CN104072986A - Oil-resistant and high-temperature-resistant nylon material for nylon cam - Google Patents
Oil-resistant and high-temperature-resistant nylon material for nylon cam Download PDFInfo
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- CN104072986A CN104072986A CN201410261626.8A CN201410261626A CN104072986A CN 104072986 A CN104072986 A CN 104072986A CN 201410261626 A CN201410261626 A CN 201410261626A CN 104072986 A CN104072986 A CN 104072986A
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- nylon
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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
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses an oil-resistant and high-temperature-resistant nylon material for a nylon cam. The nylon material is prepared from the following raw materials in parts by weight: 55-65 parts of nylon 66 resin, 15-20 parts of MC nylon, 10-15 parts of modified SEBS (styrene ethylene butadiene styrene) copolymer, 20-30 parts of montmorillonite, 0.8-1.5 parts of coupling agent, 30-40 parts of chopped glass fiber, 20-30 parts of magnesium hydroxide, 0.1-0.3 part of phenolic antioxidant, 0.1-0.3 part of phosphite ester antioxidant and 0.2-0.5 part of processing aid namely silicone powder. The oil-resistant and high-temperature-resistant nylon material for the nylon cam disclosed by the invention is oil-resistant, high-temperature-resistant, impact-resistant and excellent in wear-resistant performance.
Description
Technical field
The present invention relates to nylon material technical field, relate in particular to a kind of oil resistant high temperature resistant nylon cam nylon material.
Background technology
Nylon 66 has following characteristics: 1. good mechanical property, and the physical strength of nylon is high, good toughness; 2. self-lubricity, rub resistance are good, and nylon has good self-lubricity, and frictional coefficient is little, thereby, as its long service life of drive disk assembly; 3. good springiness, resistance to fatigue is good, can stand two deflections of tens thousand of times; 4. corrosion resistance nature is good, not mould, is not afraid of moth, has alkaline-resisting ability, but not acidproof and oxygenant.Due to the excellent properties of nylon 66, make it industry manufacture in application very extensive, as in the fields such as automobile, instrument, machinery, weaving, mostly adopt this material as component and structural part.Along with the light-weighted process of miniaturization, the high performance of electronic electric equipment, mechanical means of automobile is accelerated, to more Gao Geng great of the demand of nylon.This need to pass through the modification to nylon 66, improves its oil resistant, high temperature resistant, tensile strength, flexural strength and wear resisting property and makes it to meet the requirement of governor gear to nylon material.
Summary of the invention
The technical problem that basic background technology exists, the present invention proposes a kind of oil resistant high temperature resistant nylon cam nylon material, oil resistant, high temperature resistant, shock resistance, wear resisting property excellence.
A kind of oil resistant high temperature resistant nylon cam nylon material that the present invention proposes, its raw material comprises by weight: Nylon 66 55-65 part, MC nylon 15-20 part, modified SEBS copolymer 1 0-15 part, polynite 20-30 part, coupling agent 0.8-1.5 part, short glass fiber 30-40 part, magnesium hydroxide 20-30 part, phenolic antioxidant 0.1-0.3 part, phosphite antioxidant 0.1-0.3 part, processing aid silicone powder 0.2-0.5 part; Total in preparation process, S1, first nylon 66, MC nylon, polynite and modified SEBS multipolymer are placed in to baking oven and smoke 8-13h, oven temperature is 85-93 DEG C, baking oven vacuum tightness is 1.5-3kPa; S2, then the material obtaining is sent into extruding pelletization in twin screw extruder and obtained modification of nylon resin, extrusion temperature is 260-280 DEG C, and driving screw rotating speed is turn/min of 250-280; S3, in the modification of nylon resin obtaining, add coupling agent, short glass fiber, toughner, magnesium hydroxide, phenolic antioxidant, phosphite antioxidant and processing aid silicone powder and send in screw extrusion press, processing temperature is 230-240 DEG C, screw speed is turn/min of 300-350, extruding pelletization after melting, vacuum-drying 8-13h, drying temperature is 85-88 DEG C, obtains oil resistant high temperature resistant nylon cam nylon material.
Preferably, described modified SEBS multipolymer is by the vinylbenzene of the maleic anhydride graft of 1.6-1.78wt%-(second rare-butylene)-styrene block copolymer.
Preferably, the weight ratio of Nylon 66, MC nylon, modified SEBS multipolymer and polynite is 55:15:15:25.
