CN109943069A - A kind of preparation method of automobile pipeline system long carbon chain nylon material - Google Patents
A kind of preparation method of automobile pipeline system long carbon chain nylon material Download PDFInfo
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- CN109943069A CN109943069A CN201910216051.0A CN201910216051A CN109943069A CN 109943069 A CN109943069 A CN 109943069A CN 201910216051 A CN201910216051 A CN 201910216051A CN 109943069 A CN109943069 A CN 109943069A
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Abstract
The invention discloses a kind of automobile pipeline system preparation methods of long carbon chain nylon material, belong to the technical field by forming the daiamid composition that carboxylic acid amide bonding reaction obtains in main chain；Raw material includes following parts by weight of component: 50-98 parts of long carbon chain nylon resin, 1-25 parts of plasticizer, 1-25 parts of nylon elastomer, 0-5 parts of color masterbatch, 0.1-6 parts of antioxidant, 0.1-5 parts of lubricant, 0.1-2 parts of fluorescent whitening agent, 0.1-2 parts of nucleating agent；Above-mentioned raw materials are added twin-screw extrude, nylon pipe material particle is obtained；Raw material sources of the present invention are extensive, and cost is relatively low, and are added to nylon elastomer, and product resistance to low temperature is good, can be used in squeezing out long carbon chain nylon hose, alternative import PA11, PA12 etc..
Description
Technical field
The present invention proposes a kind of preparation method of automobile pipeline system long carbon chain nylon material, is related to by being formed in main chain
The technical field of the composition for the polyamide that carboxylic acid amide bonding reaction obtains.
Background technique
Currently, automobile pipeline system is mainly produced using the nylon 11 of external import, nylon 12 with long carbon chain nylon material, valence
Lattice are expensive；And PA11 and the current country PA12 are not carried out scale volume production.
Such as ShanDong DongChen Engineering Plastic Co., Ltd., domestic enterprise proposes the modified scheme for being used as nylon materials in the tube of PA1012,
The disclosure number is that the Chinese invention patent of 105838066 A of CN discloses long carbon chain nylon materials in the tube and preparation method thereof, Long carbon chain
The raw material of nylon materials in the tube includes long carbon chain nylon resin, liquid plasticizer, antioxidant, lubricant and light stabilizer, utilizes double spiral shells
The various hoses of automobile of bar extruder extruding pelletization preparation have very strong flexibility, and resistance to thermal oxide, photooxidation resistant, oil resistant
Deng.But program preparation cost is higher, and decamethylene diamine used in raw material is mainly derived from castor oil separation processing, limits throughput；
In addition, due to not having addition nylon elastomer, resistance to low temperature is also limited.
Summary of the invention
In order to reduce cost, expands raw material sources, improve the resistance to low temperature of material, the present invention provides a kind of automobile pipeline
The preparation method of system long carbon chain nylon material.
Specific technical solution of the invention is as follows:
A kind of preparation method of automobile pipeline system long carbon chain nylon material, raw material comprise the following components in parts by weight: long
50-98 parts of carbon chain nylon resin, 1-25 parts of plasticizer, 1-25 parts of nylon elastomer, 0-5 parts of color masterbatch, 0.1-6 parts of antioxidant, profit
0.1-5 parts of lubrication prescription, 0.1-2 parts of fluorescent whitening agent, 0.1-2 parts of nucleating agent, the sum of the above components are 100 parts.
Preferably scheme is that the long carbon chain nylon is nylon 610, nylon 612, nylon 613, nylon 614, nylon
1010, in Nylon 1012, nylon 1212 or the above nylon any two kinds of nylon copolymer (including but not limited to Nylon 1012/
1010 copolymers, Nylon 1012/612 copolymers etc.)；Or one of the above nylon resin and nylon resin copolymer or
A variety of mixing.
Preferably scheme is that the plasticizer is N- (2- hydroxypropyl) benzsulfamide or N- ethyl adjacency pair tosyl
Amine.
Preferably scheme is that the nylon elastomer is 12 elastomer of nylon, nylon 11 elastomer, Nylon 1012 elasticity
Body, nylon 612 elastomer, nylon 610 elastomer or several combination of any of the above.
Preferably scheme is that the antioxidant is the mixing of antioxidant 1098 and irgasfos 168, and the mass ratio of the two is 2:
1。
Preferably scheme is, the lubricant be paraffin powder, silicone master batch, oleamide, erucyl amide, calcium stearate,
Zinc stearate, barium stearate or several combination of any of the above.
