CN102352107A - Composite material and its use - Google Patents
Composite material and its use Download PDFInfo
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- CN102352107A CN102352107A CN2011102209696A CN201110220969A CN102352107A CN 102352107 A CN102352107 A CN 102352107A CN 2011102209696 A CN2011102209696 A CN 2011102209696A CN 201110220969 A CN201110220969 A CN 201110220969A CN 102352107 A CN102352107 A CN 102352107A
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Abstract
The invention relates to a composite material which comprises the following raw materials by weight percentage: 30-45% of nylon 66, 57-65% of glass fiber, 1-1.5% of heat-stable additive, 3-10% of ceramic micropowder or modified ceramic micropowder and 1-5% of polysiloxane resin. The glass fiber has advantages of high filling content, high modulus, good torsional strength (torque failure is higher than 50N.m), good thermal stability and fluidity, and enables long-term work in hot water. The composite material is used for substituting aluminum alloy and copper material to prepare a pipe thread, especially a standard pipe thread.
Description
Technical field
The present invention relates to the polymer composite field.Mainly relate to high-modulus, high antitorque, high thermal stability polyamide 66 reinforced composite and be used for the substitution of Al alloy and the manufacturing of copper screw thread goods.
Background technology
Polyamide 66 (being commonly called as nylon 66) is a kind of engineering macromolecular material commonly used.Enhancing modified method commonly used improves performance to expand its Application Areas and scope.
Enhancement Method commonly used has mineral filler, fiber reinforcement and resin alloy modification etc.Wherein the glass enhancing is the most common, generally can only reach 50% but glass strengthens loading level.The high again flowability that injection moulding adds man-hour, the processing difficulties of then influencing.When alternative metals made standard pipe thread goods, customer requirements is not destroyed under the 50Nm moment of torsion, and the hot water of anti-certain temperature in addition.
The patent of domestic Zhang Zhenxiang etc. (CN101525486) has been introduced a kind of halogen-free glass fiber reinforced nylon resin and preparation method.Introduced glass fiber content and be 35% halogen-free glass fiber enhanced nylon 66 material and preparation method; Duan Zhaohua etc. have delivered the nylon 66 material mechanical property that " roving glass fiber Reinforced Nylon 66 Mechanical Properties " have been studied 10～40% glass fiber contents; Another patent (CN101550272) of Zhang Zhenxiang etc. has been introduced the high-strength abrasion-proof Nylon 66 and the preparation method of 35～50% glass fiber content; The patent of Chen Xunsen (C N101531810) has been introduced halogen-free flame-retardant glass fiber booster stage Buddhist nun queue 66 materials of 40% glass fiber content; It is 10～40% enhancing hydrolysis-resistant low-warpage nylon dragons, 66 matrix materials that the patent of Xu Liang etc. has been introduced a kind of glass fiber content; The patent of Sun Ping (CN101760023A) introduced a kind of glass fiber content be 5～55% do not reveal fine Reinforced Nylon 66 materials and preparation method.But above-mentioned materials is the substitute of general electronic apparatus material and designs, and it is water-fast, and especially hot water resistance can be relatively poor, and during as alternative metals made standard pipe thread goods, is difficult to satisfy under the 50Nm moment of torsion not being destroyed.
Summary of the invention
The objective of the invention is on the basis of above-mentioned prior art to improve glass and fill content, improve the resin flows performance, obtain high-modulus, high antitorque, high thermal stability and better mobile polyamide 66 composite material.
The present invention makes new Reinforced Nylon 66 matrix materials have high thermal stability also through the improvement of heat stabilizing system, can long term operation in hot water.
Technical scheme of the present invention is:
A kind of matrix material; Be prepared from the glass fibre that comprises 30～45% nylon 66,57～65%, 1～1.5% thermally-stabilised auxiliary agent, 3～10% ceramic or the polyorganosiloxane resin of modified ceramic micro mist and 1～5%, said per-cent is weight percentage.
Said thermally-stabilised auxiliary agent is oxidation inhibitor 1098 and oxidation inhibitor s9228; The consumption weight ratio of oxidation inhibitor 1098 and oxidation inhibitor s9228 is 8:3～12:1.