Preferably, coupling agent can be one or more compositions of 3-glycidyl ether oxygen base propyl trimethoxy silicane, γ-methacryloxypropyl trimethoxy silane, gamma-mercaptopropyltriethoxysilane, N-β-aminoethyl-γ-aminopropyl methyl dimethoxysilane, N-(β-aminoethyl)-γ-aminopropyl triethoxysilane.
The weight ratio of preferably, polynite, coupling agent and short glass fiber is 25:1-1.5:30-35.
Preferably, in S1, the time of smoking is 12h, and oven temperature is 90 DEG C, and baking oven vacuum tightness is 2.2kPa.
Preferably, in S2, extrusion temperature is 275 DEG C, and driving screw rotating speed is 260 turn/min.
Preferably, in S3, processing temperature is 235 DEG C, and screw speed is 320 turn/min, extruding pelletization after melting, and vacuum-drying 10h, drying temperature is 86 DEG C.
The present invention adopts Nylon 66 and MC nylon as major ingredient, and product shock resistance is high, oil resistant, high temperature resistant; Adopt modified SEBS multipolymer as toughner and Nylon 66 effect, and coordinate short glass fiber, significantly improve the resistance to elevated temperatures of product, and tensile strength of the present invention is further increased, and can not produce crosslinkedly, processing fluidity is good; Utilize the shearing force of screw rod in screw extrusion press that nylon 66, MC nylon macromolecular chain and polynite are interacted, nylon 66 macromole and MC nylon chain are inserted between montmorillonite layer, and lamella is strutted until dissociate, make polynite reach the dispersed of nanoscale, can make the thermostability of product further increase, and can significantly improve wear resisting property of the present invention.
Embodiment
Below, by specific embodiment, technical scheme of the present invention is elaborated.
Embodiment 1
A kind of oil resistant high temperature resistant nylon cam nylon material that the present invention proposes, its raw material comprises by weight: 55 parts of Nylon 66s, 20 parts of MC nylon, 0 part of modified SEBS copolymer 1,30 parts of polynites, 0.8 part of 3-glycidyl ether oxygen base propyl trimethoxy silicane, 40 parts of short glass fibers, 20 parts of magnesium hydroxides, 0.3 part of phenolic antioxidant, 0.1 part of phosphite antioxidant, 0.5 part, processing aid silicone powder, wherein modified SEBS multipolymer is by the vinylbenzene of the maleic anhydride graft of 1.6wt%-(second rare-butylene)-styrene block copolymer;
According to above-mentioned raw materials proportioning, in the preparation process of nylon material, adopt following processing step:
S1, first nylon 66, MC nylon, polynite and modified SEBS multipolymer are placed in to baking oven and smoke 13h, oven temperature is 85 DEG C, and baking oven vacuum tightness is 3kPa;
S2, then the material obtaining is sent into extruding pelletization in twin screw extruder and obtained modification of nylon resin, extrusion temperature is 260 DEG C, and driving screw rotating speed is 280 turn/min;
S3, in the modification of nylon resin obtaining, add 3-glycidyl ether oxygen base propyl trimethoxy silicane, short glass fiber, toughner, magnesium hydroxide, phenolic antioxidant, phosphite antioxidant and processing aid silicone powder and send in screw extrusion press, processing temperature is 230 DEG C, screw speed is 350 turn/min, extruding pelletization after melting, vacuum-drying 8h, drying temperature is 88 DEG C, obtains oil resistant high temperature resistant nylon cam nylon material.
Embodiment 2
A kind of oil resistant high temperature resistant nylon cam nylon material that the present invention proposes, its raw material comprises by weight: 65 parts of Nylon 66s, 15 parts of MC nylon, 5 parts of modified SEBS copolymer 1s, 20 parts of polynites, 1.5 parts of gamma-mercaptopropyltriethoxysilanes, 30 parts of short glass fibers, 30 parts of magnesium hydroxides, 0.1 part of phenolic antioxidant, 0.3 part of phosphite antioxidant, 0.2 part, processing aid silicone powder, wherein modified SEBS multipolymer is by the vinylbenzene of the maleic anhydride graft of 1.78wt%-(second rare-butylene)-styrene block copolymer;
According to above-mentioned raw materials proportioning, in the preparation process of nylon material, adopt following processing step:
S1, first nylon 66, MC nylon, polynite and modified SEBS multipolymer are placed in to baking oven and smoke 8h, oven temperature is 93 DEG C, and baking oven vacuum tightness is 1.5kPa;
S2, then the material obtaining is sent into extruding pelletization in twin screw extruder and obtained modification of nylon resin, extrusion temperature is 280 DEG C, and driving screw rotating speed is 250 turn/min;
S3, in the modification of nylon resin obtaining, add gamma-mercaptopropyltriethoxysilane, short glass fiber, toughner, magnesium hydroxide, phenolic antioxidant, phosphite antioxidant and processing aid silicone powder and send in screw extrusion press, processing temperature is 240 DEG C, screw speed is 300 turn/min, extruding pelletization after melting, vacuum-drying 13h, drying temperature is 85 DEG C, obtains oil resistant high temperature resistant nylon cam nylon material.
