CN106883604A - Automobile modified heat resistant oxygen aging nylon and its preparation technology - Google Patents
Automobile modified heat resistant oxygen aging nylon and its preparation technology Download PDFInfo
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- CN106883604A CN106883604A CN201710225875.5A CN201710225875A CN106883604A CN 106883604 A CN106883604 A CN 106883604A CN 201710225875 A CN201710225875 A CN 201710225875A CN 106883604 A CN106883604 A CN 106883604A
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/004—Additives being defined by their length
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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
- C08L2205/03—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
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- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Reinforced Plastic Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention relates to plastic cement field of new, specifically related to a kind of automobile modified heat resistant oxygen aging nylon and its preparation technology, automobile modified heat resistant oxygen aging nylon, component including following parts by weight, 50 60 parts of nylon66 fiber, 30 40 parts of long glass fibres, 0.5 2 parts of toughener, 25 parts of compatilizer, 13 parts of primary antioxidant, 0.5 1.5 parts of auxiliary anti-oxidant, 0.5 2 parts of heat stabilizer, 14 parts of coupling agent.Automobile modified heat resistant oxygen aging nylon of the invention has the advantages that oxidation and heat resistant property is good, ageing-resistant performance is good, good impact resistance, long service life.
Description
Technical field
The present invention relates to plastic cement field of new, more particularly to automobile is with modified heat resistant oxygen aging nylon and its prepares work
Skill.
Background technology
Nylon is the thermoplastic resin general name containing recurring amide radical group on molecular backbone, and its name is specific by synthon
Carbon number depending on, it has superior mechanical strength, rigidity, toughness, mechanical shock absorption and wearability, at present gradually generation
It is widely used in auto parts and components for metal and thermosets, such as automobile radiators case.
Automobile radiators are the structures for specializing in engine radiating, by intake chamber, water-supplying chamber and radiator core, radiator case etc.
Part is constituted.Coolant flows in radiator core, and air passes through outside radiator.The coolant of heat is due to air radiating
Turn cold, cold air then heats up because the heat that sheds of coolant is absorbed.After engine radiating, cause radiator case temperature high,
This heat-resisting oxygen to radiator case, ageing resistace propose requirement very high.On the other hand, because automobile is to miniaturization, light
Quantify development, automobile radiators overall structure is also different to be reduced, and temperature is raised and become apparent from, it is desirable to which radiator case is more resistant to high temperature.The
Three aspects, automobile radiators case need to have preferable mechanical performance and stronger impact resistance as a kind of protection structure.But
Nylon66 fiber being used the radiator case of prior art, although it has fatigue strength and rigidity higher, preferably, friction is heat resistance more
The advantages of counting low, wearability is good, but when it is used for auto parts and components, its heat resistance, ageing resistance, mechanical strength and shock resistance
Performance still needs to further lifting, to extend the service life of auto parts and components.
The content of the invention
To solve the above problems, the present invention provides that a kind of oxidation and heat resistant property is good, ageing-resistant performance is good, good impact resistance, make
With automobile modified heat resistant oxygen aging nylon and its preparation technology of long lifespan.
The technical solution adopted in the present invention is：Automobile modified heat resistant oxygen aging nylon, including following parts by weight
Component, nylon66 fiber 50-60 parts, long glass fibres 30-40 parts, toughener 0.5-2 parts, compatilizer 2-5 parts, primary antioxidant 1-3 parts,
Auxiliary anti-oxidant 0.5-1.5 parts, heat stabilizer 0.5-2 parts, coupling agent 1-4 parts.
To being further improved to for above-mentioned technical proposal, the length of the long glass fibres is 0.2mm-0.8mm；The Buddhist nun
Imperial 66 viscosity are 2.4-2.8.
To being further improved to for above-mentioned technical proposal, the coupling agent is amino silicane coupling agent that concentration is 5%；Institute
State toughener be the POE of modified by maleic acid anhydride graft, SBS,
One or more in styrene-ethylene-butylene-styrene block copolymer or ethylene acrylic acid co polymer；The compatilizer
It is styrene and the copolymer of maleic anhydride；The primary antioxidant is the one kind in fortified phenol, aromatic amine and hindered amine
Or it is various, the auxiliary anti-oxidant is phosphite ester, and heat stabilizer is cuprous iodide.
