CN101074315A - Production of high-specific weight resin - Google Patents
Production of high-specific weight resin Download PDFInfo
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- CN101074315A CN101074315A CN 200610050788 CN200610050788A CN101074315A CN 101074315 A CN101074315 A CN 101074315A CN 200610050788 CN200610050788 CN 200610050788 CN 200610050788 A CN200610050788 A CN 200610050788A CN 101074315 A CN101074315 A CN 101074315A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- 229920005989 resin Polymers 0.000 title claims description 40
- 239000011347 resin Substances 0.000 title claims description 40
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 35
- 239000004677 Nylon Substances 0.000 claims abstract description 29
- 229920001778 nylon Polymers 0.000 claims abstract description 29
- 239000000843 powder Substances 0.000 claims abstract description 23
- 238000002156 mixing Methods 0.000 claims abstract description 14
- 239000000314 lubricant Substances 0.000 claims abstract description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 32
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 25
- 229910000077 silane Inorganic materials 0.000 claims description 23
- 238000009775 high-speed stirring Methods 0.000 claims description 20
- 239000013543 active substance Substances 0.000 claims description 18
- 239000007822 coupling agent Substances 0.000 claims description 18
- 239000004902 Softening Agent Substances 0.000 claims description 17
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 16
- 239000002253 acid Substances 0.000 claims description 16
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 claims description 16
- 238000005453 pelletization Methods 0.000 claims description 16
- 238000001125 extrusion Methods 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 9
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 8
- 239000012752 auxiliary agent Substances 0.000 claims description 8
- 238000005282 brightening Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 239000003223 protective agent Substances 0.000 claims description 8
- 229920002521 macromolecule Polymers 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 4
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 238000010298 pulverizing process Methods 0.000 claims description 4
- MNDJKTIGCWCQIG-UHFFFAOYSA-N 4-n-naphthalen-2-ylbenzene-1,4-diamine Chemical class C1=CC(N)=CC=C1NC1=CC=C(C=CC=C2)C2=C1 MNDJKTIGCWCQIG-UHFFFAOYSA-N 0.000 claims description 3
- 239000003208 petroleum Substances 0.000 claims description 3
- DJOWTWWHMWQATC-KYHIUUMWSA-N Karpoxanthin Natural products CC(=C/C=C/C=C(C)/C=C/C=C(C)/C=C/C1(O)C(C)(C)CC(O)CC1(C)O)C=CC=C(/C)C=CC2=C(C)CC(O)CC2(C)C DJOWTWWHMWQATC-KYHIUUMWSA-N 0.000 claims description 2
- 235000011615 Pinus koraiensis Nutrition 0.000 claims description 2
- 240000007263 Pinus koraiensis Species 0.000 claims description 2
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 2
- 239000000654 additive Substances 0.000 claims description 2
- 230000000996 additive effect Effects 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- 230000008676 import Effects 0.000 claims description 2
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 claims description 2
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 235000019260 propionic acid Nutrition 0.000 claims description 2
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 claims description 2
- 238000011160 research Methods 0.000 claims description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 239000010937 tungsten Substances 0.000 claims description 2
- 230000003712 anti-aging effect Effects 0.000 abstract description 2
- 230000004913 activation Effects 0.000 abstract 1
- 239000012190 activator Substances 0.000 abstract 1
- 239000012467 final product Substances 0.000 abstract 1
- 239000004014 plasticizer Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 description 24
- 239000000463 material Substances 0.000 description 17
- 238000005516 engineering process Methods 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 231100000614 poison Toxicity 0.000 description 3
- 230000007096 poisonous effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000000748 compression moulding Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- 241000251468 Actinopterygii Species 0.000 description 1
- 239000006057 Non-nutritive feed additive Substances 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- MOOAHMCRPCTRLV-UHFFFAOYSA-N boron sodium Chemical compound [B].[Na] MOOAHMCRPCTRLV-UHFFFAOYSA-N 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000011284 combination treatment Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical group C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000005555 metalworking Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004154 testing of material Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
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- Processes Of Treating Macromolecular Substances (AREA)
Abstract
Production of high-specific weight is carried out by mixing tungsten powder with surface activator in proportion of 1000:0.8-1.5 proportion, agitating at normal temperature in ball grinder, surface activation pre-treating, mixing Nylon PA powder and coupler with plasticizer, lubricant, brightener and anti-ageing agent in proportion of 18-22:0.3-0.5:0.8-1.2:1.1-1.5:0.1-0.3:0.08-0.12 proportion, high-speed agitating in agitator at 600-900 circle/min for 6-10 mins, metering while charging for Nylon PA powder and accessory in bi-screw extruder, passing through paralleling streamline-shaped internal-cavity mouth, extruding into flake at 180-220 degree and 8-20 circle/min, and crushing to obtain final product. It's convenient and reasonable, and has excellent universal performance.