Preferably scheme is, the color masterbatch is PE color masterbatch, PP color masterbatch, PA color masterbatch or several combination of any of the above；It is described
Fluorescent whitening agent is the combination of OB, OB-1 or both.
Preferably scheme is that the nucleating agent is that long-chain linear saturated carboxylic acid sodium salt, carboxylic acid calcium salt or any of the above are several
The combination of kind.
The preparation method of automobile pipeline system long carbon chain nylon material, comprising the following steps:
1) mixing: long carbon chain nylon resin, nylon elastomer, color masterbatch are mixed 5-10 minutes and are used as material 1；By antioxygen
Agent, fluorescent whitening agent, is used as material 2 in nucleating agent mixing 5-10 minutes at lubricant；
2) extruding pelletization: the feeding into extrusion equipment by the material 1 mixed and material 2；And it is added in extrusion equipment
Plasticizer is granulated.
Better scheme is that the extrusion equipment is Twin screw extruder, each area's temperature setting of Twin screw extruder are as follows:
One 200-240 DEG C of area's temperature, two 200-240 DEG C of area's temperature, three 200-240 DEG C of area's temperature, four 200-240 DEG C of area's temperature, 5th area
200-240 DEG C of temperature, six 200-240 DEG C of area's temperature, seven 200-240 DEG C of area's temperature, eight 200-240 DEG C of area's temperature, nine Qu Wendu
200-240 DEG C, ten 200-240 DEG C of area's temperature；200-240 DEG C of head temperature；Extruder engine speed 400-600r/min, host
Electric current 50-100A.
Compared with the prior art, the advantages of the present invention are as follows:
1) the long carbon chain nylon resin that the present invention uses, it is not only from a wealth of sources and at low cost；(such as the raw material of PA612 oneself
Diamines yield is big, at low cost；Dodecanedicarboxylic acid can pass through butadiene process, oxidizing cyclohexanone method, and domestic biofermentation
Method production)
2) present invention is added to nylon elastomer, and product low temperature performance is good, and flexibility is good, low temperature non-notch impact property
It is continuous at -30 DEG C；Low temperature notched impact property is 4-20kJ/m2；The single layer pipeline of extrusion molding 8*1mm, low-temperature impact can
To pass through the requirement of GB16897；
3) present invention is mixed using antioxidant 1098 and irgasfos 168, and heatproof air aging performance is good；
4) the resistance to liquor zinci chloridi performance of the present invention is good, can be tested by the 50% concentration zinc chloride of GB16897.
Specific embodiment
Embodiment 1
Weigh 74 kilograms of PA610,10 kilograms of 12 elastomers of nylon, 2 kilograms of PE black masterbatch, 1 kilogram of antioxidant 1098,0.5
Kilogram irgasfos 168,1 kilogram of paraffin powder, 1 kilogram of Licomont CaV102,15 kilograms of N- (2- hydroxypropyl) benzsulfamides will
Above-mentioned PA610,12 elastomer of nylon, PE black masterbatch (long carbon chain nylon resin, nylon elastomer, color masterbatch) are added in high mixer,
It is used as material 1 within mixing 5-10 minutes；By above-mentioned antioxidant 1098, irgasfos 168, paraffin powder, Licomont CaV102, N-
(2- hydroxypropyl) benzsulfamide (antioxidant, lubricant, fluorescent whitening agent, nucleating agent) is added in high mixer, mixes 5-10 minutes
As material 2；The material 1 mixed is added in Twin screw extruder main hopper, is squeezed by main feeding Weightlessness balance to twin-screw
Feeding in machine out；The material 2 mixed is added in No. 2 hoppers of double screw extruder, by No. 2 weightless feeding scales to twin-screw
Feeding in extruder；With liquid weightlessness claim that plasticizer is added into double screw extruder, be granulated, drying test mechanical property
Energy.
Each area's temperature setting of Twin screw extruder are as follows: 240 DEG C of area's temperature, two 240 DEG C of area's temperature, three 240 DEG C of area's temperature,
Four 240 DEG C of area's temperature, five 240 DEG C of area's temperature, six 240 DEG C of area's temperature, seven 240 DEG C of area's temperature, eight 240 DEG C of area's temperature, nine Qu Wen
240 DEG C of degree, ten 240 DEG C of area's temperature；240 DEG C of head temperature；Extruder engine speed 600r/min, host electric current 100A.
