CN102337028A - Nylon 6 composite material and preparation method thereof - Google Patents

Nylon 6 composite material and preparation method thereof Download PDF

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Publication number
CN102337028A
CN102337028A CN2011102301813A CN201110230181A CN102337028A CN 102337028 A CN102337028 A CN 102337028A CN 2011102301813 A CN2011102301813 A CN 2011102301813A CN 201110230181 A CN201110230181 A CN 201110230181A CN 102337028 A CN102337028 A CN 102337028A
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China
Prior art keywords
nylon
weight
parts
work
composite
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CN2011102301813A
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Chinese (zh)
Inventor
刘辉
刘卫东
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Engineering Plastics (shenzhen) Co Ltd
Shenzhen Sunsea Telecommunications Co Ltd
Original Assignee
Engineering Plastics (shenzhen) Co Ltd
Shenzhen Sunsea Telecommunications Co Ltd
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Application filed by Engineering Plastics (shenzhen) Co Ltd, Shenzhen Sunsea Telecommunications Co Ltd filed Critical Engineering Plastics (shenzhen) Co Ltd
Priority to CN2011102301813A priority Critical patent/CN102337028A/en
Publication of CN102337028A publication Critical patent/CN102337028A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a nylon 6 composite material. The nylon 6 composite material is prepared by mixing a semi-finished product A and a semi-finished product B in a weight ratio of 1:1, wherein the semi-finished product A comprises the following components in parts by weight: 60-70 parts of nylon 6 resin, 0-10 parts of toughening agent, 1.2-1.5 parts of color master batch, 28-30 parts of fiberglass, 0.3-0.5 part of antioxidant and 0.3-0.5 part of lubricant; and the semi-finished product B comprises the following components in parts by weight: 58-68 parts of nylon 6 resin, 30-40 parts of toughening agent, 1.2-1.5 parts of color master batch, 0.3-0.5 part of antioxidant and 0.3-0.5 part of lubricant. Tests show that the nylon 6 composite material has the impact strength of more than 30 kJ/m<2>, bending strength of more than 3000 MPa and elongation at break of more than 10%, thus the composite material has excellent comprehensive performance, and can be widely popularized and applied. In addition, the invention also relates to a preparation method of the nylon 6 composite material.