Description
Technical field
The present invention relates to a kind of production method technical field of high-specific weight resin, this method is used unique processing aid and technical recipe, adopts improved Special Equipment, can produce proportion up to 9-14, can be used for substituting the high-specific weight resin of harmful heavy metal.
Background technology
High-specific weight resin is to the influence of environment and the matrix material of the poisonous metals of developing such as replaced metallic lead at poisonous metal in recent years, it adopts thermoplastic resin as base mateiral, add the high specific gravity metal powder as weighting material, by different weight proportions and combination of materials, thereby obtain proportion more than 6, series engineering plastics with special performance and suitability.
Because its proportion and metallographic phase analogy, high-specific weight resin can be used for replacing leadwork, casting product, avoid using poisonous and harmful metallic lead pollution on the environment, in addition, high-specific weight resin has also overcome weakness such as the complicated difficult operation of metal working process, and it is base material substantially with the resin, injection moulding easy to use and compression moulding technology, simplify production process greatly, enhance productivity, reduce production costs.
Particularly European Union has put into effect the regulation that restriction uses some objectionable impurities to instruct, forbid that 6 kinds of objectionable impuritiess such as leaded, cadmium, mercury, Polybrominated biphenyl use on IT and signal equipment, entertainment electronics appliances, electronic electric equipment, toy, Leisure Sport equipment, medical facilities, watch-dog etc., make high-specific weight resin as an alternative product obtain the fabulous market opportunity.External major company such as LNP company, the numerous and confused high-specific weight fat prod of releasing oneself of RTP company.
Domestic do not have home-made high-specific weight fat prod basically, and this high-specific weight resin is different from " the high-specific weight fat prod " of magnetic plastics and other bandit's name.Produce high specific gravity metal powder and resin-bonded combination of materials (this mixing material also is high-specific weight resin) as the external MIM technology of present domestic employing, after injection moulding, become metal products with high temperature sintering again; And for example number of patent application is the Chinese patent " can at high specific gravity or low-gravity fishing articles of rivers, lake, reservoir and big marine decomposition " of CN02125042.1, the major ingredient of this product is a specific gravity-adjusting material---tungsten powder and zinc powder, add resin on this basis with cohesive force and bounding force, and adding viscosity is kept agent, weighting agent, auxiliary, then it is carried out combination treatment, make hyperbaric semi-solid state.Specific gravity-adjusting material adopts the boron sodium silicate, can produce low-gravity float for fishing product.The fishing articles that produces like this retains in rivers, lake, reservoir and big when marine, can decompose in water, can reclaim after the use again, utilizes again.Particularly can also freely increase or reduce, regulate easily rapidly the proportion that fish weighs down.It is owing to increased the acrylamide that can be dissolved in the water at fishing articles, resin after its modification can be decomposed in water, avoid contaminate environment, its progressive one side is arranged, but, basically do not have as high-specific weight resin using value on trolley part, IT and signal equipment, medical facilities, toy, Leisure Sport equipment, and on its technology unreasonable part is arranged still, make its performance can't satisfy people's demand basically yet.