To being further improved to for above-mentioned technical proposal, including following parts by weight component, 60 parts of nylon66 fiber, glass long
30 parts of fiber, 1 part of toughener, 3 parts of compatilizer, 2 parts of primary antioxidant, 1.5 parts of auxiliary anti-oxidant, 0.5 part of heat stabilizer, coupling agent 2
Part.
To being further improved to for above-mentioned technical proposal, including following parts by weight component, 54 parts of nylon66 fiber, glass long
35 parts of fiber, 1 part of toughener, 3.5 parts of compatilizer, 2 parts of primary antioxidant, 1.5 parts of auxiliary anti-oxidant, 0.5 part of heat stabilizer, coupling agent
2.5 parts.
To being further improved to for above-mentioned technical proposal, including following parts by weight component, 48 parts of nylon66 fiber, glass long
40 parts of fiber, 1 part of toughener, 4 parts of compatilizer, 2 parts of primary antioxidant, 1.5 parts of auxiliary anti-oxidant, 0.5 part of heat stabilizer, coupling agent 3
Part.
The automobile preparation technology of modified heat resistant oxygen aging nylon, comprises the following steps, and a. prepares long glass fibres；B, general
Long glass fibres concentration in step a is 5% amino silicane coupling agent treatment；C, length the step of weigh formula ratio in b
Glass fibre, and PA66, toughener, compatilizer, primary antioxidant, auxiliary anti-oxidant, heat stabilizer, are well mixed；D. by step c
Each component import screw extruder in extrude obtaining material strip；E. water-cooled is carried out to material strip, treatment is air-dried；F. step e is taken
The material strip of middle cool drying carries out pelletizing.
To being further improved to for above-mentioned technical proposal, in step d, screw extruder extrusion temperature is 225 DEG C~250
DEG C, screw speed is 160r/m-180r/m, and the pulling speed of long glass fibres is 5mm/s~35mm/s.
Beneficial effects of the present invention are：
1st, on the one hand, automobile of the invention modified heat resistant oxygen aging nylon, containing long glass fibres, long glass fibres is
A kind of Inorganic Non-metallic Materials of excellent performance, with good insulating, heat resistance be strong, corrosion resistance is good, it is excellent that mechanical strength is high etc.
Point, is modified so that PA66 matrixes with the addition of the skeleton for bearing load, to nylon by long glass fibres so as to improve
The intensity of PA66, rigidity and heat distortion temperature, can be obviously improved the heat oxygen aging resistance ability and mechanical strength of nylon, when this warp
After modified nylon is made auto parts machinery, the service life of product can be extended.Second aspect, when being modified to nylon, choosing
It is long glass fibres, rather than short glass fiber, because long glass fibres length is more long, the fiber after crushing is with certain
Length is scattered in matrix resin, can significantly improve the mechanical performance of nylon, and relative to short glass fiber, its enhancing effect is brighter
It is aobvious, be further conducive to being lifted the heat oxygen aging resistance ability and mechanical strength of nylon, extend the service life of modification of nylon.3rd
Aspect, contains toughener in formula of the invention, increase adhesive film layer pliability, improve modification of nylon ability of anti-deformation and
Resistance to ag(e)ing.Fourth aspect, containing primary antioxidant and auxiliary anti-oxidant, can be obviously improved the oxidation resistance of modification of nylon.5th
Aspect, containing heat stabilizer, can lift the heat-resisting oxygen ability of modification of nylon.6th aspect, when being modified to nylon, glass long
The addition of glass fiber is 30%-40%, because the mechanical property of the glass fiber reinforced PA66 in allowed band is added with roving glass fiber
The increase of amount and improve, while after roving glass fiber is added, can decline PA66 processing fluidities, moulding process is poor, when glass fibers long
When the addition of dimension is more than 50%, the resin bed between glass and glass is thinning, and effect stress on the composite is easy to lead to
Cross resin bed and transmitted in glass, cause fiberglass reinforced decreased effectiveness, therefore, in the present invention, the addition of long glass fibres
It is 30%-40%, preferably 40%, now enhancing effect is best, is further conducive to being lifted the heat oxygen aging resistance ability of nylon
And mechanical strength, extend the service life of modification of nylon.
