CN106751450A - A kind of water-soluble core material - Google Patents
A kind of water-soluble core material Download PDFInfo
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- CN106751450A CN106751450A CN201610988258.6A CN201610988258A CN106751450A CN 106751450 A CN106751450 A CN 106751450A CN 201610988258 A CN201610988258 A CN 201610988258A CN 106751450 A CN106751450 A CN 106751450A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08L61/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
- C08L61/28—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with melamine
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
- B29C33/52—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles soluble or fusible
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/76—Cores
-
- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
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- 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
- C08K3/16—Halogen-containing compounds
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- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- 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
-
- 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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
-
- 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
- C08K3/32—Phosphorus-containing compounds
-
- 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
- C08K3/34—Silicon-containing compounds
- C08K3/346—Clay
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- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/06—Elements
-
- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/10—Silicon-containing compounds
-
- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
-
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2206—Oxides; Hydroxides of metals of calcium, strontium or barium
-
- 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
- C08K2003/262—Alkali metal carbonates
-
- 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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
-
- 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
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/324—Alkali metal phosphate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Abstract
The invention belongs to product of rubber and plastic field shaping technique.With water soluble salt, melamino-formaldehyde Moulding powder, inorganic bentonite as material of main part, enhancing, hygroscopic material are dosed, mixed using high speed shear.Water-soluble core material of the present invention, the composition of material is by weight：Nodeless mesh water water soluble salt：100 parts；Melamino-formaldehyde Moulding powder：19~125 parts；Inorganic bentonite：6~125 parts；Chopped strand：0~20 part；Hygroscopic agent：0~17 part.The water-soluble core, good water solubility, defeated and dispersed speed is fast, and compressive strength is high, and abrasion resistance is strong, and temperature tolerance is good, and processing technology is simple, can direct mould molding shape for needed for core, it is also possible to be hot pressed into core blank, use and be machined the shape for needed for.Suitable for shaping hollow products, the shaping of hollow product of rubber and plastic is particularly well-suited to.
Description
Technical field
The invention belongs to product of rubber and plastic field shaping technique, it is related to core material technology, more particularly to water-soluble core material
Material and its technology of preparing.
Background technology
Soluble core is mainly used in the manufacture of the industrial part with complicated inner cavity structure, because complicated inner cavity cannot be adopted
It is machined into, generally by the use of soluble core as cavity backing material, is removed soluble core is molten after forming parts（Or molten remove）.
The technique is largely used in the hot investment casting of metal parts, technology also relative maturity.In product of rubber and plastic manufacture field, there is also
Large amount of complex three-dimensional bending tubular member or closing hollow structural member, are limited by material characteristicses, it is impossible to use core pulling technique
Or forced stripper mechanism one-shot forming, it is also desirable to use soluble core technology, but for metal casting all kinds of cores some need height
Temperature or corrosion is molten removes, heat resisting temperature is low in itself for some cores, low intensity, is unsuitable for the processing of product of rubber and plastic, accordingly, it would be desirable to develop
Product of rubber and plastic is molded special core, wherein water-soluble soluble core is due to having the advantages that pollution-free, harmless to product turning into
The prior development direction of soluble core.In product of rubber and plastic forming field, patent of invention DE 19534836 discloses a kind of for noting
Penetrate the soluble resin adhesives of shaping, being bonded the granular materials such as sand, metal or glass by polyvinyl alcohol constitutes, can multilayer into
Type.
Patent of invention CN 1792600A disclose a kind of water being made up of water soluble salt, thermosetting resin and other auxiliary agents
Dissolubility loses core material, can be used for injection moulding.But water soluble salt content is more than 90%, and core strength is not high, and core is molten except the time
It is more long.
The content of the invention
The present invention is shaped to application background with rubber, plastics complexity hollow product, there is provided a kind of product of rubber and plastic thermoforming work
The fast instant water-soluble soluble core material for removing of skill high temperature resistant, high intensity, normal temperature.
The object of the present invention is achieved like this, based on water soluble salt, melamino-formaldehyde Moulding powder, inorganic bentonite
Body material, doses enhancing, hygroscopic material, and completing core using the technique such as high speed shear mixing, hot-forming manufactures.
Water-soluble core material of the present invention, the composition of material is by weight：
Nodeless mesh water water soluble salt：100 parts；
Melamino-formaldehyde Moulding powder：19~125 parts；
Inorganic bentonite：6~125 parts；
Chopped strand：0~20 part；
Hygroscopic agent：0~17 part；
The hygroscopic agent is the one kind in calcium oxide, calcium chloride, aluminum oxide.