Embodiment 2
Weigh 80 kilograms of PA612,10 kilograms of nylon 11 elastomers, 2 kilograms of PA black masterbatch, 1 kilogram of antioxidant 1098,0.5
Kilogram irgasfos 168,0.5 kilogram of silicone powder, 1 kilogram of Licomont CaV102,15 kilograms of N- (2- hydroxypropyl) benzsulfamides,
It according to processing method described in embodiment 1, is granulated with double screw extruder, drying test mechanical property.
Embodiment 3
Weigh 76 kilograms of PA614,10 kilograms of Nylon 1012 elastomers, 1 kilogram of antioxidant, 1098,0.5 kilogram of antioxidant
168,0.5 kilograms of oleamides, 0.5 kilogram of OB, 1 kilogram of Licomont NaV101,12 kilograms of N- ethyl adjacency pair tosyls
Amine is granulated according to processing method described in embodiment 1 with double screw extruder, drying test mechanical property.
Embodiment 4
Weigh 75 kilograms of PA613,8 kilograms of nylon 612 elastomers, 1 kilogram of antioxidant, 1098,0.5 kilogram of irgasfos 168,
0.5 kilogram of erucyl amide, 0.5 kilogram of OB, 1 kilogram of Licomont NaV101,15 kilograms of N- ethyl adjacency pair toluenesulfonamides are pressed
It according to processing method described in embodiment 1, is granulated with double screw extruder, drying test mechanical property.
| Performance | PA11 | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Tensile strength MPa | 48 | 43 | 41 | 36 | 41 |
| Elongation at break % | 300 | 162 | 250 | 237 | 320 |
| 23 DEG C of notch impact strength KJ/m2 | NB | NB | 87 | NB | NB |
| - 30 DEG C of notch impact strength KJ/m2 | 7 | 4.6 | 7.2 | 14.8 | 8.3 |
| Bending modulus MPa | 350 | 434 | 565 | 522 | 423.7 |
| 8*1mm pipe low-temperature impact | Constantly | Constantly | Constantly | Constantly | Constantly |
| Resistance to 50%ZnCl2Aqueous solution | Without cracking | Without cracking | Without cracking | Without cracking | Without cracking |
| Squeeze out 8*1mm pipe low-temperature impact test | Without cracking | Without cracking | Without cracking | Without cracking | Without cracking |
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (10)
1. a kind of automobile pipeline system preparation method of long carbon chain nylon material, characterized in that raw material includes following parts by weight
Component: 50-98 parts of long carbon chain nylon resin, 1-25 parts of plasticizer, 1-25 parts of nylon elastomer, 0-5 parts of color masterbatch, antioxidant 0.1-
6 parts, 0.1-5 parts of lubricant, 0.1-2 parts of fluorescent whitening agent, 0.1-2 parts of nucleating agent, the sum of the above components are 100 parts.
2. the automobile pipeline system according to claim 1 preparation method of long carbon chain nylon material, characterized in that the length
Carbon chain nylon is nylon 610, nylon 612, nylon 613, nylon 614, nylon 1010, Nylon 1012, nylon 1212 or the above Buddhist nun
The copolymer of any two kinds of nylon in dragon；Or one of the above nylon resin and nylon resin copolymer or a variety of mixed
It closes.
3. the automobile pipeline system according to claim 1 preparation method of long carbon chain nylon material, characterized in that the increasing
Modeling agent is N- (2- hydroxypropyl) benzsulfamide or N- ethyl adjacency pair toluenesulfonamide.
4. the automobile pipeline system according to claim 1 preparation method of long carbon chain nylon material, characterized in that the Buddhist nun
Imperial elastomer is 12 elastomer of nylon, nylon 11 elastomer, Nylon 1012 elastomer, nylon 612 elastomer, nylon 610 elasticity
Body or several combination of any of the above.
5. the automobile pipeline system according to claim 1 preparation method of long carbon chain nylon material, characterized in that described anti-
Oxygen agent is the mixing of antioxidant 1098 and irgasfos 168, and the mass ratio of the two is 2:1.
6. the automobile pipeline system according to claim 1 preparation method of long carbon chain nylon material, characterized in that the profit
Lubrication prescription is paraffin powder, silicone master batch, oleamide, erucyl amide, calcium stearate, zinc stearate, barium stearate or to take up an official post
It anticipates several combinations.