2nd, the length of long glass fibres is 0.2mm-0.8mm, and more excellent is 0.6mm, long if this is because Length of Glass Fiber is long
Glass can reunite together, formed when manufacturing and be difficult scattered fibre bundle, have side effect to the enhancing of modification of nylon.
In the present invention, on the one hand the selection of long glass fibres will not form and be difficult scattered fibre bundle, second aspect, the increasing to nylon
Potent fruit is good, is further conducive to being lifted the heat oxygen aging resistance ability and mechanical strength of nylon, extends the use longevity of modification of nylon
Life.
3rd, nylon66 fiber viscosity is 2.4~2.8, preferably 2.6, and select is low viscous nylon66 fiber in the present invention, can be with
Long glass fibres stable bond, the problems such as prevent glass emergence on the surface, Product Volume from sticking up, is further conducive to the heat-resisting oxygen for lifting nylon old
Change ability and mechanical strength, extend the service life of modification of nylon.
4th, coupling agent is the amino silicane coupling agent that concentration is 5%, and because long glass fibres modulus is higher, PA66 is glass long
Glass fiber bears load as an entirety after being bonded together, and the interfacial adhesion strength of such as long glass fibres and PA66 is not high,
Then the intensity enhancing of composite is not obvious, therefore, coupling agent is added in the present invention, long glass fibres is improved by coupling agent
Adhesive strength and PA66 between, is conducive to improving the overall tensile strength of composite, specifically, the introducing of silane coupler
Effectively connect nonpolar inorfil and the PA66 matrixes with polar group so that by changing between long glass fibres and PA66
Learn bond to be combined, so as to increase substantially the mechanical property of composite.Wherein KH550 improves to the interface of composite
Effect preferably, 17.46% He has been respectively increased when making the tensile strength of composite and impact strength than not adding coupling agent
30.52%.After coupling agent is added, a uniform coupling agent coating can be formed on long glass fibres surface, if the concentration of coupling agent
Too low, coupling agent coating cannot be completely covered long glass fibres surface, long glass fibres in the presence of coupling agent completely with
PA66 is combined, and composite machinery intensity is needed to be further improved, if coupling agent concentrations are too low, now long glass fibres surface shape
Into blocked up coupling agent layer, because coupling agent molecule inter-layer bonding force is not strong, interlayer shear is also easy to produce under external force
De- glutinous phenomenon, causes the hydraulic performance decline of composite, only when coupling agent concentrations are 5%, now, long glass fibres surface shape
Into uniform monolayer, now long glass fibres is best with the associativity of PA66, and the mechanical strength of composite is optimal.
5th, toughener is POE, the s-B-S three block of modified by maleic acid anhydride graft
One or more in copolymer, styrene-ethylene-butylene-styrene block copolymer or ethylene acrylic acid co polymer.Relatively
In other toughener, the toughener that the present invention is selected has excellent heatproof, ageing-resistant performance, simple easy processing, without vulcanization
Can be used, asepsis environment-protecting, while having good mobility, can improve the dispersion effect of long glass fibres, can significantly carry
Composite material toughness high, further improves every mechanical performance of composite.
6th, compatilizer is the copolymer of styrene and maleic anhydride, and compatilizer can react with the polar group in PA66, carry
The adhesive strength of PA66 high and long glass fibres, is further conducive to improving bending strength, tensile strength and the punching of composite
Hit intensity.
