CN108215233A - A kind of pressure molding of resin and mineral mixing pouring piece - Google Patents
A kind of pressure molding of resin and mineral mixing pouring piece Download PDFInfo
- Publication number
- CN108215233A CN108215233A CN201711310446.4A CN201711310446A CN108215233A CN 108215233 A CN108215233 A CN 108215233A CN 201711310446 A CN201711310446 A CN 201711310446A CN 108215233 A CN108215233 A CN 108215233A
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- China
- Prior art keywords
- resin
- mold
- pouring piece
- pressure molding
- temperature
- 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
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- 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
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
- B29C67/242—Moulding mineral aggregates bonded with resin, e.g. resin concrete
- B29C67/243—Moulding mineral aggregates bonded with resin, e.g. resin concrete for making articles of definite length
Abstract
A kind of pressure molding the invention discloses resin and mineral mixing pouring piece includes：Raw material mixing step：Resin and particulate matter are mixed and added into auxiliary agent, then heat and are evacuated to complete deaeration, obtains material；Injection step：Mold is preheated to 50 60 DEG C and is tilted；By material under the pressure of 0.2 0.6MPa, from mold lower section injection die cavity, and material starts to continue during gelation terminates to gelation toward mold cavity injecting material in die cavity；While material is injected die cavity, the temperature rise of mold is adjusted to 100 120 DEG C, climbing speed is 14 DEG C/min；Demoulding step：It opens mold taking-up and pours injection, injection will be poured, sizing is kept the temperature under the conditions of 60 80 DEG C, then cooling obtains resin-cast part；The moulding process can fill the constringency cleft generated due to curing, obtained pouring piece surface zero defect well with setting of the adjusting with resultant pressure of temperature.
Description
Technical field
The present invention relates to a kind of resins and the pressure molding of mineral mixing pouring piece, belong to injection molding technology neck
Domain.
Background technology
At present, the pouring piece production technology containing artificial stone is by being formed under normal temperature and pressure by die casting, because often
Temperature, the reaction of resin is incomplete, easily leads to product surface discoloration.The normal temperature cure production cycle is long, and a hour just goes out a production
Product, inefficiency；Meanwhile because of normal pressure, the ratio of resin need to be more than 30%, the not only eighteenth of the twenty of high cost, and density is low, and what is obtained pours
Cast parts case hardness is low, and easily the defects of generation stomata shrinkage porosite, resin content is high, and product is yielding.
Invention content
For overcome the deficiencies in the prior art, the purpose of the present invention is to provide a kind of resin and mineral mixing pouring pieces
Pressure molding, the moulding process can be filled and be generated due to curing with setting of the adjusting with resultant pressure of temperature well
Constringency cleft, obtained pouring piece surface zero defect, interior pressure is relatively low, pouring piece is fine and close, consistency is good, dimensional accuracy
Height, excellent physical properties, product qualification rate are high.
Achieving the object of the present invention can be reached by adopting the following technical scheme that：A kind of resin and mineral mixing pouring piece
Pressure molding, including：
Raw material mixing step：Resin and particulate matter are mixed and added into auxiliary agent, then heat and are evacuated to complete deaeration,
Obtain material, 50-60 DEG C of material constant temperature；
Injection step：Mold is preheated to 50-60 DEG C and is tilted；By material under the pressure of 0.2-0.6MPa, from mold
Die cavity is injected in lower section, and material starts to continue during gelation terminates to gelation toward mold cavity infusion in die cavity
Expect, exhaust outlet discharge of the air in die cavity above mold；While material is injected die cavity, the temperature rise of mold is adjusted
To 100-120 DEG C, climbing speed is 1-4 DEG C/min；After the completion of material feeding, mold is laid flat；
Demoulding step：It opens mold taking-up and pours injection, injection will be poured, sizing is kept the temperature under the conditions of 60-80 DEG C, then cooled down
Obtain resin-cast part.
Further, the resin in polymethyl acrylate, unsaturated polyester resin and epoxy resin at least
It is a kind of.
Further, the particulate matter is mineral grain and/or metallic particles of the hardness in Mohs 2-7 degree, particulate matter
Grain size is 20-1200 mesh.
