CN102485798A - Nylon composite material and preparation method thereof - Google Patents
Nylon composite material and preparation method thereof Download PDFInfo
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- CN102485798A CN102485798A CN2010105702074A CN201010570207A CN102485798A CN 102485798 A CN102485798 A CN 102485798A CN 2010105702074 A CN2010105702074 A CN 2010105702074A CN 201010570207 A CN201010570207 A CN 201010570207A CN 102485798 A CN102485798 A CN 102485798A
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Abstract
The invention discloses a nylon composite material and a preparation method thereof. The nylon composite material comprises, by weight, 27 to 88% of nylon, 2 to 15% of an elastomer flexibilizer, 5 to 60% of glass fibers and 0.5 to 5% of an auxiliary agent. According to the invention, the glass fibers cladded by maleic anhydride grafted ethylene-octene copolymer can react with a terminal amino group of nylon, which enables cladding of resin on the surfaces of the glass fibers to be increased, bonding between the surfaces of the glass fibers and a resin matrix to be enhanced and every mechanical property of the nylon composite material to be improved; because bonding between the surfaces of the glass fibers and the resin matrix is powerful, the glass fibers are less likely to migrate to the surface in the process of molding, and therefore, a smooth surface is obtained. The method provided in the invention is simple and practical, costs little and is applicable to large scale batch production.
Description
Technical field
The present invention relates to a kind of glass fibre reinforced nylon material, be specifically related to a kind of good surface and strengthen tenacity increased nylon composite material and preparation method thereof.
Background technology
Nylon material is to use the most general material in the engineering plastics, is widely used in industries such as automobile, building, electronic apparatus and household electrical appliances.Nylon resin can significantly improve its intensity, rigidity and toughness after glass fibre reinforced modified.The plasticizing enhancement nylon matrix material has good low-temperature flexibility, can be applied to power tool, office furniture, ski boot, cycle hub and other sports equipments etc.Because the requirement that outward appearance is used, these goods often need have slick surface, could be accepted by the human consumer.
Yet, having added a large amount of toughner in the resin glass fiber reinforcement technology polymeric amide PA6 matrix material, the product surface that injection moulding is come out is rough, and is floating fine serious, can not on the high parts of some appearance requirement, use.In order to solve the floating fine problem that strengthens toughened polyamide PA6 matrix material; Can improve through the method for adding inorganic mineral filler, like number of patent application 200610118559.X (plasticizing enhancement nylon 6 composite material of a kind of good apparent mass and preparation method thereof), 200610064507.9 (a kind of modified nylon material with high smooth surface level and preparation method thereof).But interpolation inorganic mineral filler or reduction resin viscosity unavoidably cause the strength degradation of product, through the method that adds coupling agent the bonding force that improves resin and spun glass are also influenced to decline.Also improve the surface gloss of matrix material through adding amorphous polyamide or semiaromatic polyamide composition and multipolymer thereof, like patent US5250604, US6958374, US6956081.It is higher to add this special polymeric amide cost, and performance is had certain influence.US5240974 and US5872175 adopt organic silicon composite or phosphoric acid metalloid salt pair fiberglass surfacing to do special processing respectively, and the bonding force of handling back spun glass and nylon resin strengthens, and gives material more function property.This patent improves the surface that strengthens tenacity increased nylon composite material through the grating of different viscosity resin and the special processing of spun glass, has also improved the intensity and the toughness of material simultaneously.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, provide a kind of simple, with low cost, be applicable to that the good surface of scale of mass production strengthens tenacity increased nylon composite material.
Another object of the present invention provides the method that the above-mentioned good surface of preparation strengthens tenacity increased nylon composite material.
To achieve these goals, the present invention adopts following technical scheme:
A kind of nylon composite materials, form by the component of following parts by weight:
Nylon 27～88%;
Elastic body toughening agent 2～15%;
Spun glass 5～60%;
Auxiliary agent 0.5～5%.
In above-mentioned nylon composite materials, said elastic body toughening agent is preferably maleic anhydride graft grafted ethylene-octene copolymer.
In above-mentioned nylon composite materials, described spun glass is preferably compatilizer and coats the short glass fiber of handling; Said short fiber spun glass is a non-alkali glass, and the diameter of spun glass is preferably 6～17 microns.
In above-mentioned nylon composite materials, said compatilizer is preferably the ethylene-octene copolymer of maleic anhydride graft.