7th, primary antioxidant is one or more in fortified phenol, aromatic amine and hindered amine, and the auxiliary anti-oxidant is
Phosphite ester.It is, due to the influence of heat, to trigger series of chemical because nylon is aging, becomes material molecule structure
Change, molecular weight and molecular weight, the mechanism of nylon oxidation reaction is, chain initiation-chain growth-chain branching-chain termination.Used in nylon products
During, due to the effect of mechanical stress and heat, carbon-hydrogen or carbon-carbon bond homolysis can form macromolecular alkyl diradical, macromolecule
Direct effect with oxygen also results in free radical.But, regardless of chain initiating stage, as long as oxygen is present, formed
Free radical will react to form hydroperoxides with oxygen, and hydroperoxides have autocatalysis to oxidation reaction, carry out automatic
Oxidation.Therefore, to improve the ageing resistace of nylon, it is necessary in time remove nylon ageing process in formed various free radicals and
Hydroperoxides, so as to prevent the carrying out of polymer Auto-oxidation reaction.Contain primary antioxidant and auxiliary anti-oxidant in the present invention, lead to
The synergy of main anti-oxidant and auxiliary anti-oxidant is crossed, prevents nylon chain initiation-chain growth-chain branching-chain termination etc. a series of
Oxidation reaction is normally carried out.In the present invention, primary antioxidant is the one kind or many in fortified phenol, aromatic amine and hindered amine
Kind, primary antioxidant is to act on the free radical centered on oxygen atom, terminates proceeding for chain termination reaction, so as to prevent certainly
By the generation of base and hydroperoxides；Auxiliary anti-oxidant is preventative antioxidant, and its function is hydroperoxide decomposition without generation
Free radical, prevents the carrying out of chain branching reaction, so as to prevent being smoothed out for nylon oxidation reaction.
8th, the automobile preparation technology of modified heat resistant oxygen aging nylon, has carried out hydrochloric Acid Modification to long glass fibres in advance,
Then coupling agent coating is formed on modified long glass fibres surface, by hydrochloric Acid Modification, the roughness of fiber surface can be increased, from
And the physical bond power of long glass fibres and PA66 is improved, and improve composite material interface, further improve the mechanics of composite
Performance, by prior coated with coupling agent coating, can increase the interface binding power of long glass fibres and PA66, further improve compound
The mechanical property of material.
9th, in preparation process, screw extruder extrusion temperature is 225 DEG C~250 DEG C, to ensure being sufficiently mixed for each component,
The composite uniformity of preparation is good；The pulling speed of modified long glass fibres is 5mm/s~35mm/s, and the pulling speed can be protected
Card long glass fibres is uniform with dipping material dipping, further improves the uniformity of composite；Screw speed is 160r/m-
180r/m, if rotating speed is excessive, can cause shearing force suffered by composite big, and long glass fibres is twisted disconnected, and average fiber length subtracts
Small, tensile strength reduction, if rotating speed is too small, can cause each component in composite uniformly to mix, and cause the material for obtaining
Bar is uneven, when rotating speed is 170r/m, the composite tensile strength highest for obtaining.
Specific embodiment
Below in conjunction with embodiment, the present invention is further illustrated.
Specific embodiment 1：
Automobile modified heat resistant oxygen aging nylon, including following parts by weight component, 60 parts of nylon66 fiber, long glass fibres
30 parts, 1 part of toughener, 3 parts of compatilizer, 2 parts of primary antioxidant, 1.5 parts of auxiliary anti-oxidant, 0.5 part of heat stabilizer, 2 parts of coupling agent.
Specific embodiment 2：
Automobile modified heat resistant oxygen aging nylon, including following parts by weight component, 54 parts of nylon66 fiber, long glass fibres
35 parts, 1 part of toughener, 3.5 parts of compatilizer, 2 parts of primary antioxidant, 1.5 parts of auxiliary anti-oxidant, 0.5 part of heat stabilizer, coupling agent 2.5
Part.
Specific embodiment 3：
Automobile modified heat resistant oxygen aging nylon, including following parts by weight component, 48 parts of nylon66 fiber, long glass fibres
40 parts, 1 part of toughener, 4 parts of compatilizer, 2 parts of primary antioxidant, 1.5 parts of auxiliary anti-oxidant, 0.5 part of heat stabilizer, 3 parts of coupling agent.
