CN114346236B - Tungsten resin composite material and preparation method thereof - Google Patents
Tungsten resin composite material and preparation method thereof Download PDFInfo
- Publication number
- CN114346236B CN114346236B CN202111493148.XA CN202111493148A CN114346236B CN 114346236 B CN114346236 B CN 114346236B CN 202111493148 A CN202111493148 A CN 202111493148A CN 114346236 B CN114346236 B CN 114346236B
- Authority
- CN
- China
- Prior art keywords
- parts
- weight
- tungsten
- resin composite
- composite material
- 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.)
- Active
Links
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 239000010937 tungsten Substances 0.000 title claims abstract description 55
- 229910052721 tungsten Inorganic materials 0.000 title claims abstract description 55
- 239000000463 material Substances 0.000 title claims abstract description 52
- 239000000805 composite resin Substances 0.000 title claims abstract description 44
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical class O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 87
- 239000011230 binding agent Substances 0.000 claims abstract description 33
- -1 D-mannuronate disaccharide Chemical class 0.000 claims abstract description 15
- 239000000853 adhesive Substances 0.000 claims abstract description 14
- 230000001070 adhesive effect Effects 0.000 claims abstract description 14
- 229920001903 high density polyethylene Polymers 0.000 claims abstract description 12
- 239000004700 high-density polyethylene Substances 0.000 claims abstract description 12
- 229920001684 low density polyethylene Polymers 0.000 claims abstract description 12
- 239000004702 low-density polyethylene Substances 0.000 claims abstract description 12
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 claims abstract description 10
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims abstract description 10
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000004327 boric acid Substances 0.000 claims abstract description 10
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000377 silicon dioxide Substances 0.000 claims description 26
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 24
- 235000012239 silicon dioxide Nutrition 0.000 claims description 24
- 239000002253 acid Substances 0.000 claims description 16
- 239000002002 slurry Substances 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 15
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 14
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 238000001746 injection moulding Methods 0.000 claims description 11
- 239000000243 solution Substances 0.000 claims description 11
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims description 8
- VXAUWWUXCIMFIM-UHFFFAOYSA-M aluminum;oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Al+3] VXAUWWUXCIMFIM-UHFFFAOYSA-M 0.000 claims description 8
- 239000008367 deionised water Substances 0.000 claims description 8
- 229910021641 deionized water Inorganic materials 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 235000006408 oxalic acid Nutrition 0.000 claims description 8
- 235000010413 sodium alginate Nutrition 0.000 claims description 8
- 229940005550 sodium alginate Drugs 0.000 claims description 8
- 239000000661 sodium alginate Substances 0.000 claims description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims description 7
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims description 7
- SJECZPVISLOESU-UHFFFAOYSA-N 3-trimethoxysilylpropan-1-amine Chemical group CO[Si](OC)(OC)CCCN SJECZPVISLOESU-UHFFFAOYSA-N 0.000 claims description 7
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 7
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims description 7
- 239000005642 Oleic acid Substances 0.000 claims description 7
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims description 7
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 7
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 7
- AEMOLEFTQBMNLQ-UHFFFAOYSA-N beta-D-galactopyranuronic acid Natural products OC1OC(C(O)=O)C(O)C(O)C1O AEMOLEFTQBMNLQ-UHFFFAOYSA-N 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims description 2
- 239000007822 coupling agent Substances 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 2
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 claims description 2
- APSBXTVYXVQYAB-UHFFFAOYSA-M sodium docusate Chemical group [Na+].CCCCC(CC)COC(=O)CC(S([O-])(=O)=O)C(=O)OCC(CC)CCCC APSBXTVYXVQYAB-UHFFFAOYSA-M 0.000 claims description 2
- 230000032683 aging Effects 0.000 abstract description 15
- 238000005260 corrosion Methods 0.000 abstract description 14
- 230000007797 corrosion Effects 0.000 abstract description 14
- 241000251468 Actinopterygii Species 0.000 abstract description 6
- 239000011664 nicotinic acid Substances 0.000 abstract description 6
- 230000000052 comparative effect Effects 0.000 description 17
- 238000012360 testing method Methods 0.000 description 12
- 239000011347 resin Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 238000005245 sintering Methods 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical class [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a tungsten resin composite material and a preparation method thereof, wherein the tungsten resin composite material comprises the following components in parts by weight: 85-98 parts of tungsten powder and 1-10 parts of binder; the adhesive comprises the following components in parts by weight: 55-70 parts of high-density polyethylene, 10-20 parts of low-density polyethylene, 8-15 parts of dioctyl phthalate, 4-9 parts of modified silicon dioxide, 1-4 parts of boric acid, 1-3 parts of D-mannuronate disaccharide and 0.2-0.8 part of stearic acid amide. The tungsten resin composite material has good ageing resistance and corrosion resistance, has wide application prospect, and can be well applied to fishhooks or bionic fish materials; the binder does not need to be sintered and removed in the preparation process, so that the cost can be effectively reduced, meanwhile, the binder can be effectively filled between tungsten and tungsten, and the overall density and formability are improved.
