CN104788949A - High-wear-resistance nano nylon material and preparation method thereof - Google Patents
High-wear-resistance nano nylon material and preparation method thereof Download PDFInfo
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- CN104788949A CN104788949A CN201510163854.6A CN201510163854A CN104788949A CN 104788949 A CN104788949 A CN 104788949A CN 201510163854 A CN201510163854 A CN 201510163854A CN 104788949 A CN104788949 A CN 104788949A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92009—Measured parameter
- B29C2948/92209—Temperature
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Abstract
The invention discloses a high-wear-resistance nano nylon material and a preparation method thereof and solves the problem that the mechanical properties of an existing nylon alloy material cannot be improved simultaneously. The nylon alloy material comprises components in parts by weight as follows: 55-95 parts of nylon-6 resin, 5-32 parts of glass fiber, 0.5-1.3 parts of a wear resistant agent, 0.8-1.5 parts of activated nano calcium carbonate, 0.1-0.5 parts of an antioxidant, 2-10 parts of a toughening agent and 0.1-0.8 parts of a processing auxiliary. Due to adding of nano calcium carbonate in the material, the system dispersion is more uniform, and the comprehensive performance of the material is better.
Description
Technical field
The present invention relates to a kind of nylon material and preparation method thereof.
Background technology
Polymeric amide is commonly called as nylon again, analyzes from molecular structure, be on molecular backbone chain containing recurring amide radical group-[NHCO]-thermoplastic resin general name.Nylon 6(polycaprolactam) be one of most important nylon kind, it is a most widely used class general engineering plastic at present, it has wear-resisting, oil resistant, shock-resistant, antifatigue, corrosion-resistant and self-lubricating property is excellent, and frictional coefficient is little waits excellent characteristic, applies very extensive., also there is the weakness of dry state and low temperature impact properties difference in common nylon 6, makes its Application Areas be subject to a definite limitation, is to adapt to the needs of industrial development, and in recent years by blended, the research carrying out modification to nylon 6 causes to be paid close attention to widely.Although nylon has so many advantages, but the needs of use properties can't be met in intensity, wear-resisting and self-lubricating, greatly tensile strength is strengthened after finding to add glass fibre in nylon 6 in people's research, but easily leak fibre, poor surface smoothness, frictional coefficient increases, and oilness is bad, and material use can be abraded seriously.Meanwhile, shock strength but sharply declines (low temperature brittleness is large); When finding again after interpolation toughner, tensile strength declines again to some extent; After interpolation glass and toughner obtain good over-all properties, then add anti-wear agent, frictional coefficient have dropped, and over-all properties also declines.
In patent of invention, the research of activeness and quietness nylon alloy is a lot, but, people's research not only strengthen but also the patent of toughness reinforcing high abrasion-resistance nylon alloy material actually rare.The anti-wear agent number added in patent of invention " a kind of high abrasion-cold resistant tenacity increased nylon composite material (application publication number CN102051043A) " is higher, although frictional coefficient reduces, its material mechanical performance reduces larger.
Summary of the invention
For the deficiency existed in background technology, the invention provides a kind of high abrasion nano-nylon material, this material has lower frictional coefficient, and its tensile strength, shock strength are improved simultaneously.
Another object of the present invention is to the preparation method that a kind of high abrasion nano-nylon material is provided.
For achieving the above object, the technical solution used in the present invention is: a kind of high abrasion nano-nylon material, and calculate according to weight fraction, it consists of:
Nylon 6 55 ~ 95 parts, 5 ~ 32 parts, glass fibre, anti-wear agent 0.5 ~ 1.3 part, active nano-calcium carbonate 0.8 ~ 1.5 part, 0.1 ~ 0.5 part, oxidation inhibitor, toughner 2 ~ 10 parts, processing aid 0.1 ~ 0.8 part;
Above-mentioned Nylon 6 relative viscosity is greater than 2.2;
Above-mentioned glass fibre is the non-twist long glass fibres of alkali-free;
Above-mentioned anti-wear agent is the mixture of crystalline flake graphite and molybdenumdisulphide, calculates by mass percentage, and the two respectively accounts for 50%;
Above-mentioned toughner is maleic anhydride grafted ethene-octene copolymer (POE-g-MAH), or maleic anhydride graft terpolymer EP rubber (EPDM-g-MAH), or both mixtures;
Above-mentioned oxidation inhibitor is four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester (1010);
Above-mentioned processing aid is stearic acid or paraffin.