In above-mentioned nylon composite materials, said auxiliary agent is one or more the mixture in lubricant, oxidation inhibitor, weather resisting agent, the nucleator.The adding of lubricant can form lubricant film at goods and mould product, has both improved release property and has also improved the product surface; The adding of nucleator can the refinement resin matrix crystal grain, improve the bonding force of resin matrix and fiberglass surfacing; The adding of oxidation inhibitor and weather resisting agent can reduce the degraded of material in the life-time service process aging, keeps the excellent surface of product.
The preparation method of above-mentioned nylon composite materials adopts the production of melt blending expressing technique, promptly adopts the forcing machine that a side direction spout is arranged, and adds nylon resin, elastic body toughening agent and other additive from main spout, and the side spout adds short glass fiber; Behind the melt blending, through cooling, air-dry and granulation.
Compared with prior art, the present invention has following beneficial effect:
(1) spun glass of handling through the ethylene-octene copolymer coating of maleic anhydride graft can react with the end amino of nylon; Increase the coating of resin, and improved glass surface and the binding ability of resin matrix and each item mechanical property of material on the surface of spun glass;
(2) because the binding ability of spun glass and resin is strong, spun glass reduces to the chance of surface transport in moulding process, thereby obtains slick surface; The present invention is simple, and is with low cost, is applicable to scale of mass production.
Embodiment
Come further to explain the present invention below in conjunction with embodiment, but embodiment does not do any type of qualification to the present invention.
Following per-cent is weight percentage.
Embodiment 1
Add 61.7% nylon resin, 7.5% maleic anhydride grafted ethene-octene copolymer, 0.5% phenolic antioxidant and 0.3 long-chain carboxylic acid's salt from main spout, add 30% through coating the short glass fiber of handling from the side spout.Melt blending in twin screw extruder is after cooling, air-dry, pelletizing become pellet.Pellet is injection molded into standard mechanics test bars and colour table is tested.
Embodiment 2
Add 66.7% nylon resin, 7.5% maleic anhydride grafted ethene-octene copolymer, 0.5% phenolic antioxidant and 0.3% long-chain carboxylic acid's salt from main spout, add 25% through coating the short glass fiber of handling from the side spout.Melt blending in twin screw extruder is after cooling, air-dry, pelletizing become pellet.Pellet is injection molded into standard mechanics test bars and colour table is tested.
Embodiment 3
Add 57.2% nylon resin, 12% maleic anhydride grafted ethene-octene copolymer, 0.5% phenolic antioxidant and 0.3% long-chain carboxylic acid's salt from main spout, add 30% through coating the short glass fiber of handling from the side spout.Melt blending in twin screw extruder is after cooling, air-dry, pelletizing become pellet.Pellet is injection molded into standard mechanics test bars and colour table is tested.
Embodiment 4
Add 61.7% nylon resin, 7.5% maleic anhydride grafted ethene-octene copolymer, 0.5% phenolic antioxidant and 0.3% long-chain carboxylic acid's salt from main spout, add 30% through coating the short glass fiber of handling from the side spout.Melt blending in twin screw extruder is after cooling, air-dry, pelletizing become pellet.Pellet is injection molded into standard mechanics test bars and colour table is tested.
Embodiment 5
Add 76.7% nylon resin, 7.5% maleic anhydride grafted ethene-octene copolymer, 0.5% phenolic antioxidant and 0.3% long-chain carboxylic acid's salt from main spout, add 15% through coating the short glass fiber of handling from the side spout.Melt blending in twin screw extruder is after cooling, air-dry, pelletizing become pellet.Pellet is injection molded into standard mechanics test bars and colour table is tested.
Embodiment 6
Add 72.2% nylon resin, 12% maleic anhydride grafted ethene-octene copolymer, 0.5% phenolic antioxidant and 0.3% long-chain carboxylic acid's salt from main spout, add 15% through coating the short glass fiber of handling from the side spout.Melt blending in twin screw extruder is after cooling, air-dry, pelletizing become pellet.Pellet is injection molded into standard mechanics test bars and colour table is tested.
Embodiment 7
Add 47% nylon resin, 2% maleic anhydride grafted ethene-octene copolymer, 0.5% phenolic antioxidant and 0.5% long-chain carboxylic acid's salt from main spout, add 50% through coating the short glass fiber of handling from the side spout.Melt blending in twin screw extruder is after cooling, air-dry, pelletizing become pellet.Pellet is injection molded into standard mechanics test bars and colour table is tested.