Glass fibre of the present invention and nylon 66 preferred consumptions are: the consumption of glass fibre is 57～65%, and the consumption of nylon 66 is 30～35%.More preferably, the consumption weight ratio of glass fibre and nylon 66 is 6:4.
The viscosity of said nylon 66 is 2.7.
The preferred diameter of said glass fibre is the alkali free glass fibre of 10 μ m.
Suggestion was handled with KH550 or KH560 silane coupling agent before ceramic according to the invention used.The silane coupling agent of ceramic weight 1% is adopted in the treatment process suggestion, with 100 times of pure water or deionized water dilution, in homogenizer, mixes 30 minutes with ceramic.
Ceramic of the present invention or modified ceramic grain size of micropowder are preferably 1～5 μ m.
Glass of the present invention fills that content is high, modulus is high, torsional property good (breakdown torque is higher than 50N.m), thermostability and good fluidity, can long term operation in hot water.Be particularly useful for making gas thread, especially standard pipe thread.
Embodiment
Raw material of the present invention is:
Weight percent is 30～45% nylon 66; Viscosity is got 2.7.
Weight percent is 50～65% glass fibre; Adopting the customization diameter is the alkali-free glass fiber of 10 μ m.
Weight percent is 1～1.5% thermally-stabilised auxiliary agent; Adopt oxidation inhibitor 1098 and novel fire resistant, anti-hydrolysis, difficult migration in goods, the oxidation inhibitor s9228 that is difficult for being extracted is composite.
Wherein the consumption weight ratio of oxidation inhibitor 1098 and oxidation inhibitor s9228 is 8:3～12:1.
Weight percent is 3～10% ceramic (Shanghai converge smart Ya Nami novel material company limited product);
Adopting particle diameter is ceramic or the modified ceramic micro mist of 1～5 μ m.Ceramic can not only improve dimensional stability, thermotolerance and the modulus of material.The ceramic of spherical particle can also improve the flowability of material melt.Cenosphere can be broken under tonnage, influences flowing property.
Weight percent is 1～5% polyorganosiloxane resin; The high viscosity polyorganosiloxane resin of the inferior chemical industry of Korean pine company limited in the employing; Polyorganosiloxane resin can improve Resin Flow with the ceramic synergy, improves processing characteristics.
Preparing method of the present invention is:
The modified ceramic micro mist is that ceramic is handled (get the silane coupling agent of ceramic weight 1%, with 100 times of pure water or deionized water dilution, in homogenizer, mixed 30 minutes with ceramic) with KH550 or KH560 silane coupling agent.
Dry 3～4 hours of nylon 66 (viscosity 2.7); Mix in homogenizer with aforementioned hot stablizer, ceramic, polyorganosiloxane resin; Joining temperature is set in 220～280 ℃ the forcing machine; Glass unreels through the drying tunnel preheating; Advance coupling agent groove (KH550 or KH560 silane coupling agent are with 100 times of pure water or deionized water dilution) dip treating, dry again after disperse roller to get into the forcing machine die head.Carry out melt impregnation with nylon 66 composite material and coat, become the pellet of 8～12mm again through cooling, traction, pelletizing.
Aforementioned preparing method's pellet is joined in the injection moulding machine hopper, and three sections temperature of injection moulding machine are respectively 180,260,280 ℃; 285 ℃ of nozzle temperatures.Injection moulding standard batten is pressed GB/T1039-1992 and is detected mechanical property.
Embodiment 4:
The pellet and the commercially available 50% glass fiber enhanced nylon 66 pellet of previous embodiment 1-3 preparation are joined in the injection moulding machine hopper; It is 285 ℃ that three sections temperature of injection moulding machine are respectively 180,260,280 ℃ of sprays, mouth temperature; Be injection molded into screwed union product, detect as follows with standard pipe thread:
1. thread size detects
Press GB/T22091.1-2008, detect with external thread gauge drift, no-go gage;
2. poach is 99 ℃, 48h;
3.25 ℃ constant temperature is placed, 48h;
4. thread size detects
Press GB/T22091.1-2008, detect with external thread gauge drift, no-go gage;
5. hot water resistance test: 97 ℃ of hot water constant temperature test products do not have obvious catabiosis
6. torque spanner is surveyed breakdown torque
Put corresponding steel nut at product outside screw place, use torque spanner to exert oneself till prerequisite lower knob to product screw thread destroys the moment of torsion when record destroys generation in equilibrium.