7. the automobile pipeline system according to claim 1 preparation method of long carbon chain nylon material, characterized in that the color
Mother is PE color masterbatch, PP color masterbatch, PA color masterbatch or several combination of any of the above；The fluorescent whitening agent is OB, OB-1's or both
Combination.
8. the automobile pipeline system according to claim 1 preparation method of long carbon chain nylon material, characterized in that it is described at
Core agent is long-chain linear saturated carboxylic acid sodium salt, carboxylic acid calcium salt or several combination of any of the above.
9. the preparation method of automobile pipeline system long carbon chain nylon material described in -8 any one according to claim 1, special
Sign is, comprising the following steps:
1) mixing: long carbon chain nylon resin, nylon elastomer, color masterbatch are mixed 5-10 minutes and are used as material 1；By antioxidant, profit
Lubrication prescription, is used as material 2 in nucleating agent mixing 5-10 minutes at fluorescent whitening agent；
2) extruding pelletization: the feeding into extrusion equipment by the material 1 mixed and material 2；And plasticising is added in extrusion equipment
Agent is granulated.
10. the automobile pipeline system according to claim 9 preparation method of long carbon chain nylon material, characterized in that described
Extrusion equipment be Twin screw extruder, Twin screw extruder each area's temperature setting are as follows: 200-240 DEG C of area's temperature, two area's temperature
200-240 DEG C of degree, three 200-240 DEG C of area's temperature, four 200-240 DEG C of area's temperature, five 200-240 DEG C of area's temperature, six Qu Wendu
200-240 DEG C, seven 200-240 DEG C of area's temperature, eight 200-240 DEG C of area's temperature, nine 200-240 DEG C of area's temperature, ten area temperature 200-
240℃；200-240 DEG C of head temperature；Extruder engine speed 400-600r/min, host electric current 50-100A.
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| CN201910216051.0A CN109943069A (en) | 2019-03-21 | 2019-03-21 | A kind of preparation method of automobile pipeline system long carbon chain nylon material |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110885552A (en) * | 2019-12-16 | 2020-03-17 | 山东东辰瑞森新材料科技有限公司 | Sulfur-free nylon material for oil delivery hose |
| CN111004503A (en) * | 2019-12-29 | 2020-04-14 | 无锡殷达尼龙有限公司 | Formula of nylon hose material |
| CN111004502A (en) * | 2019-12-29 | 2020-04-14 | 无锡殷达尼龙有限公司 | Toughened polyamide resin composite material |
| CN111073279A (en) * | 2019-12-29 | 2020-04-28 | 无锡殷达尼龙有限公司 | Formula and preparation method of nylon pipe with high pressure-bearing capacity |
| CN111763423A (en) * | 2020-06-19 | 2020-10-13 | 山东东辰瑞森新材料科技有限公司 | Nylon sphere material and preparation method thereof |
| CN112457666A (en) * | 2020-11-24 | 2021-03-09 | 建湖县兴隆尼龙有限公司 | Special material for transparent nylon tube and preparation method thereof |
| CN112457665A (en) * | 2020-11-23 | 2021-03-09 | 山东广垠新材料有限公司 | Ceramic-like nylon material and preparation method thereof |
| CN112476824A (en) * | 2020-09-30 | 2021-03-12 | 山东东辰瑞森新材料科技有限公司 | Preparation method of transparent nylon |
| CN113801468A (en) * | 2021-09-17 | 2021-12-17 | 东风商用车有限公司 | Modified material for trailer spiral pipe and trailer spiral pipe |
| CN114410109A (en) * | 2022-02-23 | 2022-04-29 | 上海聚威新材料股份有限公司 | Extruded and low-temperature-bending-resistant aliphatic long-carbon-chain nylon composite material and preparation method thereof |
| CN115746557A (en) * | 2022-12-21 | 2023-03-07 | 无锡殷达尼龙有限公司 | Toughened long carbon chain nylon and preparation method and application thereof |