Embodiment 3
A kind of oil resistant high temperature resistant nylon cam nylon material that the present invention proposes, its raw material comprises by weight: 60 parts of Nylon 66s, 18 parts of MC nylon, 3 parts of modified SEBS copolymer 1s, 25 parts of polynites, N-(β-aminoethyl)-1 part of γ-aminopropyl triethoxysilane, 35 parts of short glass fibers, 25 parts of magnesium hydroxides, 0.2 part of phenolic antioxidant, 0.2 part of phosphite antioxidant, 0.4 part, processing aid silicone powder, wherein modified SEBS multipolymer is by the vinylbenzene of the maleic anhydride graft of 1.7wt%-(second rare-butylene)-styrene block copolymer;
According to above-mentioned raw materials proportioning, in the preparation process of nylon material, adopt following processing step:
S1, first nylon 66, MC nylon, polynite and modified SEBS multipolymer are placed in to baking oven and smoke 12h, oven temperature is 90 DEG C, and baking oven vacuum tightness is 2.2kPa;
S2, then the material obtaining is sent into extruding pelletization in twin screw extruder and obtained modification of nylon resin, extrusion temperature is 275 DEG C, and driving screw rotating speed is 260 turn/min;
S3, in the modification of nylon resin obtaining, add N-(β-aminoethyl)-γ-aminopropyl triethoxysilane, short glass fiber, toughner, magnesium hydroxide, phenolic antioxidant, phosphite antioxidant and processing aid silicone powder and send in screw extrusion press, processing temperature is 235 DEG C, screw speed is 320 turn/min, extruding pelletization after melting, vacuum-drying 10h, drying temperature is 86 DEG C, obtains oil resistant high temperature resistant nylon cam nylon material.
The above; it is only preferably embodiment of the present invention; but protection scope of the present invention is not limited to this; any be familiar with those skilled in the art the present invention disclose technical scope in; be equal to replacement or changed according to technical scheme of the present invention and inventive concept thereof, within all should being encompassed in protection scope of the present invention.
Claims (8)
1. an oil resistant high temperature resistant nylon cam nylon material, it is characterized in that, its raw material comprises by weight: Nylon 66 55-65 part, MC nylon 15-20 part, modified SEBS copolymer 1 0-15 part, polynite 20-30 part, coupling agent 0.8-1.5 part, short glass fiber 30-40 part, magnesium hydroxide 20-30 part, phenolic antioxidant 0.1-0.3 part, phosphite antioxidant 0.1-0.3 part, processing aid silicone powder 0.2-0.5 part; In preparation process, S1, first nylon 66, MC nylon, polynite and modified SEBS multipolymer are placed in to baking oven and smoke 8-13h, oven temperature is 85-93 DEG C, baking oven vacuum tightness is 1.5-3kPa; S2, then the material obtaining is sent into extruding pelletization in twin screw extruder and obtained modification of nylon resin, extrusion temperature is 260-280 DEG C, and driving screw rotating speed is turn/min of 250-280; S3, in the modification of nylon resin obtaining, add coupling agent, short glass fiber, toughner, magnesium hydroxide, phenolic antioxidant, phosphite antioxidant and processing aid silicone powder and send in screw extrusion press, processing temperature is 230-240 DEG C, screw speed is turn/min of 300-350, extruding pelletization after melting, vacuum-drying 8-13h, drying temperature is 85-88 DEG C, obtains oil resistant high temperature resistant nylon cam nylon material.
2. oil resistant high temperature resistant nylon cam nylon material according to claim 1, is characterized in that, described modified SEBS multipolymer is by the vinylbenzene of the maleic anhydride graft of 1.6-1.78wt%-(second rare-butylene)-styrene block copolymer.