More than explanation, glass of the present invention fill that content is high, modulus is high, torsional property good (breakdown torque is higher than 50N.m), thermostability and good fluidity, can long term operation in hot water.
Claims (10)
1. matrix material; Be prepared from the glass fibre that comprises 30～45% nylon 66,50～65%, 1～1.5% thermally-stabilised auxiliary agent, 3～10% ceramic or the polyorganosiloxane resin of modified ceramic micro mist and 1～5%, said per-cent is weight percentage.
2. matrix material according to claim 1 is characterized in that: thermally-stabilised auxiliary agent is oxidation inhibitor 1098 and oxidation inhibitor s9228; The consumption weight ratio of oxidation inhibitor 1098 and oxidation inhibitor s9228 is 8:3～12:1.
3. matrix material according to claim 1 and 2 is characterized in that: the consumption of said glass fibre is 57～65%, and the consumption of nylon 66 is 30～35%.
4. matrix material according to claim 1 and 2 is characterized in that: the consumption weight ratio of said glass fibre and nylon 66 is 6:4.
5. matrix material according to claim 1 and 2 is characterized in that: the viscosity of nylon 66 is 2.7.
6. matrix material according to claim 1 and 2 is characterized in that: glass fibre is the alkali free glass fibre of diameter 10 μ m.
7. matrix material according to claim 1 and 2 is characterized in that: said modified ceramic micro mist is that ceramic is handled the modified ceramic micro mist that obtains with KH550 or KH560 silane coupling agent.
8. matrix material according to claim 1 and 2 is characterized in that: said ceramic or modified ceramic grain size of micropowder are 1～5 μ m.
9. claim 1 or 2 described matrix materials are used to prepare gas thread.
10. purposes according to claim 9 is characterized in that: said gas thread is a standard pipe thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110220969 CN102352107B (en) | 2011-08-03 | 2011-08-03 | Composite material and its use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110220969 CN102352107B (en) | 2011-08-03 | 2011-08-03 | Composite material and its use |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102352107A true CN102352107A (en) | 2012-02-15 |
| CN102352107B CN102352107B (en) | 2012-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110220969 Active CN102352107B (en) | 2011-08-03 | 2011-08-03 | Composite material and its use |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103436008A (en) * | 2013-07-14 | 2013-12-11 | 上海金发科技发展有限公司 | Ultrahigh-content glass fiber reinforced nylon material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0172259A2 (en) * | 1983-04-13 | 1986-02-26 | Mitsubishi Gas Chemical Company, Inc. | Fire-retardant fiber-reinforced polyamide resin composition |
| CN101205362A (en) * | 2006-12-20 | 2008-06-25 | 上海日之升新技术发展有限公司 | Warpage-resistant composite reinforced nylon 66 composition |
| CN101314672A (en) * | 2008-06-30 | 2008-12-03 | 上海日之升新技术发展有限公司 | High-gloss, low-smell, reinforced nylon composite material and preparation method thereof |
-
2011
- 2011-08-03 CN CN 201110220969 patent/CN102352107B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0172259A2 (en) * | 1983-04-13 | 1986-02-26 | Mitsubishi Gas Chemical Company, Inc. | Fire-retardant fiber-reinforced polyamide resin composition |
| CN101205362A (en) * | 2006-12-20 | 2008-06-25 | 上海日之升新技术发展有限公司 | Warpage-resistant composite reinforced nylon 66 composition |
| CN101314672A (en) * | 2008-06-30 | 2008-12-03 | 上海日之升新技术发展有限公司 | High-gloss, low-smell, reinforced nylon composite material and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103436008A (en) * | 2013-07-14 | 2013-12-11 | 上海金发科技发展有限公司 | Ultrahigh-content glass fiber reinforced nylon material and preparation method thereof |
| CN103436008B (en) * | 2013-07-14 | 2018-04-24 | 上海金发科技发展有限公司 | A kind of super-high glass fiber reinforced nylon material and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN102352107B (en) | 2012-12-26 |
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