moulding compound, moulding compound is filled in the mould, at 100～145 ℃, 10～20MPa pressure solidifies down, makes acrylic artificial stone.
8, the preparation method of acrylic artificial stone according to claim 7, it is characterized in that: described thickening material is polymethylmethacrylate and methyl methacrylate mixture, its preparation method is: add polymethylmethacrylate and methyl methacrylate in stirring tank, stir at 60～80 ℃ and make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102050052A CN101570413A (en) | 2008-12-30 | 2008-12-30 | Acrylic artificial stone and method for preparing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102050052A CN101570413A (en) | 2008-12-30 | 2008-12-30 | Acrylic artificial stone and method for preparing same |
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| Publication Number | Publication Date |
|---|---|
| CN101570413A true CN101570413A (en) | 2009-11-04 |
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| CNA2008102050052A Pending CN101570413A (en) | 2008-12-30 | 2008-12-30 | Acrylic artificial stone and method for preparing same |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102139551A (en) * | 2010-12-31 | 2011-08-03 | 赵保勤 | Composite acryl artificial stone with natural coral pattern and manufacturing method thereof |
| CN103508717A (en) * | 2012-06-29 | 2014-01-15 | 汤宝军 | Formula for artificial stone table surface |
| CN103570275A (en) * | 2013-09-12 | 2014-02-12 | 江门市德山复合材料科技有限公司 | Pure acrylic artificial stone as well as manufacturing method thereof |
| CN105693942A (en) * | 2016-04-22 | 2016-06-22 | 湖北必图建材科技有限公司 | Novel acrylic-based resin material applied to mineral-filled type polymer composite and production technology of novel acrylic-based resin material |
| CN106477968A (en) * | 2016-10-31 | 2017-03-08 | 佛山市震东石材有限公司 | A kind of environment protection multiple-colour jade stone entity plane materiel and its production method |
| CN106916431A (en) * | 2017-04-28 | 2017-07-04 | 苍南县通普工艺礼品有限公司 | A kind of impact-resistant acrylic diamond |
| CN106947235A (en) * | 2017-04-28 | 2017-07-14 | 苍南县通普工艺礼品有限公司 | A kind of acrylic diamond of high printing opacity |
| CN106966635A (en) * | 2017-04-28 | 2017-07-21 | 苍南县通普工艺礼品有限公司 | A kind of acrylic diamond of strong hardness |
| CN106986578A (en) * | 2017-05-03 | 2017-07-28 | 珠海市盛西源机电设备有限公司 | A kind of acrylic entity plane materiel of artificial marble and preparation method thereof |
| CN107033572A (en) * | 2017-04-28 | 2017-08-11 | 苍南县通普工艺礼品有限公司 | A kind of anti-flammability acrylic diamond |
| CN107043512A (en) * | 2017-04-28 | 2017-08-15 | 苍南县通普工艺礼品有限公司 | A kind of obdurability acrylic diamond |
| CN107200984A (en) * | 2017-06-06 | 2017-09-26 | 苍南县通普工艺礼品有限公司 | A kind of obdurability acrylic diamond and preparation method thereof |
| CN107254132A (en) * | 2017-06-06 | 2017-10-17 | 苍南县通普工艺礼品有限公司 | A kind of stable type acrylic diamond and preparation method thereof |
| CN107987506A (en) * | 2017-12-20 | 2018-05-04 | 苍南县通普工艺礼品有限公司 | A kind of acrylic diamond of light-permeable and preparation method thereof |
| CN108046655A (en) * | 2017-12-20 | 2018-05-18 | 苍南县通普工艺礼品有限公司 | A kind of acrylic diamond of high rigidity and preparation method thereof |
| CN108084685A (en) * | 2017-12-20 | 2018-05-29 | 苍南县通普工艺礼品有限公司 | A kind of novel flame-retardant acrylic diamond and preparation method thereof |
| CN108102329A (en) * | 2017-12-20 | 2018-06-01 | 苍南县通普工艺礼品有限公司 | A kind of impact-resistant acrylic diamond and preparation method thereof |
| CN108249821A (en) * | 2018-01-25 | 2018-07-06 | 方亨 | A kind of composition and its application for being used to improve artificial shell stone patterns and glossiness |
| CN109228089A (en) * | 2018-08-01 | 2019-01-18 | 深圳市铂晶艺术文化有限公司 | A kind of pmma material forming method |