Control group：
High intensity PA66 composites, including following parts by weight component, 92 parts of nylon66 fiber, 2 parts of toughener, main antioxygen
3 parts of agent, 2 parts of auxiliary anti-oxidant, 1 part of heat stabilizer.
In the various embodiments described above, the length of long glass fibres is 0.6mm；Nylon66 fiber viscosity is 2.6；Coupling agent is for concentration
5% amino silicane coupling agent；Toughener is POE, the styrene-butadiene-benzene of modified by maleic acid anhydride graft
The mixture of ethene triblock copolymer, styrene-ethylene-butylene-styrene block copolymer or ethylene acrylic acid co polymer；
Compatilizer is the copolymer of styrene and maleic anhydride；Primary antioxidant is fortified phenol；Auxiliary anti-oxidant is phosphite ester；It is thermally-stabilised
Agent is cuprous iodide.
In the various embodiments described above, the automobile preparation technology of modified heat resistant oxygen aging nylon is comprised the following steps, prepared by a.
Long glass fibres；B, by the treatment of amino silicane coupling agent that the long glass fibres concentration in step a is 5%；C, weigh formula
Long glass fibres in the step of amount b, and PA66, toughener, compatilizer, primary antioxidant, auxiliary anti-oxidant, heat stabilizer, mixing
Uniformly；D. each component in step c is imported extrude obtaining material strip in screw extruder；E. water-cooled, wind are carried out to material strip
Dry-cure；F. the material strip for taking cool drying in step e carries out pelletizing.
In step d, screw extruder extrusion temperature is 240 DEG C, and screw speed is 170r/m, the traction speed of long glass fibres
Rate is 20mm/s.
Using each specific embodiment and the material of control group, it is made same thickness, formed objects, the tabular of same nature and produces
Product, under identical environmental condition, using identical measuring instrument and measuring method, measure the physical property of each group material, survey
Amount the results are shown in Table 1.
As seen from Table 1, (1) is relative to control group, the machinery of specific embodiment 1, specific embodiment 2 and specific embodiment 3
Performance and thermo oxidative aging ability are all stronger.(2) mechanical performance of specific embodiment 1, specific embodiment 2 and specific embodiment 3
Strengthen successively with thermo oxidative aging ability.
On the one hand, in composite of the invention, after adding long glass fibres to be modified nylon, it can be obviously improved
Mechanical performance and thermo oxidative aging ability；And after can be obviously improved the physics such as bending strength, tensile strength, the impact strength of material
Property, while reducing the coefficient of friction and wear rate of material, the mechanical performance of overall lifting composite improves its wearability,
And long glass fibres is closely bound up with long glass fibres content to the humidification of nylon, when long glass fibres content is 40%
When, its enhancing effect is best.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Shield scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (8)
1. automobile modified heat resistant oxygen aging nylon, it is characterised in that：Component including following parts by weight, nylon66 fiber 50-60
Part, long glass fibres 30-40 parts, toughener 0.5-2 parts, compatilizer 2-5 parts, primary antioxidant 1-3 parts, auxiliary anti-oxidant 0.5-1.5
Part, heat stabilizer 0.5-2 parts, coupling agent 1-4 parts.
2. automobile according to claim 1 modified heat resistant oxygen aging nylon, it is characterised in that：The long glass fibres
Length is 0.2mm-0.8mm；The nylon66 fiber viscosity is 2.4-2.8.
3. automobile according to claim 2 modified heat resistant oxygen aging nylon, it is characterised in that：The coupling agent is concentration
It is 5% amino silicane coupling agent；The toughener is POE, the styrene-fourth of modified by maleic acid anhydride graft
In styrene triblock copolymer, styrene-ethylene-butylene-styrene block copolymer or ethylene acrylic acid co polymer
One or more；The compatilizer is the copolymer of styrene and maleic anhydride；The primary antioxidant is fortified phenol, fragrance
One or more in race's secondary amine and hindered amine, the auxiliary anti-oxidant is phosphite ester, and heat stabilizer is cuprous iodide.