Description
Technical Field
The invention relates to the field of tungsten materials, in particular to a tungsten resin composite material and a preparation method thereof.
Background
At present, fishing is a method for capturing fishes, and fishing sports are popular widely. Lead is widely applied to lead head materials for fishing or used as bionic bait materials, but lead is toxic after long-term use, is not environment-friendly, has low production efficiency and limits the application of the lead.
Disclosure of Invention
The invention provides a tungsten resin composite material and a preparation method thereof, wherein the tungsten resin composite material has good ageing resistance and corrosion resistance.
The invention solves the technical problems by adopting the following technical scheme:
the tungsten resin composite material comprises the following components in parts by weight: 85-98 parts of tungsten powder and 1-10 parts of binder; if the amount of the binder is lower than the above value, the filling amount is insufficient, tungsten powder particles cannot be fully bonded, ageing resistance and corrosion resistance cannot be well improved, and if the amount of the binder is higher than the above value, excessive amount can be caused, so that the composite material is excessively wetted, the density is too low, and the use effect is affected.
The adhesive comprises the following components in parts by weight: 55-70 parts of high-density polyethylene, 10-20 parts of low-density polyethylene, 8-15 parts of dioctyl phthalate, 4-9 parts of modified silicon dioxide, 1-4 parts of boric acid, 1-3 parts of D-mannuronate disaccharide and 0.2-0.8 part of stearic acid amide.
The tungsten resin composite material has wide application prospect and can be well applied to fishhooks or bionic fish materials.
The inventors of the present invention have found in extensive studies that the following advantages are at least obtained by using the adhesive according to the present invention compared to other adhesives:
the adhesive does not need to be sintered and removed in the preparation process, can be well applied to fishhooks or bionic fish materials, and needs to be sintered and removed when the conventional adhesive is applied to the fishhooks or the bionic fish materials, and the sintering and removal process needs to consume a large amount of manpower and material resources, so that the price of the product is high and the competitiveness is lost.
The tungsten resin composite material prepared by adopting the adhesive has good ageing resistance and corrosion resistance.
As a preferred scheme, the tungsten resin composite material comprises the following components in parts by weight: 90-98 parts of tungsten powder and 2-10 parts of binder.
As a preferred scheme, the tungsten resin composite material comprises the following components in parts by weight: 95.6 parts of tungsten powder and 4.4 parts of binder.
The tungsten powder and the binder have the best ageing resistance and corrosion resistance under the above proportion.
As a preferred scheme, the binder comprises the following components in parts by weight: 60 parts of high-density polyethylene, 18 parts of low-density polyethylene, 10 parts of dioctyl phthalate, 8 parts of modified silicon dioxide, 2 parts of boric acid, 1.5 parts of D-mannuronic acid disaccharide and 0.5 part of stearic acid amide.
As a preferred scheme, the preparation method of the modified silicon dioxide comprises the following steps:
s1, adding 12 parts by weight of silicon dioxide, 0.5-1.2 parts by weight of sodium alginate and 0.8-2 parts by weight of pseudo-boehmite into 20-30 parts by weight of mixed acid solution to prepare silicon dioxide slurry;
s2, adding 0.2-0.8 part by weight of monoalkoxy pyrophosphite type titanate coupling, 0.2-0.8 part by weight of amino-containing silane coupling agent and 1-5 parts by weight of oleic acid into 10-20 parts by weight of absolute ethyl alcohol to prepare a modified liquid;
s3, dripping the modified liquid into the silicon dioxide slurry, uniformly mixing, and drying to obtain the modified silicon dioxide.