Water-soluble core material of the present invention, the composition of material is by weight：
Nodeless mesh water water soluble salt：100 parts；
Melamino-formaldehyde Moulding powder：26~80 parts；
Inorganic bentonite：15~78 parts；
Chopped strand：4.5~12 parts；
Hygroscopic agent：1.5~7 parts.
Water-soluble core material of the present invention, the composition of material is by weight：
Nodeless mesh water water soluble salt：100 parts；
Melamino-formaldehyde Moulding powder：40~80 parts；
Inorganic bentonite：20~83 parts；
Chopped strand：6~12 parts；
Hygroscopic agent：3~10 parts.
Water-soluble core material of the present invention, water soluble salt used is selected from carbonate, sulfate, phosphate, chlorination
One kind or its mixed system in thing salt.
Water-soluble core material of the present invention, inorganic bentonite used is in sodium bentonite or calcium-base bentonite
A kind of or its mixed system.
Water-soluble core material of the present invention, chopped strand length 0.5mm~10 mm used.
The preparation method of water-soluble core material of the present invention, including dry and shear-mixed process, its feature exists
In：150 DEG C~200 DEG C of water soluble salt, dry 1h~2h；Shear-mixed technique uses high shear mixers, and 5000rpm~
25000 rpm/0.5min~2min.
Water-soluble core of the present invention, good water solubility, defeated and dispersed speed is fast, and compressive strength is high, and abrasion resistance is strong, heatproof
Property it is good, processing technology is simple, can direct mould molding shape for needed for core, it is also possible to core blank is hot pressed into, using machine
Tool is processed as required shape.Suitable for shaping hollow products, the shaping of hollow product of rubber and plastic is particularly well-suited to.
Specific embodiment
The technical scheme that invention is related to is described in detail with reference to embodiment, but not as the limit to the content of the invention
System.It is related to material in terms of mass parts.
Embodiment 1
Potassium carbonate is dried into 1.5h at 150 DEG C, 100 parts is weighed, with 125 parts of melamino-formaldehyde Moulding powder MM-2615,83 parts of sodium
Base bentonite, 17 parts of calcium oxide are put into high shear mixers with the rotating speed mixing 2min of 5000rpm after slightly mixing, and obtain water-soluble
Property core material.
130 DEG C of preheating 20min, take out in the mould for adding 150 DEG C, and shaping obtains core under the conditions of 18MPa, 15min.
The MPa of compressive strength 212, mass loss rate is 16.4% after immersion 10min（Specimen size 10mm × 10mm × 4 mm）, normal temperature
The complete molten core time is 2.4h（Specimen size 50mm × 50mm × 10 mm）.
Embodiment 2
Sodium sulphate is dried into 1h at 200 DEG C, 100 parts is weighed, with 40 parts of melamino-formaldehyde Moulding powder DF6061,60 parts of part calcium bases
Be put into high shear mixers after chopped carbon fibers bentonite, 65 sodium bentonites, 20 parts of 1mm~5mm long are slightly mixed with
The rotating speed mixing 1min of 20000rpm, obtains water-soluble core material.
140 DEG C of preheating 15min, take out in the mould for adding 140 DEG C, and shaping obtains core under the conditions of 10MPa, 35min.
Compressive strength 226MPa, mass loss rate is 17.3% after immersion 10min, and the normal temperature molten core time completely is 2.2h.
Embodiment 3
Potassium carbonate and sodium chloride are dried into 1.5h at 150 DEG C, 50 parts is respectively weighed, with 70 parts of melamino-formaldehyde Moulding powder MM-
2615th, be put into high shear mixers after chopped boron fibres 10 parts of sodium bentonites, 10 parts of 5mm~8mm long are slightly mixed with
The rotating speed mixing 0.5min of 25000rpm, obtains water-soluble core material.
130 DEG C of preheating 20min, take out in the mould for adding 155 DEG C, and shaping obtains core under the conditions of 15MPa, 20min.
Compressive strength 268MPa, mass loss rate is 19.8% after immersion 10min, and the normal temperature molten core time completely is 1.8h.