3. oil resistant high temperature resistant nylon cam nylon material according to claim 1, is characterized in that, the weight ratio of Nylon 66, MC nylon, modified SEBS multipolymer and polynite is 55:15:15:25.
4. oil resistant high temperature resistant nylon cam nylon material according to claim 1, it is characterized in that, coupling agent can be one or more compositions of 3-glycidyl ether oxygen base propyl trimethoxy silicane, γ-methacryloxypropyl trimethoxy silane, gamma-mercaptopropyltriethoxysilane, N-β-aminoethyl-γ-aminopropyl methyl dimethoxysilane, N-(β-aminoethyl)-γ-aminopropyl triethoxysilane.
5. oil resistant high temperature resistant nylon cam nylon material according to claim 1, is characterized in that, the weight ratio of polynite, coupling agent and short glass fiber is 25:1-1.5:30-35.
6. according to the oil resistant high temperature resistant nylon cam nylon material described in any one in claim 1-5, it is characterized in that, in S1, the time of smoking is 12h, and oven temperature is 90 DEG C, and baking oven vacuum tightness is 2.2kPa.
7. according to the oil resistant high temperature resistant nylon cam nylon material described in any one in claim 1-6, it is characterized in that, in S2, extrusion temperature is 275 DEG C, and driving screw rotating speed is 260 turn/min.
8. according to the oil resistant high temperature resistant nylon cam nylon material described in any one in claim 1-7, it is characterized in that, in S3, processing temperature is 235 DEG C, and screw speed is 320 turn/min, extruding pelletization after melting, and vacuum-drying 10h, drying temperature is 86 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410261626.8A CN104072986A (en) | 2014-06-12 | 2014-06-12 | Oil-resistant and high-temperature-resistant nylon material for nylon cam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410261626.8A CN104072986A (en) | 2014-06-12 | 2014-06-12 | Oil-resistant and high-temperature-resistant nylon material for nylon cam |
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| CN104072986A true CN104072986A (en) | 2014-10-01 |
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| CN201410261626.8A Pending CN104072986A (en) | 2014-06-12 | 2014-06-12 | Oil-resistant and high-temperature-resistant nylon material for nylon cam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109135274A (en) * | 2018-07-27 | 2019-01-04 | 广东顺德顺炎新材料股份有限公司 | A kind of high temperature resistance glass fiber reinforced plastic PA66 water chamber material and preparation method thereof |
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| CN101343410A (en) * | 2007-07-12 | 2009-01-14 | 上海化工研究院 | Halogen-free flame-proof reinforced polyamide composition |
| CN102108208A (en) * | 2009-12-29 | 2011-06-29 | 合肥杰事杰新材料有限公司 | High-strength flame-retardant polyamide composite material and preparation method |
| CN102924916A (en) * | 2012-11-01 | 2013-02-13 | 江门市道生工程塑料有限公司 | PA/PETG (polyamide/polyethylene terephthalate glycol) composite material and preparation method thereof |
| US8604120B2 (en) * | 2010-07-30 | 2013-12-10 | Ems-Patent Ag | Polyamide moulding compound for producing moulded articles with a soft-touch surface and also corresponding moulded articles |
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2014
- 2014-06-12 CN CN201410261626.8A patent/CN104072986A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101343410A (en) * | 2007-07-12 | 2009-01-14 | 上海化工研究院 | Halogen-free flame-proof reinforced polyamide composition |
| CN102108208A (en) * | 2009-12-29 | 2011-06-29 | 合肥杰事杰新材料有限公司 | High-strength flame-retardant polyamide composite material and preparation method |
| US8604120B2 (en) * | 2010-07-30 | 2013-12-10 | Ems-Patent Ag | Polyamide moulding compound for producing moulded articles with a soft-touch surface and also corresponding moulded articles |
| CN102924916A (en) * | 2012-11-01 | 2013-02-13 | 江门市道生工程塑料有限公司 | PA/PETG (polyamide/polyethylene terephthalate glycol) composite material and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109135274A (en) * | 2018-07-27 | 2019-01-04 | 广东顺德顺炎新材料股份有限公司 | A kind of high temperature resistance glass fiber reinforced plastic PA66 water chamber material and preparation method thereof |
| CN109135274B (en) * | 2018-07-27 | 2021-03-16 | 广东顺德顺炎新材料股份有限公司 | High-temperature-resistant glass fiber reinforced PA66 water chamber material and preparation method thereof |
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