Further, the mineral grain is at least one of quartz sand, granite, corundum and silicon-carbide particle.
Further, the metallic particles is steel particles.
Further, in raw material mixing step, in raw material the mass percent of resin be 15-30%, the quality of particulate matter
Percentage is 70-85%, mass percent≤1% of auxiliary agent, and the mass percent summation of resin, particulate matter and auxiliary agent is
100%.
Further, in injection step, the angle of mold tilt is 45 °.
Further, in injection step, the temperature rate-of-rise of mold is 4 DEG C/min.
Further, in demoulding step, the heat preservation is fixed to keep the temperature 2h under the conditions of 80 DEG C.
Compared with prior art, the beneficial effects of the present invention are：
1st, the present invention can be filled with setting of the adjusting with resultant pressure of temperature between the contraction generated due to curing well
Gap ensures that pouring piece surface is uniform and smooth, and color uniform colorless is poor；
2nd, the heating speed of mold when the present invention is by being limited to material feeding, pressure material feeding are combined with heating, can effectively be dropped
The viscosity of low material, and the dosage of resin is reduced, the efficiency of material gel solidification is improved, improves the hardness of pouring piece.
Description of the drawings
Fig. 1 is the graph of relation of Temperature-Viscosity；
Fig. 2 is the graph of relation of heating-up time-impact strength；
Fig. 3 is the graph of relation of heating-up time-fastness time.
Specific embodiment
In the following, with reference to specific embodiment, the present invention is described further：
A kind of pressure molding of resin and mineral mixing pouring piece, including：
Raw material mixing step：Resin and particulate matter are mixed and added into auxiliary agent, then heat and are evacuated to complete deaeration,
Obtain material, 50-60 DEG C of material constant temperature；
Injection step：Mold is preheated to 50-60 DEG C and is tilted；By material under the pressure of 0.2-0.6MPa, from mold
Die cavity is injected in lower section, and material starts to continue during gelation terminates to gelation toward mold cavity infusion in die cavity
Expect, exhaust outlet discharge of the air in die cavity above mold；While material is injected die cavity, the temperature rise of mold is adjusted
To 100-120 DEG C, climbing speed is 1-4 DEG C/min；After the completion of material feeding, mold is laid flat；
Mold is set to be conducive to die venting to tilt, be laid flat mold after the completion of material feeding, be conducive in material during material feeding
Particulate matter uniform settlement to pouring piece inner surface, improve the surface abrasion resistance of pouring piece；
Pressure is limited according to the viscosity of material and the thickness of product, and material injects mold, mold heating by pressurization
And cause material gelation, material out of die cavity die wall to the gradual gelation in middle part, the material of first gelation shrink and generate to
Power is pullled in die wall direction, and the process of material gelation continues injecting material under a certain pressure in die cavity, the object injected afterwards
Material can be filled because of gap caused by gelation contraction, reduce the concave-convex defect that surface generates；In addition, pressure and temperature are matched
It closes, can effectively reduce the viscosity of material, can also reduce the dosage of resin, improve the efficiency of material gel solidification, raising is poured
The hardness of cast parts；Wherein, in die cavity material start gelation refer to material injection it is preheated and with certain temperature mold then
Material starts gelation, and mold is heated while material injects and heated up, and is warming up to the gelling temp then gelation of material
Terminate, stop injecting material, and gelling temp with the difference of ingredient resinous in material different from, be usually no more than 100
DEG C, the resin gelled temperature is set according to used resin before technique starts, is detected by temperature sensing device
The temperature of mold when the temperature rise of mold reaches resin gelled temperature, stops injecting material.
Through research, the temperature rate-of-rise of mold is also related to resin gel curing, if temperature rise is too slow, is not achieved
Reaction temperature needed for material inner macromolecule material, high molecular material will generate small molecular link or small molecule residue, make
It obtains end properties to be greatly reduced, particularly influences shock resistance, chemical stability, even causes to scrap；Therefore mold exists
It is quickly heated in short time, it is possible to reduce the probability that bubble gap generates improves the utilization rate of mold, shortens the production cycle；
Demoulding step：It opens mold taking-up and pours injection, injection will be poured, sizing is kept the temperature under the conditions of 60-80 DEG C, then cooled down
Obtain resin-cast part.