Summary of the invention
Technical problem to be solved by this invention is to overcome above-mentioned defective and production method that a kind of high-specific weight resin is provided, and the resin highly versatile after its modification is functional, can use widely, and technology is more reasonable, and production operation is easy.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of production method of high-specific weight resin is characterized in that steps in sequence is:
(1) the tungsten powder surface pre-activated is handled, and by parts 1000: the 0.8-1.5 ratio is with tungsten powder and tensio-active agent pre-activated processing in ball mill at normal temperatures;
(2) high-speed stirring is mixed, in part 18-22: 0.3-0.5 a: 0.8-1.2: 1.1-1.5 part ratio stirred nylon PA powder, coupling agent, softening agent, slip(ping)agent 6-10 minute in homogenizer, stirring velocity is benchmark at 600-900 rev/min with 1000 parts of tungsten powders;
(3) extrusion moulding, with surface-treated tungsten powder, extrude in flakes in twin screw extruder and by accent mould in the parallel-flow line style through the nylon PA powder and the auxiliary agent batch mixing of high-speed stirring, the temperature of forcing machine is at 180-220 ℃, rotating speed 8-20 rev/min;
(4) pulverize or extrude pelletizing, then that slip is broken or extrude pelletizing, obtain the high-specific weight resin particle.
Described tungsten powder proportion is at the 19.1-19.5 gram per centimeter
3, fineness is in 200～300 order scopes, and the tungsten powder proportion in the system is very big, the other materials ratio is very little, and tungsten powder purity directly influences the proportion of system, and system quality is decided by degree of compactness, tungsten powder is too thick, and the degree of compactness of system is just low, but meticulous be that surface-area is excessive, just few with the resin-bonded of quantification, can influence intensity, so, in preferred range, can improve the over-all properties of system more, improve versatility, satisfy the many-sided requirement of people.
Described nylon PA fineness is more than 80 orders, because tungsten powder is heavy, the bounding force of resin just is eager to excel, and this respect PA is first-selected, preferably PA11, PA12 still, consider price and performance synthesis factor, generally select PA6 for use, melt-blended in order to disperse fast, system adopts powder, and more better.
Described tensio-active agent adopts the built reactive agent of the SA-HDR trade mark of Ningbo NengZhiGuang New Materials Science Co., Ltd's product, it adopts silane KH550: hexanodioic acid: stearylamide is 3.5-4.5: 2.5-3.5: 2.5-3.5, and dilute with 15-25 part dissolve with ethanol, their best proportionings are silane KH550: hexanodioic acid: stearylamide is 4: 3: 3, and with the dilution of 20 parts of dissolve with ethanol, it makes tungsten powder surface coat the last layer organic molecule, make it be convenient to interact, improve bonding strength by coupling agent and nylon PA.Silane (KH550), produce in Hangzhou; Hexanodioic acid: stearylamide, last marine products; Ethanol, commercially available.
Described coupling agent adopts γ-An Jibingjisanyiyangjiguiwan KH550, and produce in Hangzhou, or γ-(quadrol base) propyl trimethoxy silicane KH792 of Nanjing product, 0.3-0.5 part.
Described slip(ping)agent adopts petroleum resin P120, H100 or WE type macromolecule wax or the above talcum powder of 2000 orders, last marine products or commercially available, 1.1-1.5 part, improve the soft and mobile of material, prevent tungsten powder laminar flow and precipitate and separate and promote the material smooth surface, be convenient to make other products.
In high-speed stirring mixing or extrusion moulding, also added protective agent, N, N-two β naphthyl p-phenylenediamines (DNP) that it adopts Wenzhou to produce, or Beijing produces antioxidant 1010 { four [methylene β-(3,5-di-t-butyl 4-hydroxy phenyl) propionic acid] season the eleventh of the twelve Earthly Branches tetrol ester } 0.08-0.12 part, makes the high-specific weight resin after the modification have antiageing effect.
Also add brightening agent in high-speed stirring mixing or extrusion moulding, bright lubricant ST-40 or Sichuan morning twilight chemical research institute that it has adopted the inferior chemical industry import of last Korean pine to produce produce GM100 silicone plastics additive 0.1-0.3 part, make the surface bright more smooth.