Description

Nylon 6 composite material and preparation method thereof
[technical field]
The present invention relates to polymeric material field, relate in particular to a kind of nylon 6 composite material and preparation method thereof.
[background technology]
Nylon 6 (polyamide 6, are called for short PA6) is a kind of engineering plastics of excellence, has good non-notch impact resistance.But PA6 has notch sensitivity, and in a single day material produces breach can be easy to quick breakage.For improving the notch sensitivity of PA6; Traditional way is normally carried out toughness reinforcing through the elastic body toughening agent of adding small particle size; But so then can cause the rapid decline of material stiffness aspect performance, having limited it all has the applications of requirement at some to rigidity and toughness.Spun glass has good physical strength, and advantages such as cost performance is high, dimensional stability is good, easy processing make it be applied as the strongthener of engineering plastic widely.In PA6, add a certain amount of spun glass, the rigidity of material is greatly enhanced, and notched Izod impact strength also improves, and elongation at break can sharply reduce.
In the prior art, the PA6 matrix material will lose rigidity when usually being toughness reinforcing be cost, and it is cost that enhanced will lose elongation at break simultaneously.In order to make the PA6 performance of composites good, add PA6 and spun glass and toughner together, and when spun glass and toughner addition are high, mixing when extruding very difficulty of processing through forcing machine, performance is also very poor.In the prior art, the processing technology of toughness reinforcing enhancing PA6 aspect is ripe not enough, can not satisfy the application in some fields.And do not have basically for the patent of the PA6 matrix material aspect of H.T. high elongation at tear medium modulus.
[summary of the invention]
Based on this, be necessary the nylon 6 composite material preparation method that provides a kind of toughness, rigidity and elongation at break properties good, it is by extruding the work in-process one processed and work in-process two through being through spice cylinder to mix at 1: 1 to form by mass ratio.
Wherein, said work in-process one comprise each component of following parts by weight:
Said work in-process two comprise each components of following parts by weight:
Preferably, the limiting viscosity of said Nylon 6 is 4.5.
Preferably, said toughner is the maleic anhydride grafted ethene octene copolymer.
Preferably, said Masterbatch be carbonaceous powder be the Masterbatch of carrier with the Vilaterm.
Preferably, said spun glass is an alkali free glass fibre.
Preferably, said oxidation inhibitor is Hinered phenols antioxidant and the phosphite ester kind antioxidant mixture by weight 1: 1 ratio.
Preferably, said lubricant is an ethylene bis stearamide.
Make nylon 6 relatively good processing through preparing work in-process one and work in-process two respectively; Mix the nylon 6 composite material that can make through compounding jar again and have high toughness, high elongation rate; Rigid nature also is guaranteed simultaneously, and the above-mentioned nylon 6 composite material of test shows has 30KJ/M 2Above shock strength, the elongation at break more than the flexural strength that 3000MPa is above and 10%, thereby the high comprehensive performance of this matrix material can wide popularization and application.
In addition, also be necessary to provide the preparation method of the good nylon 6 composite material of a kind of toughness, rigidity and elongation at break properties.
A kind of preparation method of nylon 6 composite material comprises the steps:
Preparation partly becomes article and work in-process two respectively; Wherein, said work in-process one are by Nylon 6, the toughner of 0~10 parts by weight, the Masterbatch of 1.2~1.5 parts by weight, the spun glass of 28~30 parts by weight, the oxidation inhibitor of 0.3~0.5 parts by weight and the mix lubricant granulation of 0.3~0.5 parts by weight of 60~70 parts by weight; Said second work in-process are by Nylon 6, the toughner of 30~40 parts by weight, the Masterbatch of 1.2~1.5 parts by weight, the oxidation inhibitor of 0.3~0.5 parts by weight and the mix lubricant granulation of 0.3~0.5 parts by weight of 58~68 parts by weight;
Said first work in-process and second work in-process are mixed through the spice cylinder by weight 1: 1 ratio obtain said nylon 6 composite material.
Through two kinds of work in-process mixing granulations; Only add toughner in a kind of work in-process; Another kind of spun glass and a spot of toughner of adding can overcome and traditional spun glass added the fashionable defective of extruding difficulty with toughner, thereby the course of processing is easier; Efficient is high, and performance of products also is guaranteed.
[embodiment]
Below the main specific embodiment that combines nylon 6 composite material and preparation method thereof is done further detailed explanation.
The nylon 6 composite material of this embodiment has high toughness, rigidity and excellent elongation at break, and it comprises that weight ratio is 1: 1 work in-process one and work in-process two, and wherein, work in-process one comprise each component of following parts by weight:
Work in-process two comprise each component of following parts by weight:
The limiting viscosity of Nylon 6 is preferably 4.5 in above-mentioned work in-process one and the work in-process two.
The preferred maleic anhydride grafted ethene octene copolymer of toughner in above-mentioned work in-process one and the work in-process two.