As preferred embodiment, resin is in polymethyl acrylate, unsaturated polyester resin and epoxy resin
At least one.
As preferred embodiment, particulate matter is mineral grain and/or metallic particles of the hardness in Mohs 2-7 degree,
The grain size of grain object is 20-1200 mesh.
As preferred embodiment, mineral grain is at least one in quartz sand, granite, corundum and silicon-carbide particle
Kind.
As preferred embodiment, metallic particles is steel particles.
As preferred embodiment, in raw material mixing step, the mass percent of resin is 15-30% in raw material,
The mass percent of grain object is 70-85%, mass percent≤1% of auxiliary agent, the mass percent of resin, particulate matter and auxiliary agent
Summation is 100%.
As preferred embodiment, in injection step, the angle of mold tilt is 45 °.
As preferred embodiment, in injection step, the temperature rate-of-rise of mold is 4 DEG C/min.
As preferred embodiment, in demoulding step, heat preservation is fixed to keep the temperature 2h under the conditions of 80 DEG C.
The pouring piece precision of this technique is high, surface quality is good, and curing rate is fast, and mold utility ratio is high, with short production cycle, labor
Efficiency of movement is improved；Production automation degree is high, and production is easy to operation and control, labor intensity of operating staff are low.This technique
The surface defect and internal stress of pouring piece are eliminated, compactness, comprehensive physicochemical property and the stability of material is improved, contracts significantly
The short production cycle has high-quality, efficient, energy saving, section material, pollution series of advantages small, at low cost.
The pouring piece of the present invention includes but not limited to the sink applied to the occasions such as kitchen and toilet, balcony, including
But it is not limited to kitchen basin, toilet hand basin, bathtub, shower room base, balcony Wash tub etc..
Embodiment 1：
A kind of pressure molding of sink resin and mineral mixing pouring piece, including：
Raw material mixing step：Resin and particulate matter are mixed and added into auxiliary agent, then heat and are evacuated to complete deaeration,
Obtain material, 50 DEG C of material constant temperature；
Injection step：Mold is preheated to 50 DEG C and 45 ° of inclination；By material under the pressure of 0.4MPa, from mold lower section
Die cavity is injected, and material starts gelation and terminates (the gelation of isophthalic neopentyl glycol polyester resin to gelation in die cavity
Temperature is 80 DEG C, i.e., stops material feeding when mold temperature rises to 80 DEG C) during continue toward mold cavity injecting material, in die cavity
Air above mold exhaust outlet discharge；While material is injected die cavity, the temperature rise of mold is adjusted to 100 DEG C,
Climbing speed is 4 DEG C/min；After the completion of material feeding, mold is laid flat；
Demoulding step：It opens mold taking-up and pours injection, injection will be poured, sizing 2h is kept the temperature under the conditions of 80 DEG C, then cooled down
To resin-cast part.
Resin is isophthalic neopentyl glycol polyester resin；
Particulate matter is granite granules and steel particles, and the grain size of particulate matter is 30-150 mesh；
Auxiliary agent includes but not limited to curing agent, toner, coupling agent, antifoaming agent etc.；
The mass percent of contained component is as follows in raw material：
Isophthalic neopentyl glycol polyester resin 19%；
Granite granules 79.5%；
Steel particles 0.5%；
Auxiliary agent 1%.
Embodiment 2：
A kind of pressure molding of sink resin and mineral mixing pouring piece, including：
Raw material mixing step：Resin and particulate matter are mixed and added into auxiliary agent, then heat and are evacuated to complete deaeration,
Obtain material, 50 DEG C of material constant temperature；
Injection step：Mold is preheated to 60 DEG C and 45 ° of inclination；By material under the pressure of 0.6MPa, from mold lower section
Die cavity is injected, and material starts gelation and terminates (the gelling temperature of polymethyl acrylate to gelation in die cavity
Be 80 DEG C, i.e., stop material feeding when mold temperature rises to 80 DEG C) during continue toward mold cavity injecting material, the sky in die cavity
Exhaust outlet discharge of the gas above mold；While material is injected die cavity, the temperature rise of mold is adjusted to 120 DEG C, is risen
Rate is 4 DEG C/min；After the completion of material feeding, mold is laid flat；
Demoulding step：It opens mold taking-up and pours injection, injection will be poured, sizing 2h is kept the temperature under the conditions of 80 DEG C, then cooled down
To resin-cast part.