The modified silicon dioxide prepared by the invention is added into a formula system, so that the ageing resistance and corrosion resistance can be effectively improved, the processability is improved, the modified titanium dioxide can ensure that the binder is uniformly distributed among tungsten powder, local pores are not excessively large or excessively small, the binder is uniformly dispersed among tungsten powder, air holes are reduced, the tungsten resin composite material does not need sintering, and if the modified silicon dioxide is not added, the sintering step is required, and compared with the modified silicon dioxide prepared by other methods, the ageing resistance and corrosion resistance can be remarkably improved.
As a preferable scheme, the mixed acid is prepared from 0.5-2 parts by weight of oxalic acid, 0.5-2 parts by weight of concentrated sulfuric acid and 15-20 parts by weight of deionized water.
As a preferred embodiment, the monoalkoxy pyrophosphonate type titanate is coupled to one of isopropyl tri (dioctyl phosphoryloxy) titanate, isopropyl tri (dioctyl pyrophosphoryl) titanate, and isopropoxydioyloxy (dioctyl phosphoryloxy) titanate.
As a preferred embodiment, the aminosilane-containing coupling agent is 3-aminopropyl trimethoxysilane.
The invention also provides a preparation method of the tungsten resin composite material, which comprises the following steps:
s11, adding tungsten powder and a binder into an internal mixer, and performing 1-4 hours at 200-300 ℃ to obtain a mixture;
s12, adding the mixture into an injection molding machine, and obtaining the tungsten resin mixture through injection molding.
As a preferable scheme, the injection molding temperature is 130-170 ℃, and the injection pressure is 80-110 MPa.
The invention has the beneficial effects that: the tungsten resin composite material has good ageing resistance and corrosion resistance, has wide application prospect, can be well applied to fishhooks or bionic fish materials, and can effectively replace lead; the binder does not need to be sintered and removed in the preparation process, so that the cost can be effectively reduced, meanwhile, the binder can be effectively filled between tungsten and tungsten, and the overall density and formability are improved.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the present invention, the parts are parts by weight unless specifically stated otherwise.
Example 1
The tungsten resin composite material comprises the following components in parts by weight: 95.6 parts of tungsten powder and 4.4 parts of binder.
The adhesive comprises the following components in parts by weight: 60 parts of high-density polyethylene, 18 parts of low-density polyethylene, 10 parts of dioctyl phthalate, 8 parts of modified silicon dioxide, 2 parts of boric acid, 1.5 parts of D-mannuronic acid disaccharide and 0.5 part of stearic acid amide.
The preparation method of the modified silicon dioxide comprises the following steps:
s1, adding 12 parts by weight of silicon dioxide, 0.8 part by weight of sodium alginate and 1.5 parts by weight of pseudo-boehmite into 25.7 parts by weight of mixed acid solution to prepare silicon dioxide slurry;
s2, adding 0.6 weight part of isopropyl tri (dioctyl phosphate acyloxy) titanate, 0.5 weight part of 3-aminopropyl trimethoxy silane and 2.5 weight parts of oleic acid into 16.4 weight parts of absolute ethyl alcohol to prepare a modified liquid;
s3, dripping the modified liquid into the silicon dioxide slurry, uniformly mixing, and drying to obtain the modified silicon dioxide.
The mixed acid is prepared from 1 part by weight of oxalic acid, 1 part by weight of concentrated sulfuric acid and 18 parts by weight of deionized water.
The preparation method of the tungsten resin composite material comprises the following steps:
s11, adding tungsten powder and a binder into an internal mixer, and carrying out 3 hours at 280 ℃ to obtain a mixture;
s12, adding the mixture into an injection molding machine, wherein the injection temperature is 150 ℃, and the injection pressure is 100MPa, so as to obtain the tungsten resin mixed material.
Example 2
The tungsten resin composite material comprises the following components in parts by weight: 98 parts of tungsten powder and 2 parts of binder.
The adhesive comprises the following components in parts by weight: 65.8 parts of high-density polyethylene, 10 parts of low-density polyethylene, 15 parts of dioctyl phthalate, 4 parts of modified silicon dioxide, 4 parts of boric acid, 1 part of D-mannuronate disaccharide and 0.2 part of stearic acid amide.