Described softening agent adopts phosphoric acid fat BBSA, or the equal 0.8-1.2 part of ethylene bis stearamide EBS, and it can improve the plasticity of low levels nylon.
Described screw extrusion press can adopt the screw rod of shallow slot, varying pitch, band pin, in order to improve wear resistance, adopt superhard screw rod group component, alloy rotary grain-cutter tool replaces using, effectively prevent tungsten powder laminar flow or precipitate and separate, the mixing uniformity of raising and PA system improves quality, improves service life of equipment simultaneously.
Compared with prior art, the invention has the advantages that: superscribe one deck organic molecule at tungsten powder surface by tensio-active agent, wherein an end combines with the tungsten powder chemical bond, the other end contains active amine, promote tensio-active agent and nylon matrix to interact by coupling agent, again in conjunction with the plasticizing effect of softening agent, the mobile effect of improving of slip(ping)agent, make the material fundamental property after the modification good, can satisfy many-sided demand, also be more prone to the production granulation, the production and the grain forming that are fit to high-specific weight resin, the technology prescription is also more reasonable, processing ease, highly versatile, proportion can be in the 9-14 scope, even can be higher.More valuable is, multiple performance index are good, can be widely uses on IT and signal equipment, entertainment electronics appliances, electronic electric equipment, toy, Leisure Sport equipment, medical facilities, watch-dog etc.
Description of drawings
The technological process of production figure of Fig. 1 high-specific weight resin.
Embodiment
Below in conjunction with embodiment the present invention is described in further detail.
Examples of implementation 1
A kind of production method of high-specific weight resin is characterized in that steps in sequence is:
(1) the tungsten powder surface pre-activated is handled in part 1000: 0.8 ratios tungsten powder and tensio-active agent is stirred in ball mill at normal temperatures, and tungsten powder proportion is at the 19.1-19.5 gram per centimeter
3Fineness is in 200-300 order scope, tensio-active agent adopts the built reactive agent of the SA-HDR trade mark of Ningbo NengZhiGuang New Materials Science Co., Ltd's product, it adopts silane KH550: hexanodioic acid: stearylamide is 3.5-4.5: 2.5-3.5: 2.5-3.5, and dilute with 15-25 part dissolve with ethanol, their best proportionings are silane KH550: hexanodioic acid: stearylamide is 4: 3: 3, and dilutes with 20 parts of dissolve with ethanol.
(2) high-speed stirring is mixed, in parts 20: 0.4: 1.0: 1.4 ratios stirred nylon PA powder, coupling agent, softening agent, slip(ping)agent 8 minutes in homogenizer, stirring velocity is at 800 rev/mins, nylon PA fineness is at 100 orders, coupling agent adopts silane KH550 Hangzhou to produce, and softening agent adopts phosphoric acid fat BBSA, last marine products, slip(ping)agent adopts M110 or petroleum resin 120, and is homemade.
(3) extrusion moulding, with surface-treated tungsten powder, through the nylon PA powder of high-speed stirring and auxiliary agent batch mixing section metering in twin screw extruder is reinforced and extrude in flakes by accent mould in the parallel-flow line style, the temperature of forcing machine is at 180-220 ℃, one section temperature of forcing machine is 180 ℃, two sections temperature are 190 ℃, 210 ℃ of three sections temperature, 220 ℃ of four sections temperature, 220 ℃ of die head temperatures, 10.5 rev/mins of rotating speeds.：
(4) pulverize or extrude pelletizing, then slip is pulverized or extruded pelletizing, obtain the high-specific weight resin particle.