The preparation method of above-mentioned high abrasion nano-nylon material is:
(1) except glass fibre, first resin is mixed taking-up with other auxiliary agent in mixer, and then join in twin screw extruder, glass fibre is section feeding from forcing machine, mix with molten materials be extruded, water-cooled, drawing-off, granulation, preparation become high abrasion Nanoalloy material;
(2) processing condition of above-mentioned twin screw extruder are feed zones 200 ~ 210 DEG C, melt zone 220 ~ 235 DEG C, 225 ~ 230 DEG C, glass fibre mouth, homogenizing zone 240 ~ 250 DEG C, screw speed 200 ~ 400r/min.
Principle of the present invention illustrates: active nano-calcium carbonate be filled in apply in the goods such as rubber, plastics, senior ink, coating very wide, because its very large specific surface area and high-ratio surface can be conducive between calcium carbonate granule and organic polymer molecule and between inorganic filler in conjunction with firmness, product surface light can be made gorgeous and have excellent reinforcing property.Therefore, when with the addition of anti-wear agent in nylon material, add the dispersion that a certain amount of active nano-calcium carbonate contributes to wear resistant alloy system, contribute to the raising of system mechanical property and product surface smooth finish.
Beneficial effect of the present invention: add a small amount of nano-calcium carbonate in material of the present invention, well molybdenumdisulphide and crystalline flake graphite can be uniformly dispersed, the nano-nylon alloy material prepared is made to have higher tensile strength, shock strength and low frictional coefficient, namely over-all properties is improved, thus obtains more preferably high-strength and high ductility wear resistant nylon alloy material.
Embodiment
To be easier to understand the present invention with reference to following comparative example and embodiment.
Select in embodiment:
Nylon 6:M1013B, Jiangsu Rui Meifu;
Glass: EC14-2000
#, the prosperous Glass Co., Ltd. in Beijing;
Active nano-calcium carbonate: NPCC-SL, Shijiazhuang City, Hebei Province three Xing Gai industry company limited;
Molybdenumdisulphide: ZBM52-999, Shanghai is in Shanghai gelatinizing factory of Chemical Co., Ltd. of nation;
Crystalline flake graphite :-399, the black graphite company limited in Qingdao;
Toughner: POE-M, EPDM-g-MAH, tafelberg nation of China engineering plastics;
Stearic acid: 800, Shijiazhuang Bai Na auxiliary chemicals company limited;
comparative example 1
(1) nylon material composition: Nylon 6 57 parts, glass 32.7 parts, 0.1 part, oxidation inhibitor, POE-g-MAH 10 parts, processing aid 0.2 part.
(2) nylon material preparation method: except glass fibre, first resin is mixed taking-up with other auxiliary agent in mixer, and then joining in twin screw extruder, glass fibre is section feeding from forcing machine, mixes be extruded granulation, water-cooled, drawing-off, granulation with molten materials, preparation becomes Nanoalloy material, processing condition are feed zones 200 DEG C, melt zone 235 DEG C, glass fiber opening 245 DEG C, homogenizing zone 255 DEG C, screw speed 300r/min.
comparative example 2
(1) nylon material composition: Nylon 6 56. parts, 32.7 parts, glass fibre, crystalline flake graphite and each 1.0 parts of molybdenumdisulphide, 0.1 part, oxidation inhibitor, POE-g-MAH 10 parts, processing aid 0.2 part.
(2) nylon material preparation method: except glass fibre, first resin is mixed taking-up with other auxiliary agent in mixer, and then joining in twin screw extruder, glass fibre is section feeding from forcing machine, is mixed be extruded granulation, water-cooled, drawing-off, granulation by threaded block shearing and molten materials, preparation becomes Nanoalloy material, processing condition are feed zones 200 DEG C, melt zone 235 DEG C, glass fiber opening 245 DEG C, homogenizing zone 255 DEG C, screw speed 300r/min.
embodiment 1
(1) a high abrasion nano-nylon material, it consists of: Nylon 6 57 parts, 31.0 parts, glass fibre, crystalline flake graphite and each 1.0 parts of molybdenumdisulphide, active nano-calcium carbonate 0.8 part, 0.1 part, oxidation inhibitor, POE-g-MAH10 part, processing aid 0.2 part.