Resin is polymethyl acrylate；
Particulate matter is quartz sand particle, and the grain size of particulate matter is 30-150 mesh；
Auxiliary agent includes but not limited to curing agent, toner, coupling agent, antifoaming agent etc.；
The mass percent of contained component is as follows in raw material：
Polymethyl acrylate 18%；
Quartz sand particle 81%；
Auxiliary agent 1%.
The detection of performance, impact flexibility (sample block size are carried out to embodiment 1,2：100 × 100 × mm), surface Pasteur it is hard
Degree, stain resistance, ball falling impact are detected according to JCT908-2013 building material industry standards, obtained by normal pouring technique
Pouring piece as a comparison case, as a result as shown in Table 1：
The performance detection of 1 comparative example of table and embodiment
The hardness of the present invention increases, and can be wiped with steel wire lump, can anti-stainless steel tableware shock not scratching.The application is resistance to
Pollution significantly improves, and is more easy to arrange.The ball falling impact and hardness of the present invention is good, and product is durable.High temperature resistant of the present invention, resistance
Color, as kitchen utensils when, can resist high-temperature hot oil and place the bottom of a pan.Resin cost reduction 10% of the present invention, goods cost reduce
27%, economy is very high.For the angle of environmental protection, routine techniques uses the open production of material, and dust is big, volatility gas
Taste is big, manual operation bad environments, and the feature of environmental protection is poor.And the fully closed conjunction state of process stream of the present invention, mechanization production, Gong Renlao
Fatigue resistance is low, and the feature of environmental protection is good, meets modern environmental protection concept.
Embodiment 3：
The viscosity change of material and the relationship of temperature
Material is prepared with the raw material and proportioning of embodiment 1.The detection of viscosity is carried out to material under different temperature conditions,
The relation curve of Temperature-Viscosity is as shown in Figure 1.It can be seen from the figure that, the promotion of temperature can be substantially reduced the viscosity of resin, flowing
Property greatly improves, and can prevent the phenomenon that Particle distribution is uneven when material viscosity is low.
Embodiment 4：
Mold temperature adjusts influence of the efficiency to finished product impact strength
Material is prepared with the raw material and proportioning of embodiment 1.To the temperature of mold is risen to 100 from 60 DEG C in injection step
Time used in DEG C is configured, to reach different rising efficiency, relation curve such as Fig. 2 of heating-up time-impact strength
Shown, the relation curve of heating-up time-fastness time is as shown in Figure 3.
It can be obtained from Fig. 2-3, the fast temperature control ability of mold is to control the guarantee of gelation time, 60-100 DEG C of temperature
The speed for spending the heating-up time of section has end properties an important influence, therefore fast regulating temperature of the present invention to mold, temperature
Degree is uniform, has certain requirement, can promote material PhastGel, is worked in coordination with technological parameter with the quality for controlling finished product.
For those skilled in the art, technical solution that can be as described above and design are made other each
Kind is corresponding to be changed and deforms, and all these change and deform the protection model that should all belong to the claims in the present invention
Within enclosing.
Claims (9)
1. a kind of pressure molding of resin and mineral mixing pouring piece, it is characterised in that including：
Raw material mixing step：Resin and particulate matter are mixed and added into auxiliary agent, then heat and are evacuated to complete deaeration, is obtained
Material, 50-60 DEG C of material constant temperature；
Injection step：Mold is preheated to 50-60 DEG C and is tilted；By material under the pressure of 0.2-0.6MPa, from mold lower section
Die cavity is injected, and material starts to continue during gelation terminates to gelation toward mold cavity injecting material in die cavity,
Exhaust outlet discharge of the air above mold in die cavity；While material is injected die cavity, adjust the temperature rise of mold to
100-120 DEG C, climbing speed is 1-4 DEG C/min；After the completion of material feeding, mold is laid flat；
Demoulding step：It opens mold taking-up and pours injection, injection will be poured, sizing is kept the temperature under the conditions of 60-80 DEG C, then cooling obtains
Resin-cast part.