Examples of implementation 2
A kind of production method of high-specific weight resin is characterized in that steps in sequence is:
(1) the tungsten powder surface pre-activated is handled, and in part 1000: 0.9 ratios tungsten powder and tensio-active agent is stirred in ball mill at normal temperatures, and tungsten powder proportion is at the 19.1-19.5 gram per centimeter
3Fineness is in 200-300 order scope, tensio-active agent adopts the built reactive agent of the SA-HDR trade mark of Ningbo NengZhiGuang New Materials Science Co., Ltd's product, it adopts silane KH550: hexanodioic acid: stearylamide is 3.5-4.5: 2.5-3.5: 2.5-3.5, and dilute with 15-25 part dissolve with ethanol, their best proportionings are silane KH550: hexanodioic acid: stearylamide is 4: 3: 3, and dilutes with 20 parts of dissolve with ethanol;
(2) high-speed stirring is mixed, and by part 20: 0.4: 1.0: ratio stirred nylon PA powder, coupling agent, softening agent, slip(ping)agent, protective agent, brightening agent 8 minutes in homogenizer in 1.3: 0.1: 0.2, and stirring velocity is at 800 rev/mins, nylon PA fineness is at 100 orders, coupling agent adopts silane KH550 Hangzhou to produce, and softening agent adopts phosphoric acid fat BBSA, last marine products, slip(ping)agent adopts talcum powder, homemade, protective agent adopts DNP, and produce in Wenzhou, adopt brightening agent ST-40, last marine products.
(3) extrusion moulding, with surface-treated tungsten powder, through the nylon PA powder of high-speed stirring and auxiliary agent batch mixing section metering in twin screw extruder is reinforced and extrude in flakes by accent mould in the parallel-flow line style, the temperature of forcing machine is at 180～220 ℃, one section temperature of forcing machine is 180 ℃, two sections temperature are 190 ℃, 210 ℃ of three sections temperature, 220 ℃ of four sections temperature, 220 ℃ of die head temperatures, 10.5 rev/mins of rotating speeds.
(4) pulverize or extrude pelletizing, then slip is pulverized or extruded pelletizing, obtain the high-specific weight resin particle.
To carry out testing of materials after the high-specific weight resin process plastics heating compression moulding technology, 220 ℃ of pressing conditions, 150MPa,
Test data is as follows:
The proportion that meets plumbous series metal requires and mechanical property, can be used to make plumbous series metal substitute products, as go fishing vertical, metering chip, motor, utensil inertia member.
Examples of implementation 3
A kind of production method of high-specific weight resin is characterized in that steps in sequence is:
(1) the tungsten powder surface pre-activated is handled, and in part 1000: 0.8 ratios tungsten powder and tensio-active agent is stirred in ball mill at normal temperatures, and tungsten powder proportion is at the 19.1-19.5 gram per centimeter
3Fineness is in 200-300 order scope, tensio-active agent adopts the built reactive agent of the SA-HDR trade mark of Ningbo NengZhiGuang New Materials Science Co., Ltd's product, it adopts silane KH550: hexanodioic acid: stearylamide is 3.5-4.5: 2.5-3.5: 2.5-3.5, and dilute with 15-25 part dissolve with ethanol, their best proportionings are silane KH550: hexanodioic acid: stearylamide is 4: 3: 3, and dilutes with 20 parts of dissolve with ethanol;
(2) high-speed stirring is mixed, in parts 20: 0.5: 1.0: 1.0 ratios stirred nylon PA powder, coupling agent, softening agent, slip(ping)agent 6 minutes in homogenizer, stirring velocity is at 900 rev/mins, nylon PA fineness is at 100 orders, coupling agent adopts silane KH550, and produce in Hangzhou, and softening agent adopts phosphoric acid fat BBSA, slip(ping)agent adopts talcum powder, and is homemade.
(3) extrusion moulding, with surface-treated tungsten powder, through the nylon PA powder of high-speed stirring and auxiliary agent batch mixing section metering in twin screw extruder is reinforced and extrude in flakes by accent mould in the parallel-flow line style, the temperature of forcing machine is at 180-220 ℃, one section temperature of forcing machine is 180 ℃, two sections temperature are 190 ℃, 210 ℃ of three sections temperature, 220 ℃ of four sections temperature, 220 ℃ of die head temperatures, 10.5 rev/mins of rotating speeds.
(4) extrude pelletizing or pulverizing, extrude pelletizing then or, obtain the high-specific weight resin particle the slip pulverizing.