(2) its preparation method: except glass fibre, first resin is mixed taking-up with other auxiliary agent in mixer, and then joining in twin screw extruder, glass fibre is section feeding from forcing machine, mixes be extruded granulation, water-cooled, drawing-off, granulation with molten materials, preparation becomes Nanoalloy material, processing condition are feed zones 200 DEG C, melt zone 235 DEG C, glass fiber opening 245 DEG C, homogenizing zone 255 DEG C, screw speed 310r/min.
Carry out performance test to material prepared by above-mentioned comparative example and embodiment, test result is in table 1:
Tensile property: test by GB/T 1040-1992, I type sample, draw speed D;
Simple beam impact strength (breach): test by GB/T 1043-1993, I type sample, breach type A;
Flexural strength: test by GB/T9341-2000;
Static friction coefficient: test by GB/T 10006-1988.
Nylon material performance synopsis prepared by table 1 comparative example and embodiment
See from table 1, comparative example 1 is glass fibre reinforced nylon alloy material, and its tensile strength and bending strength ratio nylon 6 raw material increase considerably, but elongation at break reduces very large, demonstrates material not only strong but also crisp, material surface leaks fine serious, so that smooth finish is poor, frictional coefficient increases;
Comparative example 2 is that with the addition of anti-wear agent molybdenumdisulphide and crystalline flake graphite on comparative example 1 basis after, frictional coefficient reduces, and tensile strength, flexural strength and shock strength reduce simultaneously, this is because anti-wear agent molybdenumdisulphide and crystalline flake graphite dispersion uneven extremely;
Embodiment 1 adds active nano-calcium carbonate on comparative example 2 fills a prescription basis, active nano-calcium carbonate serves dissemination to anti-wear agent molybdenumdisulphide and crystalline flake graphite, tensile strength and flexural strength is improve when maintaining frictional coefficient and being still very little, shock strength is almost double improve also, in a word, the over-all properties of high abrasion nano-nylon material of the present invention is greatly improved.
Claims (2)
1. a high abrasion nano-nylon material, calculate according to weight fraction, it consists of:
Nylon 6 55 ~ 95 parts, 5 ~ 32 parts, glass fibre, anti-wear agent 0.5 ~ 1.3 part, active nano-calcium carbonate 0.8 ~ 1.5 part, 0.1 ~ 0.5 part, oxidation inhibitor, toughner 2 ~ 10 parts, processing aid 0.1 ~ 0.8 part;
Above-mentioned Nylon 6 relative viscosity is greater than 2.2;
Above-mentioned glass fibre is the non-twist long glass fibres of alkali-free;
Above-mentioned anti-wear agent is the mixture of crystalline flake graphite and molybdenumdisulphide, calculates by mass percentage, and the two respectively accounts for 50%;
Above-mentioned toughner is maleic anhydride grafted ethene-octene copolymer (POE-g-MAH), or maleic anhydride graft terpolymer EP rubber (EPDM-g-MAH), or both mixtures;
Above-mentioned oxidation inhibitor is four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester (1010);
Above-mentioned processing aid is stearic acid or paraffin.