4. automobile according to claim 3 modified heat resistant oxygen aging nylon, it is characterised in that：Including following parts by weight
Component, 60 parts of nylon66 fiber, 30 parts of long glass fibres, 1 part of toughener, 3 parts of compatilizer, 2 parts of primary antioxidant, auxiliary anti-oxidant 1.5
Part, 0.5 part of heat stabilizer, 2 parts of coupling agent.
5. automobile according to claim 3 modified heat resistant oxygen aging nylon, it is characterised in that：Including following parts by weight
Component, 54 parts of nylon66 fiber, 35 parts of long glass fibres, 1 part of toughener, 3.5 parts of compatilizer, 2 parts of primary antioxidant, auxiliary anti-oxidant
1.5 parts, 0.5 part of heat stabilizer, 2.5 parts of coupling agent.
6. automobile according to claim 3 modified heat resistant oxygen aging nylon, it is characterised in that：Including following parts by weight
Component, 48 parts of nylon66 fiber, 40 parts of long glass fibres, 1 part of toughener, 4 parts of compatilizer, 2 parts of primary antioxidant, auxiliary anti-oxidant 1.5
Part, 0.5 part of heat stabilizer, 3 parts of coupling agent.
7. the automobile preparation technology of modified heat resistant oxygen aging nylon, it is characterised in that：Comprise the following steps, a. prepares glass long
Fiber；B, by the treatment of amino silicane coupling agent that the long glass fibres concentration in step a is 5%；C, the step for weighing formula ratio
Long glass fibres in rapid b, and PA66, toughener, compatilizer, primary antioxidant, auxiliary anti-oxidant, heat stabilizer, are well mixed；d.
Each component in step c is imported extrude obtaining material strip in screw extruder；E. water-cooled is carried out to material strip, treatment is air-dried；
F. the material strip for taking cool drying in step e carries out pelletizing.
8. the automobile according to claim 7 preparation technology of modified heat resistant oxygen aging nylon, it is characterised in that：Step d
In, screw extruder extrusion temperature is 225 DEG C -250 DEG C, and screw speed is 160r/m-180r/m, the traction speed of long glass fibres
Rate is 5mm/s-35mm/s.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710225875.5A CN106883604A (en) | 2017-04-07 | 2017-04-07 | Automobile modified heat resistant oxygen aging nylon and its preparation technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710225875.5A CN106883604A (en) | 2017-04-07 | 2017-04-07 | Automobile modified heat resistant oxygen aging nylon and its preparation technology |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1944534A (en) * | 2006-10-30 | 2007-04-11 | 东北林业大学 | Glass fibre reingorced no-halogen flame-retardant nylon 66 and its preparing method |
| CN103849141A (en) * | 2012-12-06 | 2014-06-11 | 上海杰事杰新材料(集团)股份有限公司 | Long glassfiber reinforced nylon composite material and preparation method thereof |
| CN105295363A (en) * | 2015-11-30 | 2016-02-03 | 佛山市高明区明城镇新能源新材料产业技术创新中心 | Alcoholysis-tolerant nylon composite for automobile and processing method for alcoholysis-tolerant nylon composite |
-
2017
- 2017-04-07 CN CN201710225875.5A patent/CN106883604A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1944534A (en) * | 2006-10-30 | 2007-04-11 | 东北林业大学 | Glass fibre reingorced no-halogen flame-retardant nylon 66 and its preparing method |
| CN103849141A (en) * | 2012-12-06 | 2014-06-11 | 上海杰事杰新材料(集团)股份有限公司 | Long glassfiber reinforced nylon composite material and preparation method thereof |
| CN105295363A (en) * | 2015-11-30 | 2016-02-03 | 佛山市高明区明城镇新能源新材料产业技术创新中心 | Alcoholysis-tolerant nylon composite for automobile and processing method for alcoholysis-tolerant nylon composite |
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Application publication date: 20170623 |