The preferred carbonaceous powder of Masterbatch is the Masterbatch of carrier with the Vilaterm in above-mentioned work in-process one and the work in-process two.
The preferred alkali free glass fibre of spun glass in the above-mentioned work in-process one.
Preferred Hinered phenols antioxidant of oxidation inhibitor and phosphite ester kind antioxidant are by weight the mixture of 1: 1 ratio in above-mentioned work in-process one and the work in-process two; Like β (3; 5-di-t-butyl-4 hydroxy phenyl) propionic acid pentaerythritol ester and three (2, the 4-DI-tert-butylphenol compounds) 1: 1 mixture of phosphorous acid ester.
The preferred ethylene bis stearamide of lubricant (N, N '-ethylene bis stearamide) in above-mentioned work in-process one and the work in-process two.
Make nylon 6 relatively good processing through preparation work in-process one and work in-process two; Mix the nylon 6 composite material that can make through compounding jar again and have high toughness, high elongation rate; Rigid nature also is guaranteed simultaneously, and the above-mentioned nylon 6 composite material of test shows has 30KJ/M 2Above shock strength, the elongation at break more than the flexural strength that 3000MPa is above and 10%, thereby the high comprehensive performance of this matrix material can wide popularization and application.
In addition, the present invention also provides the preparation method of the good nylon 6 composite material of a kind of toughness, rigidity and elongation at break properties.
A kind of preparation method of nylon 6 composite material comprises the steps:
Step S1: prepare first work in-process and second work in-process respectively.
Wherein, Work in-process one are that the lubricant with the oxidation inhibitor of the Masterbatch of the toughner of the Nylon 6 of 60~70 parts by weight, 0~10 parts by weight, 1.2~1.5 parts by weight, 0.3~0.5 parts by weight and 0.3~0.5 parts by weight obtained mixture in 2~5 minutes in high-speed mixer and mixing; Discharging then; In extruding the blend process, add the glass that inlet adds 28~30 parts by weight, make at 230~250 ℃ of extruding pelletizations from glass.
Work in-process two are that lubricant with the oxidation inhibitor of the Masterbatch of the toughner of the Nylon 6 of 58~68 parts by weight, 30~40 parts by weight, 1.2~1.5 parts by weight, 0.3~0.5 parts by weight and 0.3~0.5 parts by weight is in high-speed mixer and mixing discharging after 2~5 minutes; Obtain mixture, mixture 230~250 ℃ of extruding pelletizations in twin screw extruder are made.
Step S2: work in-process one and work in-process two are mixed through the spice thick stick by weight 1: 1 ratio obtain said nylon 6 composite material.
Through two kinds of work in-process mixing granulations; A kind of adding spun glass and a spot of toughner; Only add a large amount of toughner in the another kind of work in-process, can overcome traditional spun glass is added with toughner and extrude difficult defective, thereby the course of processing is easier; Efficient is high, and performance of products also is guaranteed.
Below be the specific embodiment part:
The preparation of work in-process one, see the following form 1:
Table 1
Raw material/Kg Embodiment 1 Embodiment 2 Embodiment 3 Embodiment 4
Nylon 6 60 64 66 70
Toughner 10 6 4 0
Masterbatch 1.4 1.5 1.5 1.2
Oxidation inhibitor 0.5 0.4 0.4 0.3
Lubricant 0.5 0.5 0.4 0.3
Spun glass 28 29 29 30
Get the raw materials ready by prescription in the table 1; Above-mentioned each raw material except that spun glass is put into high-speed mixer and mixing discharging after 4 minutes; Obtain mixture, process work in-process one adding the spun glass extruding pelletization through twin screw extruder then, extruder temperature is controlled at 230~250 ℃.Complete processing such as table 2.
Table 2
Second half-finished preparation, see the following form 3:
Table 3
Raw material/Kg Embodiment 5 Embodiment 6 Embodiment 7 Embodiment 8
Nylon 6 68 64 62 58
Toughner 30 34 36 40
[0051]
Masterbatch 1.4 1.2 1.2 1.5
Oxidation inhibitor 0.3 0.4 0.4 0.5
Lubricant 0.3 0.3 0.4 0.5
Get the raw materials ready by prescription in the table 3, above-mentioned raw materials is put into high-speed mixer and mixing discharging after 3 minutes, obtain mixture, processing work in-process two through the twin screw extruder extruding pelletization then, extruder temperature is controlled at 230~250 ℃.List in the complete processing table 4.
Table 4
Wherein, above-mentioned Nylon 6 is that limiting viscosity is 4.5 Nylon 6.Toughner is the maleic anhydride grafted ethene octene copolymer.Masterbatch be carbonaceous powder be the Masterbatch of carrier with the Vilaterm.Spun glass is an alkali free glass fibre, and oxidation inhibitor is the mixture of β (3,5-di-t-butyl-4 hydroxy phenyl) propionic acid pentaerythritol esters and three (2, the 4-DI-tert-butylphenol compounds) phosphorous acid ester by weight 1: 1 ratio.Lubricant is N, N '-ethylene bis stearamide.
The finished product preparation of nylon 6 composite material:
Hybrid mode and performance such as following table 5 draw in 5 from table, by above-mentioned work in-process by embodiment 2 and prescription 6 part by weight be 1: 1 after the spice cylinder mixes, material is better processed, shock strength is 35KJ/M 2, elongation at break is 10, and modulus in flexure is 3150MPa, and it is best production formula, makes the PA6 matrix material of elongation at break high impact medium modulus high comprehensive performance.
Table 5
The above embodiment has only expressed several kinds of embodiments of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the present invention's design, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with accompanying claims.