| CN112276176A (en) * | 2020-10-20 | 2021-01-29 | 哈尔滨工业大学 | Micro-milling burr suppression method applied to folded waveguide slow-wave structure |
| US11691917B2 (en) | 2017-11-01 | 2023-07-04 | Caesarstone Ltd. | Compositions comprising an acrylic polymer and processes of preparing the same |
-
2008
- 2008-12-30 CN CNA2008102050052A patent/CN101570413A/en active Pending
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102139551A (en) * | 2010-12-31 | 2011-08-03 | 赵保勤 | Composite acryl artificial stone with natural coral pattern and manufacturing method thereof |
| CN102139551B (en) * | 2010-12-31 | 2013-02-13 | 赵保勤 | Composite acryl artificial stone with natural coral pattern and manufacturing method thereof |
| CN103508717A (en) * | 2012-06-29 | 2014-01-15 | 汤宝军 | Formula for artificial stone table surface |
| CN103570275A (en) * | 2013-09-12 | 2014-02-12 | 江门市德山复合材料科技有限公司 | Pure acrylic artificial stone as well as manufacturing method thereof |
| CN105693942A (en) * | 2016-04-22 | 2016-06-22 | 湖北必图建材科技有限公司 | Novel acrylic-based resin material applied to mineral-filled type polymer composite and production technology of novel acrylic-based resin material |
| CN106477968A (en) * | 2016-10-31 | 2017-03-08 | 佛山市震东石材有限公司 | A kind of environment protection multiple-colour jade stone entity plane materiel and its production method |
| CN106916431A (en) * | 2017-04-28 | 2017-07-04 | 苍南县通普工艺礼品有限公司 | A kind of impact-resistant acrylic diamond |
| CN106947235A (en) * | 2017-04-28 | 2017-07-14 | 苍南县通普工艺礼品有限公司 | A kind of acrylic diamond of high printing opacity |
| CN106966635A (en) * | 2017-04-28 | 2017-07-21 | 苍南县通普工艺礼品有限公司 | A kind of acrylic diamond of strong hardness |
| CN107033572A (en) * | 2017-04-28 | 2017-08-11 | 苍南县通普工艺礼品有限公司 | A kind of anti-flammability acrylic diamond |
| CN107043512A (en) * | 2017-04-28 | 2017-08-15 | 苍南县通普工艺礼品有限公司 | A kind of obdurability acrylic diamond |
| CN106986578A (en) * | 2017-05-03 | 2017-07-28 | 珠海市盛西源机电设备有限公司 | A kind of acrylic entity plane materiel of artificial marble and preparation method thereof |
| WO2018201744A1 (en) * | 2017-05-03 | 2018-11-08 | 珠海市盛西源机电设备有限公司 | Acrylic solid surface material for use with artificial marble and preparation method therefor |
| CN107200984A (en) * | 2017-06-06 | 2017-09-26 | 苍南县通普工艺礼品有限公司 | A kind of obdurability acrylic diamond and preparation method thereof |
| CN107254132A (en) * | 2017-06-06 | 2017-10-17 | 苍南县通普工艺礼品有限公司 | A kind of stable type acrylic diamond and preparation method thereof |
| US11691917B2 (en) | 2017-11-01 | 2023-07-04 | Caesarstone Ltd. | Compositions comprising an acrylic polymer and processes of preparing the same |
| CN107987506A (en) * | 2017-12-20 | 2018-05-04 | 苍南县通普工艺礼品有限公司 | A kind of acrylic diamond of light-permeable and preparation method thereof |
| CN108046655A (en) * | 2017-12-20 | 2018-05-18 | 苍南县通普工艺礼品有限公司 | A kind of acrylic diamond of high rigidity and preparation method thereof |
| CN108084685A (en) * | 2017-12-20 | 2018-05-29 | 苍南县通普工艺礼品有限公司 | A kind of novel flame-retardant acrylic diamond and preparation method thereof |
| CN108102329A (en) * | 2017-12-20 | 2018-06-01 | 苍南县通普工艺礼品有限公司 | A kind of impact-resistant acrylic diamond and preparation method thereof |
| CN108249821A (en) * | 2018-01-25 | 2018-07-06 | 方亨 | A kind of composition and its application for being used to improve artificial shell stone patterns and glossiness |
| CN108249821B (en) * | 2018-01-25 | 2020-11-03 | 方亨 | Composition for improving artificial stone patterns and glossiness and application thereof |
| CN109228089A (en) * | 2018-08-01 | 2019-01-18 | 深圳市铂晶艺术文化有限公司 | A kind of pmma material forming method |
| CN112276176A (en) * | 2020-10-20 | 2021-01-29 | 哈尔滨工业大学 | Micro-milling burr suppression method applied to folded waveguide slow-wave structure |
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Application publication date: 20091104 |