2. the pressure molding of resin as described in claim 1 and mineral mixing pouring piece, which is characterized in that the resin
For at least one of polymethyl acrylate, unsaturated polyester resin and epoxy resin.
3. the pressure molding of resin as described in claim 1 and mineral mixing pouring piece, which is characterized in that the particle
Object is mineral grain and/or metallic particles of the hardness in Mohs 2-7 degree, and the grain size of particulate matter is 20-1200 mesh.
4. the pressure molding of resin as claimed in claim 3 and mineral mixing pouring piece, which is characterized in that the mineral
Particle is at least one of quartz sand, granite, corundum and silicon-carbide particle.
5. the pressure molding of resin as claimed in claim 3 and mineral mixing pouring piece, which is characterized in that the metal
Particle is steel particles.
6. the pressure molding of resin as described in claim 1 and mineral mixing pouring piece, which is characterized in that raw material mixes
In step, the mass percent of resin is 15-30% in raw material, and the mass percent of particulate matter is 70-85%, the quality of auxiliary agent
Percentage≤1%, the mass percent summation of resin, particulate matter and auxiliary agent is 100%.
7. the pressure molding of resin as described in claim 1 and mineral mixing pouring piece, which is characterized in that injection step
In, the angle of mold tilt is 45 °.
8. the pressure molding of resin as described in claim 1 and mineral mixing pouring piece, which is characterized in that injection step
In, the temperature rate-of-rise of mold is 4 DEG C/min.
9. the pressure molding of resin as described in claim 1 and mineral mixing pouring piece, which is characterized in that demoulding step
In, the heat preservation is fixed to keep the temperature 2h under the conditions of 80 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711310446.4A CN108215233B (en) | 2017-12-11 | 2017-12-11 | Pressure forming process of resin and mineral mixed casting part |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711310446.4A CN108215233B (en) | 2017-12-11 | 2017-12-11 | Pressure forming process of resin and mineral mixed casting part |
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|---|---|
| CN108215233A true CN108215233A (en) | 2018-06-29 |
| CN108215233B CN108215233B (en) | 2019-12-24 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109927257A (en) * | 2019-03-15 | 2019-06-25 | 安徽世轩机械科技有限公司 | A kind of preparation method of injecting glue part |
| CN109927233A (en) * | 2019-03-15 | 2019-06-25 | 安徽世轩机械科技有限公司 | A kind of glue injection method |
| CN109957197A (en) * | 2019-03-15 | 2019-07-02 | 安徽世轩机械科技有限公司 | A kind of production method of resin sand in naval stores |
| CN112440483A (en) * | 2020-10-30 | 2021-03-05 | 湖北耐创新材料洁具有限公司 | Pressure injection molding process for artificial quartz stone plate |
| CN113172912A (en) * | 2021-04-25 | 2021-07-27 | 临海市朵纳卫浴有限公司 | Method for manufacturing transparent bathtub |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86102325A (en) * | 1985-04-10 | 1986-10-08 | 三菱电机株式会社 | Composition epoxy resin |
| CN86104577A (en) * | 1985-07-18 | 1987-02-11 | 三菱电机株式会社 | Epoxy resin component |
| CN1142210A (en) * | 1993-12-20 | 1997-02-05 | 杜希廷泵类机械工厂有限公司及两和公司 | Process for producing machine components from cast mineral |
| CN1762677A (en) * | 2005-11-01 | 2006-04-26 | 张向增 | Sequential coagulation method for casting coil |
| CN101191007A (en) * | 2007-11-23 | 2008-06-04 | 武汉理工大学 | Method for preparing resin-base composite material containing metal particle |