Claims (9)

1. a nylon 6 composite material is characterized in that, is mixed by weight 1: 1 by work in-process one and work in-process two, and wherein, said work in-process one comprise each component of following parts by weight:
Said work in-process two comprise each component of following parts by weight:
2. nylon 6 composite material as claimed in claim 1 is characterized in that, the limiting viscosity of said Nylon 6 is 4.5.
3. nylon 6 composite material as claimed in claim 1 is characterized in that, said toughner is the maleic anhydride grafted ethene octene copolymer.
4. nylon 6 composite material as claimed in claim 1 is characterized in that, said Masterbatch be carbonaceous powder be the Masterbatch of carrier with the Vilaterm.
5. nylon 6 composite material as claimed in claim 1 is characterized in that, said spun glass is an alkali free glass fibre.
6. nylon 6 composite material as claimed in claim 1 is characterized in that, said oxidation inhibitor is Hinered phenols antioxidant and the phosphite ester kind antioxidant mixture by weight 1: 1 ratio.
7. nylon 6 composite material as claimed in claim 1 is characterized in that, said lubricant is an ethylene bis stearamide.
8. the preparation method of a nylon 6 composite material is characterized in that, comprises the steps:
Prepare work in-process one and work in-process two respectively; Wherein, said work in-process one are by Nylon 6, the toughner of 0~10 parts by weight, the Masterbatch of 1.2~1.5 parts by weight, the spun glass of 28~30 parts by weight, the oxidation inhibitor of 0.3~0.5 parts by weight and the mix lubricant granulation of 0.3~0.5 parts by weight of 60~70 parts by weight; Said work in-process two are by Nylon 6, the toughner of 30~40 parts by weight, the Masterbatch of 1.2~1.5 parts by weight, the oxidation inhibitor of 0.3~0.5 parts by weight and the mix lubricant granulation of 0.3~0.5 parts by weight of 58~68 parts by weight;
Said work in-process one and work in-process two are mixed through the spice cylinder by weight 1: 1 ratio obtain said nylon 6 composite material.
9. the preparation method of nylon 6 composite material as claimed in claim 8 is characterized in that, said Nylon 6 limiting viscosity is 4.5; Toughner is the maleic anhydride grafted ethene octene copolymer; Masterbatch be carbonaceous powder be the Masterbatch of carrier with the Vilaterm; Oxidation inhibitor is Hinered phenols antioxidant and the phosphite ester kind antioxidant mixture by weight 1: 1 ratio; Lubricant is an ethylene bis stearamide; Spun glass is an alkali free glass fibre.
CN2011102301813A 2011-08-11 2011-08-11 Nylon 6 composite material and preparation method thereof Pending CN102337028A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102705691A (en) * 2012-06-29 2012-10-03 宁夏青龙塑料管材有限公司 Reinforced polyethylene composite pipe with oil resistance and organic solvent corrosion resistance
CN108026368A (en) * 2015-08-14 2018-05-11 沙特基础工业全球技术公司 The nylon composite materials of color masterbatch glass-filled
CN109015434A (en) * 2018-07-05 2018-12-18 盐城市丰实金属磨料有限公司 A kind of nylon ball and preparation method thereof and purposes
CN110483988A (en) * 2019-09-04 2019-11-22 江苏卡拿翰机电科技有限公司 A kind of PP material and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
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
CN101250322A (en) * 2008-04-11 2008-08-27 南京聚隆化学实业有限责任公司 Nylon engineering plastic for high-speed railway rail fastening and method for manufacturing same
CN101544821A (en) * 2009-04-29 2009-09-30 株洲时代工程塑料制品有限责任公司 High performance nylon composite for railway fastener gauge apron and its preparation method

Patent Citations (3)

* Cited by examiner, † Cited by third party
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
CN101250322A (en) * 2008-04-11 2008-08-27 南京聚隆化学实业有限责任公司 Nylon engineering plastic for high-speed railway rail fastening and method for manufacturing same
CN101544821A (en) * 2009-04-29 2009-09-30 株洲时代工程塑料制品有限责任公司 High performance nylon composite for railway fastener gauge apron and its preparation method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102705691A (en) * 2012-06-29 2012-10-03 宁夏青龙塑料管材有限公司 Reinforced polyethylene composite pipe with oil resistance and organic solvent corrosion resistance
CN102705691B (en) * 2012-06-29 2015-04-15 宁夏青龙塑料管材有限公司 Reinforced polyethylene composite pipe with oil resistance and organic solvent corrosion resistance
CN108026368A (en) * 2015-08-14 2018-05-11 沙特基础工业全球技术公司 The nylon composite materials of color masterbatch glass-filled
CN109015434A (en) * 2018-07-05 2018-12-18 盐城市丰实金属磨料有限公司 A kind of nylon ball and preparation method thereof and purposes
CN110483988A (en) * 2019-09-04 2019-11-22 江苏卡拿翰机电科技有限公司 A kind of PP material and preparation method thereof

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Application publication date: 20120201