The preparation method of the modified silicon dioxide comprises the following steps:
s1, adding 12 parts by weight of silicon dioxide, 0.5 part by weight of sodium alginate and 0.8 part by weight of pseudo-boehmite into 26.7 parts by weight of mixed acid solution to prepare silicon dioxide slurry;
s2, adding 0.5 part by weight of isopropoxydioxydioleate acyloxy (dioctyl phosphate acyloxy) titanate, 0.4 part by weight of 3-aminopropyl trimethoxysilane and 3 parts by weight of oleic acid into 16.1 parts by weight of absolute ethyl alcohol to prepare a modified liquid;
s3, dripping the modified liquid into the silicon dioxide slurry, uniformly mixing, and drying to obtain the modified silicon dioxide.
The mixed acid is prepared from 2 parts by weight of oxalic acid, 0.5 part by weight of concentrated sulfuric acid and 17.5 parts by weight of deionized water.
The preparation method of the tungsten resin composite material comprises the following steps:
s11, adding tungsten powder and a binder into an internal mixer, and carrying out 3 hours at 280 ℃ to obtain a mixture;
s12, adding the mixture into an injection molding machine, wherein the injection temperature is 150 ℃, and the injection pressure is 100MPa, so as to obtain the tungsten resin mixed material.
Example 3
The tungsten resin composite material comprises the following components in parts by weight: 90 parts of tungsten powder and 10 parts of binder.
The adhesive comprises the following components in parts by weight: 60.2 parts of high-density polyethylene, 20 parts of low-density polyethylene, 8 parts of dioctyl phthalate, 7 parts of modified silicon dioxide, 1 part of boric acid, 3 parts of D-mannuronate disaccharide and 0.8 part of stearic acid amide.
The preparation method of the modified silicon dioxide comprises the following steps:
s1, adding 12 parts by weight of silicon dioxide, 0.6 part by weight of sodium alginate and 1.5 parts by weight of pseudo-boehmite into 26.9 parts by weight of mixed acid solution to prepare silicon dioxide slurry;
s2, adding 0.7 part by weight of isopropyl tri (dioctyl phosphate acyloxy) titanate, 0.5 part by weight of 3-aminopropyl trimethoxy silane and 4 parts by weight of oleic acid into 14.8 parts by weight of absolute ethyl alcohol to prepare a modified liquid;
s3, dripping the modified liquid into the silicon dioxide slurry, uniformly mixing, and drying to obtain the modified silicon dioxide.
The mixed acid is prepared from 1 part by weight of oxalic acid, 1 part by weight of concentrated sulfuric acid and 18 parts by weight of deionized water.
The preparation method of the tungsten resin composite material comprises the following steps:
s11, adding tungsten powder and a binder into an internal mixer, and carrying out 3 hours at 280 ℃ to obtain a mixture;
s12, adding the mixture into an injection molding machine, wherein the injection temperature is 150 ℃, and the injection pressure is 100MPa, so as to obtain the tungsten resin mixed material.
Example 4
The tungsten resin composite material comprises the following components in parts by weight: 92 parts of tungsten powder and 8 parts of binder.
The adhesive comprises the following components in parts by weight: 56.5 parts of high-density polyethylene, 18 parts of low-density polyethylene, 12 parts of dioctyl phthalate, 8 parts of modified silicon dioxide, 3 parts of boric acid, 2 parts of D-mannuronate disaccharide and 0.5 part of stearic acid amide.
The preparation method of the modified silicon dioxide comprises the following steps:
s1, adding 12 parts by weight of silicon dioxide, 1 part by weight of sodium alginate and 1.5 parts by weight of pseudo-boehmite into 25.5 parts by weight of mixed acid solution to prepare silicon dioxide slurry;
s2, adding 0.6 part by weight of isopropoxydioxydioleate acyloxy (dioctyl phosphate acyloxy) titanate, 0.5 part by weight of 3-aminopropyl trimethoxysilane and 2.5 parts by weight of oleic acid into 16.4 parts by weight of absolute ethyl alcohol to prepare a modified liquid;
s3, dripping the modified liquid into the silicon dioxide slurry, uniformly mixing, and drying to obtain the modified silicon dioxide.
The mixed acid is prepared from 1.5 parts by weight of oxalic acid, 1.5 parts by weight of concentrated sulfuric acid and 17 parts by weight of deionized water.