| CN115975385A (en) * | 2022-12-12 | 2023-04-18 | 万华化学集团股份有限公司 | Nylon elastomer foam material and preparation method and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102604373A (en) * | 2012-02-23 | 2012-07-25 | 无锡殷达尼龙有限公司 | Formula of nylon hose |
| CN104033472A (en) * | 2014-05-30 | 2014-09-10 | 宁波高发汽车控制***股份有限公司 | Central spindle for automobile |
| CN105838066A (en) * | 2016-05-09 | 2016-08-10 | 山东东辰工程塑料有限公司 | Long-carbon-chain nylon pipe and preparation method thereof |
| CN107057335A (en) * | 2016-12-30 | 2017-08-18 | 中广核三角洲（苏州）新材料研发有限公司 | Transparent nylon elastomer and preparation method thereof |
| CN107325552A (en) * | 2017-08-09 | 2017-11-07 | 无锡殷达尼龙有限公司 | A kind of nylon pipe with high bearing capacity and high-flexibility and preparation method thereof |
-
2019
- 2019-03-21 CN CN201910216051.0A patent/CN109943069A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102604373A (en) * | 2012-02-23 | 2012-07-25 | 无锡殷达尼龙有限公司 | Formula of nylon hose |
| CN104033472A (en) * | 2014-05-30 | 2014-09-10 | 宁波高发汽车控制***股份有限公司 | Central spindle for automobile |
| CN105838066A (en) * | 2016-05-09 | 2016-08-10 | 山东东辰工程塑料有限公司 | Long-carbon-chain nylon pipe and preparation method thereof |
| CN107057335A (en) * | 2016-12-30 | 2017-08-18 | 中广核三角洲（苏州）新材料研发有限公司 | Transparent nylon elastomer and preparation method thereof |
| CN107325552A (en) * | 2017-08-09 | 2017-11-07 | 无锡殷达尼龙有限公司 | A kind of nylon pipe with high bearing capacity and high-flexibility and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 朱平等: "长碳链聚酰胺基热塑性弹性体研究进展", 《高分子通报》 * |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110885552A (en) * | 2019-12-16 | 2020-03-17 | 山东东辰瑞森新材料科技有限公司 | Sulfur-free nylon material for oil delivery hose |
| CN111004503A (en) * | 2019-12-29 | 2020-04-14 | 无锡殷达尼龙有限公司 | Formula of nylon hose material |
| CN111004502A (en) * | 2019-12-29 | 2020-04-14 | 无锡殷达尼龙有限公司 | Toughened polyamide resin composite material |
| CN111073279A (en) * | 2019-12-29 | 2020-04-28 | 无锡殷达尼龙有限公司 | Formula and preparation method of nylon pipe with high pressure-bearing capacity |
| CN111763423B (en) * | 2020-06-19 | 2022-01-25 | 山东东辰瑞森新材料科技有限公司 | Nylon sphere material and preparation method thereof |
| CN111763423A (en) * | 2020-06-19 | 2020-10-13 | 山东东辰瑞森新材料科技有限公司 | Nylon sphere material and preparation method thereof |
| CN112476824A (en) * | 2020-09-30 | 2021-03-12 | 山东东辰瑞森新材料科技有限公司 | Preparation method of transparent nylon |
| CN112457665A (en) * | 2020-11-23 | 2021-03-09 | 山东广垠新材料有限公司 | Ceramic-like nylon material and preparation method thereof |
| CN112457666A (en) * | 2020-11-24 | 2021-03-09 | 建湖县兴隆尼龙有限公司 | Special material for transparent nylon tube and preparation method thereof |
| CN113801468A (en) * | 2021-09-17 | 2021-12-17 | 东风商用车有限公司 | Modified material for trailer spiral pipe and trailer spiral pipe |
| CN113801468B (en) * | 2021-09-17 | 2023-10-24 | 东风商用车有限公司 | Modified material for spiral pipe of trailer and spiral pipe of trailer |
| CN114410109A (en) * | 2022-02-23 | 2022-04-29 | 上海聚威新材料股份有限公司 | Extruded and low-temperature-bending-resistant aliphatic long-carbon-chain nylon composite material and preparation method thereof |
| CN115975385A (en) * | 2022-12-12 | 2023-04-18 | 万华化学集团股份有限公司 | Nylon elastomer foam material and preparation method and application thereof |
| CN115975385B (en) * | 2022-12-12 | 2024-03-08 | 万华化学集团股份有限公司 | Nylon elastomer foaming material and preparation method and application thereof |
| CN115746557A (en) * | 2022-12-21 | 2023-03-07 | 无锡殷达尼龙有限公司 | Toughened long carbon chain nylon and preparation method and application thereof |
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