Embodiment 8
Add 87.2% nylon resin, 2% maleic anhydride grafted ethene-octene copolymer, 0.5% phenolic antioxidant and 0.3% long-chain carboxylic acid's salt from main spout, add 10% through coating the short glass fiber of handling from the side spout.Melt blending in twin screw extruder is after cooling, air-dry, pelletizing become pellet.Pellet is injection molded into standard mechanics test bars and colour table is tested.
The sample testing result of table 1 embodiment
| ? | Testing method | Unit | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Tensile strength | ISO 527 | MPa | 149.7 | 125.4 | 132.3 | 145.6 |
| Notched Izod impact strength (+23 degree) | ISO 180 | KJ/m 2 | 26.3 | 19.1 | 27.9 | 24.5 |
| Notched Izod impact strength (30 degree) | ISO 180 | KJ/m 2 | 15.3 | 10.2 | 15.9 | 12.1 |
| Flexural strength | ISO 178 | MPa | 223.0 | 178.7 | 183.8 | 225.6 |
| Modulus in flexure | ISO 178 | MPa | 7805 | 5696 | 6372 | 7932 |
| The molten finger | ISO 1133 | g/10min | 12.1 | 14.8 | 10.2 | 11.6 |
| 60 ° of glossiness | - | - | 55.6 | 64.5 | 52.1 | 60.5 |
| ? | ? | ? | Embodiment 5 | Embodiment 6 | Embodiment 7 | Embodiment 8 |
| Tensile strength | ISO 527 | MPa | 111.9 | 123.8 | 216.5 | 105.2 |
| Notched Izod impact strength (+23 degree) | ISO 180 | KJ/m 2 | 18.4 | 21.8 | 20.5 | 9.4 |
| Notched Izod impact strength (30 degree) | ISO 180 | KJ/m 2 | 9.2 | 11.2 | 9.5 | 7.1 |
| Flexural strength | ISO 178 | MPa | 148.6 | 138.5 | 285.6 | 135.4 |
| Modulus in flexure | ISO 178 | MPa | 3890 | 3345 | 12540 | 3945 |
| The molten finger | ISO 1133 | g/10min | 19.3 | 15.2 | 6.4 | 15.6 |
| 60 ° of glossiness | - | - | 72.4 | 63.1 | 44.1 | 71.2 |
Table 1 has been listed the sample testing result of above-mentioned all embodiment.
Claims (7)
1. nylon composite materials is characterized in that being made up of the component of following parts by weight:
Nylon 27～88%;
Elastic body toughening agent 2～15%;
Spun glass 5～60%;
Auxiliary agent 0.5～5%.
2. nylon composite materials according to claim 1 is characterized in that said elastic body toughening agent is the ethylene-octene copolymer of maleic anhydride graft.
3. nylon composite materials according to claim 1 is characterized in that said spun glass is that compatilizer coats the short glass fiber of handling.
4. nylon composite materials according to claim 3 is characterized in that said short fiber spun glass is a non-alkali glass, and the diameter of spun glass is 6～17 microns.
5. nylon composite materials according to claim 3 is characterized in that said compatilizer is the ethylene-octene copolymer of maleic anhydride graft.
6. nylon composite materials according to claim 1 is characterized in that said auxiliary agent is one or more the mixture in lubricant, oxidation inhibitor, weather resisting agent, the nucleator.
7. the preparation method of the described nylon composite materials of claim 1 is characterized in that preparing as follows: adopt the forcing machine that a side direction spout is arranged, add nylon, elastic body toughening agent and additive from main spout, side spout adding spun glass; Behind the melt blending, through cooling, air-dry and granulation.