Examples of implementation 4
A kind of production method of high-specific weight resin is characterized in that steps in sequence is:
(1) the tungsten powder surface pre-activated is handled, and in part 1000: 1.0 ratios tungsten powder and tensio-active agent is stirred in ball mill at normal temperatures, and tungsten powder proportion is at the 19.1-19.5 gram per centimeter
3Fineness is in 200-300 order scope, tensio-active agent adopts the built reactive agent of the SA-HDR trade mark of Ningbo NengZhiGuang New Materials Science Co., Ltd's product, it adopts silane KH550: hexanodioic acid: stearylamide is 3.5-4.5: 2.5-3.5: 2.5-3.5, and dilute with 15-25 part dissolve with ethanol, their best proportionings are silane KH550: hexanodioic acid: stearylamide is 4: 3: 3, and dilutes with 20 parts of dissolve with ethanol;
(2) high-speed stirring is mixed, in 22: 0.3: 1.0: 1.5 ratios stirred nylon PA powder, coupling agent, softening agent, slip(ping)agent 10 minutes in homogenizer, stirring velocity is at 900 rev/mins, nylon PA fineness is at 100 orders, coupling agent adopts silane KH550, and produce in Hangzhou, and softening agent adopts phosphoric acid fat BBSA, slip(ping)agent adopts WE type macromolecule wax, and is homemade.
(3) extrusion moulding, with surface-treated tungsten powder, through the nylon PA powder of high-speed stirring and auxiliary agent batch mixing section metering in twin screw extruder is reinforced and extrude in flakes by accent mould in the parallel-flow line style, the temperature of forcing machine is at 180-220 ℃, one section temperature of forcing machine is 180 ℃, two sections temperature are 190 ℃, 210 ℃ of three sections temperature, 220 ℃ of four sections temperature, 220 ℃ of die head temperatures, 10.5 rev/mins of rotating speeds.
(4) extrude pelletizing, extrude pelletizing then, obtain the high-specific weight resin particle.
Examples of implementation 5
A kind of production method of high-specific weight resin is characterized in that steps in sequence is:
(1) the tungsten powder surface pre-activated is handled, and in part 1000: 0.9 ratios tungsten powder and tensio-active agent is stirred in ball mill at normal temperatures, and tungsten powder proportion is at the 19.1-19.5 gram per centimeter
3Fineness is in 200-300 order scope, tensio-active agent adopts the built reactive agent of the SA-HDR trade mark of Ningbo NengZhiGuang New Materials Science Co., Ltd's product, it adopts silane KH550: hexanodioic acid: stearylamide is 3.5-4.5: 2.5-3.5: 2.5-3.5, and dilute with 15-25 part dissolve with ethanol, their best proportionings are silane KH550: hexanodioic acid: stearylamide is 4: 3: 3, and dilutes with 20 parts of dissolve with ethanol;
(2) high-speed stirring is mixed, and by part 18: 0.4: 0.8: ratio stirred nylon PA powder, coupling agent, softening agent, slip(ping)agent, protective agent, brightening agent 10 minutes in homogenizer in 1.1: 0.1: 0.1, and stirring velocity is at 700 rev/mins, nylon PA fineness is at 100 orders, coupling agent adopts silane KH550 Hangzhou to produce, and softening agent adopts phosphoric acid fat BBSA, last marine products, slip(ping)agent adopts WE type macromolecule wax, homemade, protective agent adopts DNP, and produce in Wenzhou, adopt brightening agent ST-40, last marine products.
(3) extrusion moulding, with surface-treated tungsten powder, through the nylon PA powder of high-speed stirring and auxiliary agent batch mixing section metering in twin screw extruder is reinforced and extrude in flakes by accent mould in the parallel-flow line style, the temperature of forcing machine is at 180～220 ℃, one section temperature of forcing machine is 180 ℃, two sections temperature are 190 ℃, 210 ℃ of three sections temperature, 220 ℃ of four sections temperature, 220 ℃ of die head temperatures, 10.5 rev/mins of rotating speeds.