The preparation method of the tungsten resin composite material comprises the following steps:
s11, adding tungsten powder and a binder into an internal mixer, and carrying out 3 hours at 280 ℃ to obtain a mixture;
s12, adding the mixture into an injection molding machine, wherein the injection temperature is 150 ℃, and the injection pressure is 100MPa, so as to obtain the tungsten resin mixed material.
Example 5
The tungsten resin composite material comprises the following components in parts by weight: 97 parts of tungsten powder and 3 parts of binder;
the adhesive comprises the following components in parts by weight: 67.1 parts of high-density polyethylene, 15 parts of low-density polyethylene, 10 parts of dioctyl phthalate, 6 parts of modified silicon dioxide, 2 parts of boric acid, 1.5 parts of D-mannuronic acid disaccharide and 0.4 part of stearic acid amide.
The preparation method of the modified silicon dioxide comprises the following steps:
s1, adding 12 parts by weight of silicon dioxide, 0.5 part by weight of sodium alginate and 0.8 part by weight of pseudo-boehmite into 26.7 parts by weight of mixed acid solution to prepare silicon dioxide slurry;
s2, adding 0.8 part by weight of isopropyl tri (dioctyl phosphate acyloxy) titanate, 0.2 part by weight of 3-aminopropyl trimethoxy silane and 1 part by weight of oleic acid into 18 parts by weight of absolute ethyl alcohol to prepare a modified liquid;
s3, dripping the modified liquid into the silicon dioxide slurry, uniformly mixing, and drying to obtain the modified silicon dioxide.
The mixed acid is prepared from 1 part by weight of oxalic acid, 1 part by weight of concentrated sulfuric acid and 18 parts by weight of deionized water.
The preparation method of the tungsten resin composite material comprises the following steps:
s11, adding tungsten powder and a binder into an internal mixer, and carrying out 3 hours at 280 ℃ to obtain a mixture;
s12, adding the mixture into an injection molding machine, wherein the injection temperature is 150 ℃, and the injection pressure is 100MPa, so as to obtain the tungsten resin mixed material.
Comparative example 1
Comparative example 1 differs from example 1 in that comparative example 1 does not contain the modified silica described, and all others are the same.
Comparative example 2
Comparative example 2 differs from example 1 in that comparative example 2 uses silica instead of modified silica, all other things being equal.
Comparative example 3
Comparative example 3 is different from example 1 in that the preparation method of the modified silica described in comparative example 3 is different from example 1, and the other are the same.
KH550 was used to modify the silica in this comparative example.
The preparation method of the modified silicon dioxide comprises the following steps:
s1, adding 12 parts by weight of silicon dioxide, 0.8 part by weight of sodium alginate and 1.5 parts by weight of pseudo-boehmite into 25.7 parts by weight of mixed acid solution to prepare silicon dioxide slurry;
s2, dripping KH550 into the silicon dioxide slurry, uniformly mixing, and drying to obtain the modified silicon dioxide.
The mixed acid is prepared from 1 part by weight of oxalic acid, 1 part by weight of concentrated sulfuric acid and 18 parts by weight of deionized water.
Comparative example 4
Comparative example 4 differs from example 1 in that the binder described in comparative example 4 differs from example 1, all else being equal.
The adhesive comprises the following components in parts by weight: 80 parts of high-density polyethylene and 20 parts of low-density polyethylene.
To further demonstrate the effect of the present invention, the following test methods were provided:
1. the tungsten resin composite materials of examples 1-5 and comparative examples 1-4 are prepared into test bars with the length of 4mm multiplied by 10mm through a die, three test bars are respectively prepared, the average value is obtained through testing, and the following tests are respectively carried out on the test bars corresponding to the test examples 1-5 and comparative examples 1-4:
(1) xenon lamp aging test, test conditions: wavelength 420nm, irradiation intensity 0.08W/m2
Irradiation, the time at which discoloration occurred was recorded. (2) Salt spray resistance test, test conditions: the sample was placed in a 4% mass fraction of NaCl solution and the time to color change was recorded, and the test results are shown in table 1.
Table 1 test results
As can be seen from Table 1, the tungsten resin composite material provided by the invention has good ageing resistance and corrosion resistance.
According to the invention, the tungsten resin composite material with good corrosion resistance and ageing resistance is obtained by optimizing the formula parameters and the preparation parameters of the modified silicon dioxide.
As can be seen from comparative examples 1 and 1-3, the addition of the modified silica provided by the invention can significantly improve the ageing resistance and corrosion resistance of the tungsten resin composite material, and the modified silica prepared by different modification methods has different influence degrees on the ageing resistance and corrosion resistance.