2. the preparation method of high abrasion nano-nylon material according to claim 1 is:
(1) except glass fibre, first resin is mixed taking-up with other auxiliary agent in mixer, and then join in twin screw extruder, glass fibre is section feeding from forcing machine, mix with molten materials be extruded, water-cooled, drawing-off, granulation, preparation become high abrasion Nanoalloy material;
(2) processing condition of above-mentioned twin screw extruder are feed zones 200 ~ 210 DEG C, melt zone 220 ~ 235 DEG C, 225 ~ 230 DEG C, glass fibre mouth, homogenizing zone 240 ~ 250 DEG C, screw speed 200 ~ 400r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510163854.6A CN104788949A (en) | 2014-12-29 | 2015-04-09 | High-wear-resistance nano nylon material and preparation method thereof |
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| CN2014108300748 | 2014-12-29 | ||
| CN201410830074 | 2014-12-29 | ||
| CN201510163854.6A CN104788949A (en) | 2014-12-29 | 2015-04-09 | High-wear-resistance nano nylon material and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105111600A (en) * | 2015-09-02 | 2015-12-02 | 苏州国泰科技发展有限公司 | Dimethyl-ether-resistant rubber for vehicles |
| CN107488347A (en) * | 2017-09-15 | 2017-12-19 | 广州维邦新材料科技有限公司 | A kind of ultra-toughness wear resistant nylon 6 and preparation method thereof |
| CN109517381A (en) * | 2018-12-26 | 2019-03-26 | 南通铁人运动用品有限公司 | A kind of high-strength abrasion-proof engineering plastics and preparation method thereof |
| US10988615B2 (en) * | 2016-03-16 | 2021-04-27 | Mitsubishi Engineering-Plastics Corporation | Polyamide resin composition and molded article |
| CN114133733A (en) * | 2021-12-16 | 2022-03-04 | 柏力开米复合塑料(昆山)有限公司 | High-weather-resistance glass fiber reinforced wear-resistant PA-ABS alloy material and preparation method thereof |
| WO2022057128A1 (en) * | 2020-09-15 | 2022-03-24 | 马仁顺 | Preparation method for blank for automotive leaf spring baffle or support and finished product thereof |
| CN115386220A (en) * | 2022-08-18 | 2022-11-25 | 绍兴市巴奇新型建材有限公司 | Injection molding material and preparation method thereof |
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| CN103319887A (en) * | 2012-03-21 | 2013-09-25 | 上海盈致橡塑制品有限公司 | Special reinforced nylon 66 material with high impact resistance |
| US20140135441A1 (en) * | 2011-05-27 | 2014-05-15 | Asahi Kasei Chemicals Corporation | Reinforced polyamide resin pellet |
| CN104327496A (en) * | 2014-10-17 | 2015-02-04 | 苏州博云塑业有限公司 | High performance engineering plastic and preparation method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101874077A (en) * | 2007-10-19 | 2010-10-27 | 罗地亚管理公司 | Thermoplastic polymer composition containing polyamide |
| US20140135441A1 (en) * | 2011-05-27 | 2014-05-15 | Asahi Kasei Chemicals Corporation | Reinforced polyamide resin pellet |
| CN103319887A (en) * | 2012-03-21 | 2013-09-25 | 上海盈致橡塑制品有限公司 | Special reinforced nylon 66 material with high impact resistance |
| CN104327496A (en) * | 2014-10-17 | 2015-02-04 | 苏州博云塑业有限公司 | High performance engineering plastic and preparation method thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105111600A (en) * | 2015-09-02 | 2015-12-02 | 苏州国泰科技发展有限公司 | Dimethyl-ether-resistant rubber for vehicles |
| US10988615B2 (en) * | 2016-03-16 | 2021-04-27 | Mitsubishi Engineering-Plastics Corporation | Polyamide resin composition and molded article |
| CN107488347A (en) * | 2017-09-15 | 2017-12-19 | 广州维邦新材料科技有限公司 | A kind of ultra-toughness wear resistant nylon 6 and preparation method thereof |
| CN109517381A (en) * | 2018-12-26 | 2019-03-26 | 南通铁人运动用品有限公司 | A kind of high-strength abrasion-proof engineering plastics and preparation method thereof |
| WO2022057128A1 (en) * | 2020-09-15 | 2022-03-24 | 马仁顺 | Preparation method for blank for automotive leaf spring baffle or support and finished product thereof |
| CN114133733A (en) * | 2021-12-16 | 2022-03-04 | 柏力开米复合塑料(昆山)有限公司 | High-weather-resistance glass fiber reinforced wear-resistant PA-ABS alloy material and preparation method thereof |
| CN115386220A (en) * | 2022-08-18 | 2022-11-25 | 绍兴市巴奇新型建材有限公司 | Injection molding material and preparation method thereof |
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Application publication date: 20150722 |