(4) pulverize or extrude pelletizing, then slip is pulverized or extruded pelletizing, obtain the high-specific weight resin particle.
Examples of implementation 6
A kind of production method of high-specific weight resin is characterized in that steps in sequence is:
(1) the tungsten powder surface pre-activated is handled, and in part 1000: 1.5 ratios tungsten powder and tensio-active agent is stirred in ball mill at normal temperatures, and tungsten powder proportion is at the 19.1-19.5 gram per centimeter
3Fineness is in 200-300 order scope, tensio-active agent adopts the built reactive agent of the SA-HDR trade mark of Ningbo NengZhiGuang New Materials Science Co., Ltd's product, it adopts silane KH550: hexanodioic acid: stearylamide is 3.5-4.5: 2.5-3.5: 2.5-3.5, and dilute with 15-25 part dissolve with ethanol, their best proportionings are silane KH550: hexanodioic acid: stearylamide is 4: 3: 3, and dilutes with 20 parts of dissolve with ethanol;
(2) high-speed stirring is mixed, and by part 18: 0.4: 1.2: ratio stirred nylon PA powder, coupling agent, softening agent, slip(ping)agent, protective agent, brightening agent 10 minutes in homogenizer in 1.1: 0.1: 0.1, and stirring velocity is at 600 rev/mins, nylon PA fineness is at 100 orders, coupling agent adopts silane KH550 Hangzhou to produce, and softening agent adopts phosphoric acid fat BBSA, last marine products, slip(ping)agent adopts WE type macromolecule wax, homemade, protective agent adopts DNP, and produce in Wenzhou, adopt brightening agent ST-40, last marine products.
(3) extrusion moulding, with surface-treated tungsten powder, through the nylon PA powder of high-speed stirring and auxiliary agent batch mixing section metering in twin screw extruder is reinforced and extrude in flakes by accent mould in the parallel-flow line style, the temperature of forcing machine is at 180～220 ℃, one section temperature of forcing machine is 180 ℃, two sections temperature are 190 ℃, 210 ℃ of three sections temperature, 220 ℃ of four sections temperature, 220 ℃ of die head temperatures, 10.5 rev/mins of rotating speeds.
(4) pulverize or extrude pelletizing, then slip is pulverized or extruded pelletizing, obtain the high-specific weight resin particle.
Claims (10)
1. the production method of a high-specific weight resin is characterized in that steps in sequence is:
(1) the tungsten powder surface pre-activated is handled, and by part 1000: the 0.8-1.5 ratio stirs tungsten powder and tensio-active agent at normal temperatures in ball mill;
(2) high-speed stirring is mixed, in part 18-22: 0.3-0.5 a: 0.8-1.2: the 1.1-1.5 ratio stirred nylon PA powder, coupling agent, softening agent, slip(ping)agent 6-10 minute in homogenizer, stirring velocity is benchmark at 600-900 rev/min with 1000 parts of tungsten powders;
(3) extrusion moulding, with surface-treated tungsten powder, extrude in flakes in twin screw extruder and by accent mould in the parallel-flow line style through the nylon PA powder and the auxiliary agent batch mixing of high-speed stirring, the temperature of forcing machine is at 180-220 ℃, rotating speed 8-20 rev/min;
(4) extrude pelletizing or pulverizing, extrude pelletizing then or, obtain the high-specific weight resin particle the slip pulverizing.
2. production method according to claim 1 is characterized in that described tungsten powder proportion is at the 19.1-19.5 gram per centimeter
3, fineness is in 200-300 order scope.
3. production method according to claim 1 is characterized in that described nylon PA fineness is more than 80 orders.
4. production method according to claim 1, it is characterized in that described surperficial tensio-active agent adopts silane KH550: hexanodioic acid: stearylamide is 3.5-4.5: 2.5-3.5: 2.5-3.5, and dilutes with 15-25 part dissolve with ethanol.
5. production method according to claim 1 is characterized in that described coupling agent adopts silane KH550 or γ-(quadrol base) propyl trimethoxy silicane KH792.