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| CN2010105702074A CN102485798A (en) | 2010-12-02 | 2010-12-02 | Nylon composite material and preparation method thereof |
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| CN2010105702074A CN102485798A (en) | 2010-12-02 | 2010-12-02 | Nylon composite material and preparation method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103030971A (en) * | 2012-12-25 | 2013-04-10 | 江苏金发科技新材料有限公司 | Special glass fiber reinforced nylon 6 material for water gauges and water pumps and preparation method of nylon 6 material |
| CN103073877A (en) * | 2012-09-17 | 2013-05-01 | 天津金发新材料有限公司 | Low water absorption polyamide composition and products thereof |
| CN104774447A (en) * | 2015-04-16 | 2015-07-15 | 苏州靖羽新材料有限公司 | Long fiber reinforced nylon plastic and preparation method thereof |
| CN105111731A (en) * | 2015-09-02 | 2015-12-02 | 连云港海水化工有限公司 | Reinforced polyamide resin material for aluminum alloy building profiles and preparation method of reinforced polyamide resin material |
| CN106564248A (en) * | 2016-10-18 | 2017-04-19 | 陈雨 | Puncture-proof rain boot |
| CN108219450A (en) * | 2017-04-27 | 2018-06-29 | 重庆普利特新材料有限公司 | A kind of high intensity, high-modulus, lower shrinkage plating nylon material and preparation method thereof |
| CN109943063A (en) * | 2019-01-30 | 2019-06-28 | 宁波汇邦尼龙科技有限公司 | Superpower quick-fried pulling force vehicle handle material and preparation method thereof and device under high/low temperature |
| CN112322032A (en) * | 2020-11-13 | 2021-02-05 | 江阴市一诺工程塑料有限公司 | High-strength high-toughness PA6 composite material for automobile chassis and preparation method thereof |
| CN113529208A (en) * | 2021-07-06 | 2021-10-22 | 李春婵 | Production formula and production process of high-strength low-temperature-resistant long-fiber nylon |
| CN116120739A (en) * | 2022-12-26 | 2023-05-16 | 苏州旭光聚合物有限公司 | Glass fiber reinforced modified nylon 6 material with low water absorption and high surface finish and preparation method thereof |
| CN116515275A (en) * | 2023-05-29 | 2023-08-01 | 安徽捷云新材料科技有限公司 | Chopped glass fiber plastic alloy and preparation method thereof |
-
2010
- 2010-12-02 CN CN2010105702074A patent/CN102485798A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103073877A (en) * | 2012-09-17 | 2013-05-01 | 天津金发新材料有限公司 | Low water absorption polyamide composition and products thereof |
| CN103030971A (en) * | 2012-12-25 | 2013-04-10 | 江苏金发科技新材料有限公司 | Special glass fiber reinforced nylon 6 material for water gauges and water pumps and preparation method of nylon 6 material |
| CN103030971B (en) * | 2012-12-25 | 2016-08-17 | 江苏金发科技新材料有限公司 | Special glass fiber reinforced nylon 6 material of water meter water pump and preparation method thereof |
| CN104774447A (en) * | 2015-04-16 | 2015-07-15 | 苏州靖羽新材料有限公司 | Long fiber reinforced nylon plastic and preparation method thereof |
| CN105111731A (en) * | 2015-09-02 | 2015-12-02 | 连云港海水化工有限公司 | Reinforced polyamide resin material for aluminum alloy building profiles and preparation method of reinforced polyamide resin material |
| CN106564248A (en) * | 2016-10-18 | 2017-04-19 | 陈雨 | Puncture-proof rain boot |
| CN108219450A (en) * | 2017-04-27 | 2018-06-29 | 重庆普利特新材料有限公司 | A kind of high intensity, high-modulus, lower shrinkage plating nylon material and preparation method thereof |
| CN109943063A (en) * | 2019-01-30 | 2019-06-28 | 宁波汇邦尼龙科技有限公司 | Superpower quick-fried pulling force vehicle handle material and preparation method thereof and device under high/low temperature |
| CN109943063B (en) * | 2019-01-30 | 2021-06-01 | 宁波汇邦尼龙科技有限公司 | Preparation device of vehicle handle with ultra-strong explosion tension at high and low temperatures |
| CN112322032A (en) * | 2020-11-13 | 2021-02-05 | 江阴市一诺工程塑料有限公司 | High-strength high-toughness PA6 composite material for automobile chassis and preparation method thereof |
| CN113529208A (en) * | 2021-07-06 | 2021-10-22 | 李春婵 | Production formula and production process of high-strength low-temperature-resistant long-fiber nylon |
| CN116120739A (en) * | 2022-12-26 | 2023-05-16 | 苏州旭光聚合物有限公司 | Glass fiber reinforced modified nylon 6 material with low water absorption and high surface finish and preparation method thereof |
| CN116515275A (en) * | 2023-05-29 | 2023-08-01 | 安徽捷云新材料科技有限公司 | Chopped glass fiber plastic alloy and preparation method thereof |
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Application publication date: 20120606 |