Embodiment 4
Sodium sulphate is dried into 2h at 180 DEG C, 100 parts are weighed, it is swollen with 19 parts of melamino-formaldehyde Moulding powder DF6061,6 parts of sodium bases
Profit soil is put into high shear mixers with the rotating speed mixing 1.6min of 10000rpm after slightly mixing, and obtains water-soluble core material.
145 DEG C of preheating 10min, take out in the mould for adding 150 DEG C, and shaping obtains core under the conditions of 15MPa, 25min,
Compressive strength 155MPa, mass loss rate is 26.7% after immersion 10min, and the normal temperature molten core time completely is 1.1h.
Embodiment 5
Potassium carbonate is dried into 1.5h at 150 DEG C, 100 parts is weighed, with 57 parts of melamino-formaldehyde Moulding powder DF239,125 parts of sodium bases
Bentonite, chopped aramid fiber 12 parts of 0.5mm~3mm long, 10 parts of calcium chloride hygroscopic agents are put into high speed shear mixing after slightly mixing
With the rotating speed mixing 0.5min of 20000rpm in machine, water-soluble core material is obtained.
135 DEG C of preheating 15min, take out in the mould for adding 165 DEG C, and shaping obtains core under the conditions of 25MPa, 10min,
The MPa of compressive strength 196, mass loss rate is 18.8% after immersion 10min, and the normal temperature molten core time completely is 2.1h.
Embodiment 6
Sodium chloride is dried into 1h at 200 DEG C, 100 parts are weighed, it is swollen with 80 parts of melamino-formaldehyde Moulding powder DF239,55 parts of sodium bases
Profit soil is put into high shear mixers with the rotating speed mixing 1min of 25000rpm after slightly mixing, and obtains water-soluble core material.
135 DEG C of preheating 20min, take out in the mould for adding 160 DEG C, and shaping obtains core under the conditions of 10MPa, 15min.
The MPa of compressive strength 178, mass loss rate is 18.4% after immersion 10min, and the normal temperature molten core time completely is 2.1h.
Embodiment 7
Potassium carbonate is dried into 1h at 200 DEG C, 100 parts are weighed, with 26 parts of melamino-formaldehyde Moulding powders, 15 parts of sodium bentonites,
Be put into high shear mixers after short glass fiber 4.5 parts of 6mm~10mm long, 1.5 parts of aluminum oxide hygroscopic agents are slightly mixed with
The rotating speed mixing 1.5min of 15000rpm, obtains water-soluble core material.
150 DEG C of preheating 13min, take out in the mould for adding 163 DEG C, and shaping obtains core under the conditions of 22MPa, 20min.
The MPa of compressive strength 203, mass loss rate is 25.5% after immersion 10min, and the normal temperature molten core time completely is 1.3h.
Embodiment 8
Sodium phosphate is dried into 1.5h at 200 DEG C, 100 parts is weighed, with 43 parts of melamino-formaldehyde Moulding powder MM-2255,78 parts of sodium
High speed shear is put into after chopped alumina silicate fibre base bentonite, 6 parts of 0.5mm~3mm long, 7 parts of calcium oxide hygroscopic agents are slightly mixed to mix
With the rotating speed mixing 0.8min of 10000rpm in conjunction machine, water-soluble core material is obtained.
140 DEG C of preheating 20min, take out in the mould for adding 148 DEG C, and shaping obtains core under the conditions of 25MPa, 25min.
The MPa of compressive strength 163, mass loss rate is 20.2% after immersion 10min, and the normal temperature molten core time completely is 1.6h.
Embodiment 9
By sodium carbonate in 200 DEG C, drying 2h, 100 parts are weighed, with 37 parts of melamino-formaldehyde Moulding powder DF6061,20 parts of calcium bases
High speed shear mixing is put into after chopped silicon dioxide fibre bentonite, 9 parts of 6mm~10mm long, 3 parts of calcium oxide hygroscopic agents are slightly mixed
With the rotating speed mixing 1min of 15000rpm in machine, water-soluble core material is obtained.
140 DEG C of preheating 10min, take out in the mould for adding 150 DEG C, and shaping obtains core under the conditions of 15MPa, 15min.
The MPa of compressive strength 232, mass loss rate is 21.7% after immersion 10min, and the normal temperature molten core time completely is 1.6h.
Claims (7)
1. a kind of water-soluble core material, the composition of material is by weight：
Nodeless mesh water water soluble salt：100 parts；
Melamino-formaldehyde Moulding powder：19~125 parts；
Inorganic bentonite：6~125 parts；
Chopped strand：0~20 part；
Hygroscopic agent：0~17 part；
The hygroscopic agent is the one kind in calcium oxide, calcium chloride, aluminum oxide.
2. water-soluble core material according to claim 1, the composition of material is by weight：
Nodeless mesh water water soluble salt：100 parts；
Melamino-formaldehyde Moulding powder：26~80 parts；
Inorganic bentonite：15~78 parts；
Chopped strand：4.5~12 parts；
Hygroscopic agent：1.5~7 parts.
3. water-soluble core material according to claim 1, the composition of material is by weight：
Nodeless mesh water water soluble salt：100 parts；
Melamino-formaldehyde Moulding powder：40~80 parts；
Inorganic bentonite：20~83 parts；
Chopped strand：6~12 parts；
Hygroscopic agent：3~10 parts.
4. the water-soluble core material according to claims 1 to 3 any one, water soluble salt used is selected from carbonate, sulphur
One kind or its mixed system in hydrochlorate, phosphate, chloride salt.
5. the water-soluble core material according to claims 1 to 3 any one, inorganic bentonite used is sodium bentonite
Or one kind or its mixed system in calcium-base bentonite.
6. the water-soluble core material according to claims 1 to 3 any one, chopped strand length 0.5mm~10 used
mm。
7. the preparation method of the water-soluble core material according to claims 1 to 3 any one, including dry and shearing is mixed
Conjunction process, it is characterised in that：150 DEG C~200 DEG C of water soluble salt, dry 1h~2h；Shear-mixed technique is mixed using high speed shear
Conjunction machine, 5000rpm~25000 rpm/0.5min~2min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610988258.6A CN106751450A (en) | 2016-11-10 | 2016-11-10 | A kind of water-soluble core material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610988258.6A CN106751450A (en) | 2016-11-10 | 2016-11-10 | A kind of water-soluble core material |
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| CN106751450A true CN106751450A (en) | 2017-05-31 |
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ID=58972804
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114248378A (en) * | 2021-12-21 | 2022-03-29 | 常州巨德新材料有限公司 | Plastic molding method with cavity |
| EP3984715A1 (en) * | 2020-10-13 | 2022-04-20 | Technische Universität München | Fiber-reinforced soluble core |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1232397A (en) * | 1967-09-15 | 1971-05-19 | ||
| DE102004006600B4 (en) * | 2004-02-11 | 2006-03-23 | Ks Aluminium-Technologie Ag | Removable metal casting core and method of making a core |
| CN1792600A (en) * | 2005-12-30 | 2006-06-28 | 中国兵器工业集团第五三研究所 | Water-solubility out-of-core material for injuction moulding |
| CN101269401A (en) * | 2008-05-13 | 2008-09-24 | 西安康博新材料科技有限公司 | Highly tenacious soluble composite material salt core and production method |
| CN104399865A (en) * | 2014-12-01 | 2015-03-11 | 湖南江滨机器（集团）有限责任公司 | Water-soluble graphite composited salt core material, graphite composited salt core and preparation method thereof |
| CN104646593A (en) * | 2013-11-19 | 2015-05-27 | 朱华 | Process for preparing soluble composite salt core |
-
2016
- 2016-11-10 CN CN201610988258.6A patent/CN106751450A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1232397A (en) * | 1967-09-15 | 1971-05-19 | ||
| DE102004006600B4 (en) * | 2004-02-11 | 2006-03-23 | Ks Aluminium-Technologie Ag | Removable metal casting core and method of making a core |
| CN1792600A (en) * | 2005-12-30 | 2006-06-28 | 中国兵器工业集团第五三研究所 | Water-solubility out-of-core material for injuction moulding |
| CN101269401A (en) * | 2008-05-13 | 2008-09-24 | 西安康博新材料科技有限公司 | Highly tenacious soluble composite material salt core and production method |
| CN104646593A (en) * | 2013-11-19 | 2015-05-27 | 朱华 | Process for preparing soluble composite salt core |
| CN104399865A (en) * | 2014-12-01 | 2015-03-11 | 湖南江滨机器（集团）有限责任公司 | Water-soluble graphite composited salt core material, graphite composited salt core and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3984715A1 (en) * | 2020-10-13 | 2022-04-20 | Technische Universität München | Fiber-reinforced soluble core |
| CN114248378A (en) * | 2021-12-21 | 2022-03-29 | 常州巨德新材料有限公司 | Plastic molding method with cavity |
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