6. production method according to claim 1 is characterized in that described slip(ping)agent adopts petroleum resin P120, H100 or wE type macromolecule wax or talcum powder, 1.1-1.5 part.
7. production method according to claim 1 is characterized in that described softening agent adopts phosphoric acid fat BBSA, or ethylene bis stearamide EBS, 0.8-1.2 part.
8. production method according to claim 1, it is characterized in that described high-speed stirring is mixed or extrusion moulding also adds protective agent, adopt N, N-two β naphthyl p-phenylenediamines, or antioxidant 1010 [methylene β-(3,5-di-t-butyl 4-hydroxy phenyl) propionic acid] season the eleventh of the twelve Earthly Branches tetrol ester promptly four, 0.08-0.12 part.
9. production method according to claim 1, it is characterized in that described high-speed stirring is mixed or extrusion moulding also adds brightening agent, the inferior chemical industry import of Korean pine is produced in the employing bright lubricant ST-40 or Sichuan morning twilight chemical research institute produce GM100 silicone plastics additive, 0.1-0.3 part.
10, production method according to claim 1 is characterized in that described screw extrusion press adopts the screw rod group component of shallow slot, varying pitch, band pin or alloy rotary grain-cutter tool to replace using.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102585330A (en) * | 2012-01-18 | 2012-07-18 | 厦门虹鹭钨钼工业有限公司 | Tungsten-polymer composite material and preparation method thereof |
| CN103106936A (en) * | 2013-01-28 | 2013-05-15 | 刘军 | Resinous tungsten composite material prescription and manufacturing process thereof |
| CN104262963A (en) * | 2014-09-17 | 2015-01-07 | 上海大学 | Polyphenylene sulfide/tungsten powder shielding composite material and preparation method thereof |
| CN105149600A (en) * | 2015-09-24 | 2015-12-16 | 瑞声精密制造科技(常州)有限公司 | Preparation method for tungsten heavy alloy particles |
| CN109014174A (en) * | 2018-08-02 | 2018-12-18 | 华南理工大学 | A kind of 3D printing composite material and preparation method of SEBS cladding tungsten |
| CN110997123A (en) * | 2017-08-04 | 2020-04-10 | 夏尔人类遗传性治疗公司 | Antibody-resin coupling apparatus and method |
| CN112322030A (en) * | 2020-09-10 | 2021-02-05 | 南京聚隆科技股份有限公司 | High-specific-gravity high-hardness strong magnetic attraction nylon material and preparation method thereof |
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2006
- 2006-05-17 CN CN200610050788A patent/CN100595232C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102585330A (en) * | 2012-01-18 | 2012-07-18 | 厦门虹鹭钨钼工业有限公司 | Tungsten-polymer composite material and preparation method thereof |
| CN103106936A (en) * | 2013-01-28 | 2013-05-15 | 刘军 | Resinous tungsten composite material prescription and manufacturing process thereof |
| CN103106936B (en) * | 2013-01-28 | 2015-06-17 | 刘军 | Resinous tungsten composite material prescription and manufacturing process thereof |
| CN104262963A (en) * | 2014-09-17 | 2015-01-07 | 上海大学 | Polyphenylene sulfide/tungsten powder shielding composite material and preparation method thereof |
| CN105149600A (en) * | 2015-09-24 | 2015-12-16 | 瑞声精密制造科技(常州)有限公司 | Preparation method for tungsten heavy alloy particles |
| CN110997123A (en) * | 2017-08-04 | 2020-04-10 | 夏尔人类遗传性治疗公司 | Antibody-resin coupling apparatus and method |
| CN109014174A (en) * | 2018-08-02 | 2018-12-18 | 华南理工大学 | A kind of 3D printing composite material and preparation method of SEBS cladding tungsten |
| CN112322030A (en) * | 2020-09-10 | 2021-02-05 | 南京聚隆科技股份有限公司 | High-specific-gravity high-hardness strong magnetic attraction nylon material and preparation method thereof |
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|---|---|
| CN100595232C (en) | 2010-03-24 |
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