As can be seen from comparative examples 1 and 4, if the binder is made of only high-density polyethylene and low-density polyethylene, the corrosion resistance and ageing resistance of the tungsten resin composite material are significantly reduced, and the multi-component composite binder can significantly improve the corrosion resistance and ageing resistance.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of the claims.
Claims (9)
1. The tungsten resin composite material is characterized by comprising the following components in parts by weight: 85-98 parts of tungsten powder and 1-10 parts of binder;
the adhesive comprises the following components in parts by weight: 55-70 parts of high-density polyethylene, 10-20 parts of low-density polyethylene, 8-15 parts of dioctyl phthalate, 4-9 parts of modified silicon dioxide, 1-4 parts of boric acid, 1-3 parts of D-mannuronate disaccharide and 0.2-0.8 part of stearic acid amide;
the preparation method of the modified silicon dioxide comprises the following steps:
s1, adding 12 parts by weight of silicon dioxide, 0.5-1.2 parts by weight of sodium alginate and 0.8-2 parts by weight of pseudo-boehmite into 20-30 parts by weight of mixed acid solution to prepare silicon dioxide slurry;
s2, adding 0.2-0.8 part by weight of monoalkoxy pyrophosphite type titanate coupling, 0.2-0.8 part by weight of amino-containing silane coupling agent and 1-5 parts by weight of oleic acid into 10-20 parts by weight of absolute ethyl alcohol to prepare a modified liquid;
s3, dripping the modified liquid into the silicon dioxide slurry, uniformly mixing, and drying to obtain the modified silicon dioxide.
2. The tungsten resin composite according to claim 1, wherein the tungsten resin composite comprises, in parts by weight: 90-98 parts of tungsten powder and 2-10 parts of binder.
3. The tungsten resin composite according to claim 1, wherein the tungsten resin composite comprises, in parts by weight: 95.6 parts of tungsten powder and 4.4 parts of binder.
4. The tungsten resin composite material according to claim 1, wherein the binder comprises, in parts by weight: 60 parts of high-density polyethylene, 18 parts of low-density polyethylene, 10 parts of dioctyl phthalate, 8 parts of modified silicon dioxide, 2 parts of boric acid, 1.5 parts of D-mannuronic acid disaccharide and 0.5 part of stearic acid amide.
5. The tungsten resin composite material according to claim 1, wherein the mixed acid is prepared from 0.5-2 parts by weight of oxalic acid, 0.5-2 parts by weight of concentrated sulfuric acid and 15-20 parts by weight of deionized water.
6. The tungsten resin composite according to claim 1, wherein the monoalkoxy pyrophosphonate type titanate is coupled as one of isopropyl tri (dioctyl phosphoryloxy) titanate, isopropyl tri (dioctyl pyrophosphoryl) titanate, isopropoxydioxydioleate (dioctyl phosphoryloxy) titanate.
7. The tungsten resin composite according to claim 1, wherein the aminosilane-containing coupling agent is 3-aminopropyl trimethoxysilane.
8. A method for preparing a tungsten resin composite material, which is characterized by being used for preparing the tungsten resin composite material according to any one of claims 1-7, and comprising the following steps:
s11, adding tungsten powder and a binder into an internal mixer, and performing 1-4 hours at 200-300 ℃ to obtain a mixture;
s12, adding the mixture into an injection molding machine, and obtaining the tungsten resin composite material through injection molding.