| CN101474827A (en) * | 2009-01-09 | 2009-07-08 | 周显达 | Normal temperature manufacturing process for MMA high-intensity artificial stone special-shaped pot/trough |
| CN101837617A (en) * | 2010-04-15 | 2010-09-22 | 上海凯利电器厂有限公司 | Gel curing processing method of epoxy resin |
| CN104250427A (en) * | 2013-06-27 | 2014-12-31 | 三菱电机株式会社 | Cast Molding Epoxy Resin Composition, High Voltage Equipment Molded Goods Using Same, And Method Of Manufacturing High Voltage Equipment Molded Goods |
| CN104355567A (en) * | 2014-09-26 | 2015-02-18 | 金华万得福日用品有限公司 | Preparation methods for high-strength ceramic-like material and tableware made of high-strength ceramic-like material |
| WO2016150614A1 (en) * | 2015-03-26 | 2016-09-29 | Huntsman Advanced Materials (Switzerland) Gmbh | A process for the preparation of insulation systems for electrical engineering, the articles obtained therefrom and the use thereof |
| CN106833002A (en) * | 2015-12-07 | 2017-06-13 | 徐文寿 | The manufacture method of the antibiotic colored quartz basin of resin base complex abrasion-proof |
-
2017
- 2017-12-11 CN CN201711310446.4A patent/CN108215233B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86102325A (en) * | 1985-04-10 | 1986-10-08 | 三菱电机株式会社 | Composition epoxy resin |
| CN86104577A (en) * | 1985-07-18 | 1987-02-11 | 三菱电机株式会社 | Epoxy resin component |
| CN1142210A (en) * | 1993-12-20 | 1997-02-05 | 杜希廷泵类机械工厂有限公司及两和公司 | Process for producing machine components from cast mineral |
| CN1762677A (en) * | 2005-11-01 | 2006-04-26 | 张向增 | Sequential coagulation method for casting coil |
| CN101191007A (en) * | 2007-11-23 | 2008-06-04 | 武汉理工大学 | Method for preparing resin-base composite material containing metal particle |
| CN101474827A (en) * | 2009-01-09 | 2009-07-08 | 周显达 | Normal temperature manufacturing process for MMA high-intensity artificial stone special-shaped pot/trough |
| CN101837617A (en) * | 2010-04-15 | 2010-09-22 | 上海凯利电器厂有限公司 | Gel curing processing method of epoxy resin |
| CN104250427A (en) * | 2013-06-27 | 2014-12-31 | 三菱电机株式会社 | Cast Molding Epoxy Resin Composition, High Voltage Equipment Molded Goods Using Same, And Method Of Manufacturing High Voltage Equipment Molded Goods |
| CN104355567A (en) * | 2014-09-26 | 2015-02-18 | 金华万得福日用品有限公司 | Preparation methods for high-strength ceramic-like material and tableware made of high-strength ceramic-like material |
| WO2016150614A1 (en) * | 2015-03-26 | 2016-09-29 | Huntsman Advanced Materials (Switzerland) Gmbh | A process for the preparation of insulation systems for electrical engineering, the articles obtained therefrom and the use thereof |
| CN106833002A (en) * | 2015-12-07 | 2017-06-13 | 徐文寿 | The manufacture method of the antibiotic colored quartz basin of resin base complex abrasion-proof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109927257A (en) * | 2019-03-15 | 2019-06-25 | 安徽世轩机械科技有限公司 | A kind of preparation method of injecting glue part |
| CN109927233A (en) * | 2019-03-15 | 2019-06-25 | 安徽世轩机械科技有限公司 | A kind of glue injection method |
| CN109957197A (en) * | 2019-03-15 | 2019-07-02 | 安徽世轩机械科技有限公司 | A kind of production method of resin sand in naval stores |
| CN112440483A (en) * | 2020-10-30 | 2021-03-05 | 湖北耐创新材料洁具有限公司 | Pressure injection molding process for artificial quartz stone plate |
| CN113172912A (en) * | 2021-04-25 | 2021-07-27 | 临海市朵纳卫浴有限公司 | Method for manufacturing transparent bathtub |
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| Publication number | Publication date |
|---|---|
| CN108215233B (en) | 2019-12-24 |
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