9. The method for producing a tungsten resin composite material according to claim 8, wherein the injection molding temperature is 130 to 170 ℃ and the injection pressure is 80 to 110mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111493148.XA CN114346236B (en) | 2021-12-08 | 2021-12-08 | Tungsten resin composite material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111493148.XA CN114346236B (en) | 2021-12-08 | 2021-12-08 | Tungsten resin composite material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114346236A CN114346236A (en) | 2022-04-15 |
| CN114346236B true CN114346236B (en) | 2023-12-15 |
Family
ID=81097684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111493148.XA Active CN114346236B (en) | 2021-12-08 | 2021-12-08 | Tungsten resin composite material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114346236B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04168162A (en) * | 1990-10-31 | 1992-06-16 | Tatsuta Electric Wire & Cable Co Ltd | Sound-absorbable coating |
| US6364422B1 (en) * | 1999-08-20 | 2002-04-02 | Sumitomo Rubber Industries, Ltd. | Balance weight for vehicle wheel |
| CN1424347A (en) * | 2002-12-26 | 2003-06-18 | 上海交通大学 | Soft superhigh gravity composite materials for acoustic insulation and noise elimination |
| CN103106936A (en) * | 2013-01-28 | 2013-05-15 | 刘军 | Resinous tungsten composite material prescription and manufacturing process thereof |
| CN107459813A (en) * | 2017-08-25 | 2017-12-12 | 上海六晶科技股份有限公司 | A kind of unleaded cavity being integrally formed for shielding high-energy ray and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8940827B2 (en) * | 2008-01-22 | 2015-01-27 | Globe Composite Solutions, Ltd. | Thermosetting polymer-based composite materials |
-
2021
- 2021-12-08 CN CN202111493148.XA patent/CN114346236B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04168162A (en) * | 1990-10-31 | 1992-06-16 | Tatsuta Electric Wire & Cable Co Ltd | Sound-absorbable coating |
| US6364422B1 (en) * | 1999-08-20 | 2002-04-02 | Sumitomo Rubber Industries, Ltd. | Balance weight for vehicle wheel |
| CN1424347A (en) * | 2002-12-26 | 2003-06-18 | 上海交通大学 | Soft superhigh gravity composite materials for acoustic insulation and noise elimination |
| CN103106936A (en) * | 2013-01-28 | 2013-05-15 | 刘军 | Resinous tungsten composite material prescription and manufacturing process thereof |
| CN107459813A (en) * | 2017-08-25 | 2017-12-12 | 上海六晶科技股份有限公司 | A kind of unleaded cavity being integrally formed for shielding high-energy ray and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 冯启明等.《非金属矿产加工与开发利用》.地质出版社,2010,99-104. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114346236A (en) | 2022-04-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69807666T2 (en) | INJECTION MOLDING METHOD FOR PRODUCING MOLDED BODIES FROM CERAMIC AND / OR METAL POWDER BY GEL TRAINING | |
| CN103146299B (en) | Alcohol soluble self-adhering paint that a kind of moisture-resistant is sticky and preparation method thereof | |
| CN105945206B (en) | A kind of precoated sand resistant to high temperature | |
| TW200637673A (en) | Method of producing copper powder and copper powder | |
| CN110934153B (en) | Zirconium phosphate carrier, zirconium phosphate copper-carrying antibacterial agent, zirconium phosphate antibacterial agent, preparation method and application thereof | |
| CN102242288B (en) | Preparation method of porous titanium | |
| CN114346236B (en) | Tungsten resin composite material and preparation method thereof | |
| CN105418834B (en) | Paper-plastic water-based adhesive and preparation method thereof | |
| CN109111230A (en) | A kind of yttrium oxide-bitter earth nano composite granule and preparation method thereof | |
| CN114054769A (en) | Silver micro powder and preparation method and application thereof | |
| CN106830929B (en) | White zirconia sintered body, and preparation method and application thereof | |
| CN103755903A (en) | Furfural modified water-soluble liquid phenolic resin and preparation method thereof | |
| CN109773210A (en) | A kind of preparation method of the flower shape micro-silver powder with elongated big petal | |
| CN202376928U (en) | Coating preparation system for sintering hard alloy | |
| CN107858038B (en) | Environment-friendly strip-shaped bronze powder for gravure and preparation method thereof | |
| CN105016725B (en) | A kind of ceramic insertion core dedicated ceramic particle and preparation method thereof | |
| CN112852380B (en) | Barium sulfate electronic pouring sealant and preparation method and application thereof | |
| KR101916761B1 (en) | The manufacturing method of silver powder with high specific surface | |
| EP3804554B1 (en) | Method of producing jewelry from human milk and an epoxy resin | |
| CN103930226A (en) | Silver powder | |
| CN110003445B (en) | Amine-containing initiator, breast milk device and method for solidifying breast milk | |
| CN108249948A (en) | A kind of aluminium nitride ceramics and its preparation method and application | |
| CN108838386B (en) | Preparation method of hard alloy mixture by adopting modified wax forming agent | |
| CN109336581A (en) | Ferrite Material and preparation method thereof | |
| CN104276825A (en) | Preparation method of rare-earth neodymium electrolysis ceramic crucible |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |