CN107501928A - Hydrolysis nylon material and preparation method thereof - Google Patents
Hydrolysis nylon material and preparation method thereof Download PDFInfo
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- CN107501928A CN107501928A CN201710830811.8A CN201710830811A CN107501928A CN 107501928 A CN107501928 A CN 107501928A CN 201710830811 A CN201710830811 A CN 201710830811A CN 107501928 A CN107501928 A CN 107501928A
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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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 a kind of hydrolysis nylon material, and by weight, it is at least prepared by following raw material：29~31 parts of 54~59 parts of 56 resin of nylon, 0.2~0.5 part of coupling agent, 3~5 parts of toughener, 0.2~0.5 part of hydrolysis-resisting agent, 0.2~0.5 part of lubricant, 0.1~0.3 part of releasing agent, antioxidant 0.3~0.5 and glass fibre.The invention further relates to the preparation method of above-mentioned nylon material, and it includes：The mixture of the resin of nylon 56, toughener, coupling agent, hydrolysis-resisting agent, antioxidant, releasing agent, lubricant and glass fibre is extruded by double screw extruder.Pass through the scientific compatibility of various composition, compounded with the resin of nylon 56, so as to obtain that there is the nylon material of high stiffness, high tenacity and good anti-hydrolytic performance, there is good application prospect and commercial value in fields such as the household electrical appliances such as automobile water chamber, tableware, kitchen tools, auto parts and components.
Description
Technical field
The present invention relates to nylon material processing technique field, in particular to a kind of hydrolysis nylon material and its system
Preparation Method.
Background technology
Fypro is commonly called as nylon (Nylon), English name Polyamide (abbreviation PA), is contained on molecular backbone
Recurring amide radical group-[NHCO]-thermoplastic resin general name.Nylon is as maximum most important kind, tool in engineering plastics
Have very strong vitality, essentially consist in it is modified realize high performance, next to that automobile, electrical equipment, communication, electronics, machinery etc.
Industry itself is high performance to product to require more and more stronger, the rapid development of related industry, promotes engineering plastics high-performance
The process of change, the development trend of modification of nylon are also increasing.Existing nylon lacks applied to automobile water chamber, tableware, kitchen tools
Deng household electrical appliances, auto parts and components product and the nylon fitment material required with high rigidity hydrolysis.
The content of the invention
First purpose of the present invention is to provide a kind of hydrolysis nylon material, to cause it to have high stiffness, height
Toughness and good anti-hydrolytic performance.
Second object of the present invention is the preparation method for providing above-mentioned hydrolysis nylon material, to pass through simple work
Skill produces the nylon material with high rigidity, high tenacity and good anti-hydrolytic performance.
The present invention is solved its technical problem and realized using following technical scheme.
The present invention relates to a kind of hydrolysis nylon material, and by weight, it is at least prepared by following raw material：Nylon
56 54~59 parts of resins, 0.2~0.5 part of coupling agent, 3~5 parts of toughener, 0.2~0.5 part of hydrolysis-resisting agent, lubricant 0.2~
29~31 parts of 0.5 part, 0.1~0.3 part of releasing agent, antioxidant 0.3~0.5 and glass fibre.
The invention further relates to the preparation method of above-mentioned hydrolysis nylon material, it includes：By the resin of nylon 56, toughener,
Coupling agent, hydrolysis-resisting agent, antioxidant, releasing agent, the mixture of lubricant and glass fibre are extruded by double screw extruder.
By the scientific compatibility of various composition, compounded with the resin of nylon 56, its performance is improved, so as to
To the nylon material with high stiffness, high tenacity and good anti-hydrolytic performance, in families such as automobile water chamber, tableware, kitchen tools
The fields such as electricity, auto parts and components have good application prospect and commercial value.
Embodiment
, below will be to embodiment party of the present invention to make the purpose, technical scheme and advantage of embodiment of the present invention clearer
Technical scheme in formula is clearly and completely described.Unreceipted actual conditions person in embodiment or embodiment, according to routine
The condition that condition or manufacturer suggest is carried out.Agents useful for same or the unreceipted production firm person of instrument, being can be by commercially available purchase
Buy the conventional products of acquisition.
Hydrolysis nylon material of embodiment of the present invention and preparation method thereof is specifically described below.
A kind of hydrolysis nylon material that some embodiments of the present invention provide, by weight, it is at least by following
Raw material is prepared：54~59 parts of 56 resin of nylon, 0.2~0.5 part of coupling agent, 3~5 parts of toughener, hydrolysis-resisting agent 0.2~
29~31 parts of 0.5 part, 0.2~0.5 part of lubricant, 0.1~0.3 part of releasing agent, antioxidant 0.3~0.5 and glass fibre.
A kind of hydrolysis nylon material that some embodiments of the present invention provide, by weight, it is at least by following
Raw material is prepared：56~58 parts of 56 resin of nylon, 0.2~0.4 part of coupling agent, 3~4 parts of toughener, hydrolysis-resisting agent 0.2~
29~30 parts of 0.4 part, 0.2~0.4 part of lubricant, 0.1~0.2 part of releasing agent, antioxidant 0.3~0.4 and glass fibre.
The resin of nylon 56 (i.e. PA56) has a superior combination property, including with antistatic force, resistant to lodging, it is low temperature resistant,
The advantages that high suppleness.These characteristics, along with good electrical isolation capabilities and chemical resistance, the resin of nylon 56 is set to turn into one kind
" general purpose grade " material.
According to some embodiments, the viscosity of the resin of nylon 56 is 2~3, preferably 2.5~2.9, more preferably 2.5~2.7.
The resin of nylon 56 of above-mentioned viscosity can carry out adhesion preferably between other components and be combined, and then cause the Buddhist nun ultimately formed
The performance of imperial material is more preferable.
Coupling agent can improve the resin of nylon 56 and glass fibre and the interface performance of toughener in compounding.Its
The viscosity of the resin melt of nylon 56 can be reduced, improves the decentralization of glass fibre and toughener to improve processing characteristics, and then
Product is set to obtain good surface quality and machinery and hot property.
According to some embodiments, coupling agent includes at least one of alkyl coupling agent and titanate esters, for example, coupling agent
Can be alkyl coupling agent or titanate esters or alkyl coupling agent and the mixture of titanate esters.
According to some embodiments, coupling agent is alkyl coupling agent, it is highly preferred that coupling agent is alkyl coupling agent KH550.
When coupling agent selects alkyl coupling agent KH550, preferably can be directed between the resin of nylon 56 and glass fibre and toughener
Mixing adhesion so that the tensile strength and anti-hydrolytic performance of the nylon material of formation reach optimal.
Hydrolysis-resisting agent can improve the anti-hydrolytic performance of nylon material so that it does not allow facile hydrolysis.According to some embodiment party
Formula, hydrolysis-resisting agent can be carbodiimides.Carbodiimides molecular weight is larger, has difficult volatilization, is not easy extraction and small toxicity
The advantages of, the hydrolytic Resistance for improving nylon material can be functioned well as.
Toughener can strengthen the pliability of the resin of nylon 56.According to some embodiments, toughener includes poly-
Vinyl formal, polyvinyl butyral resin, end mercapto nitrile rubber, polyurethane rubber and maleic anhydride grafted ethene octene
At least one of copolymer.For example, toughener can be polyvinyl formal, polyvinyl butyral resin, end mercapto fourth
Nitrile rubber, polyurethane rubber or maleic anhydride grafted ethene octene copolymer or two of which or three kinds or four kinds
Mixture.Preferably, toughener is maleic anhydride grafted ethene octene copolymer.Maleic anhydride grafted ethene octene copolymer is
Maleic anhydride is grafted to a kind of polymer formed on POE so that it can be total to the resin of nylon 56
While mixed modification, it may have good compatibility so that the toughness of the hydrolysis nylon material of formation is more preferable.
Lubricant enables to the frictional resistance can between Multiple components with very little, and then compatible is well processing
It is more convenient during shaping.According to some embodiments, lubricant includes silicone oil, lauric acid diethyl amide, myristoyl amino
Propyl-dimethyl tertiary amine, lauramido dimethyl tertiary amine, oleoyl dimethyl tertiary amine and N, N '-ethylene pair is firmly
At least one of acyl amine.For example, lubricant can be silicone oil, lauric acid diethyl amide, myristoyl aminopropyl two
Methyl tertiary amine, lauramido dimethyl tertiary amine, oleoyl dimethyl tertiary amine or N, N '-ethylene stearic bicine diester
Amine or two of which or three kinds or four kinds of any combination.
According to some embodiments, lubricant is selected from lauric acid diethyl amide, myristoyl dimethyl uncle
Amine, lauramido dimethyl tertiary amine, oleoyl dimethyl tertiary amine and N, N ' in-ethylene bis stearamide one
Kind, it is highly preferred that lubricant is N, N '-ethylene bis stearamide.N, N ' molecular formula of-ethylene bis stearamide is C38H76N2O2
With good inside and outside lubrication, greasy property is excellent, and anticalcium salt ability is strong, and drag-reduction effect is good.From its conduct
Lubricant can reach best lubricant effect.
Releasing agent is a kind of functional materials between mould and finished product.Releasing agent is chemically resistant, with difference
It is not dissolved during chemical analysis (particularly styrene and amine) contact of resin.Releasing agent also has heat-resisting and stress performance,
It is not easily decomposed or wears；Releasing agent is adhered on mould and is not transfer on processed product, without prejudice to spray painting or other two
Secondary process operation.According to some embodiments, releasing agent is included in Tissuemat E, polyethylene glycol, talcum powder and mica powder extremely
Few one kind.For example, releasing agent can be Tissuemat E, polyethylene glycol, talcum powder or mica powder, or two of which, three kinds or four
The combination of kind.Preferably, releasing agent is Tissuemat E.Tissuemat E (PE waxes), also known as macromolecule wax abbreviation Tissuemat E.Because of it
Excellent cold resistance, heat resistance, chemical resistance and wearability and be widely used.It can be in the resistance to of enhancing nylon material
In the case of grinding performance, the gloss and processing characteristics of product can be increased.
Antioxidant is a kind of chemical substance, in the presence of it is only a small amount of in polymeric system, so that it may delay or suppresses to gather
The progress of compound oxidizing process, so as to prevent the aging of polymer and extend its service life.Selected in embodiments of the present invention
A kind of component of the antioxidant as nylon material is selected, can be with so as to long-term use of, it is not easy to be oxidized.According to some realities
Mode is applied, antioxidant includes at least one of antioxidant 1098 and irgasfos 168.For example, antioxidant be antioxidant 1098 or
Irgasfos 168, or combination.Preferably, antioxidant includes antioxidant 1098 and irgasfos 168, it is highly preferred that antioxidant
1098 and irgasfos 168 mass ratio be 1~3：1.
Glass fibre is a kind of inorganic non-metallic material of excellent performance, and species is various, and advantage is good insulating, heat resistance
By force, corrosion resistance is good, high mechanical strength, while there is good hydrolytic Resistance can be cooperateed with hydrolysis-resisting agent to nylon material for it
The hydrolytic Resistance of material is improved.According to some embodiments, glass fibre can be Mount Taishan glass, further preferred Mount Taishan
The filament diameter of glass is 13~14 μm.Mount Taishan glass can select the Mount Taishan TCR735-2000-13.5 of the resistant to hydrolysis glass trade mark
And the Mount Taishan ECR200-13.5-T635B of common designations.
Pass through the resin of nylon 56, coupling agent, toughener, hydrolysis-resisting agent, lubricant, releasing agent, antioxidant and glass fibers
The scientific compatibility between cooperation and various components between dimension, enabling fully the resin of nylon 56 is blended
It is modified, form the nylon material with high stiffness, high tenacity and good anti-hydrolytic performance.
The preparation method of above-mentioned hydrolysis nylon material is additionally provided according to certain embodiments of the present invention, and it includes：
The resin of nylon 56, toughener, coupling agent, hydrolysis-resisting agent, antioxidant, releasing agent, the lubricant that will have been matched according to aforementioned proportion
And the mixture of glass fibre is extruded by double screw extruder.
The mixture of above-mentioned various raw materials can be heated during helical feed by double screw extruder
After melting, plasticizing mixes, and at a heated temperature, blending and modifying is carried out between various raw materials, and then formed most
Whole hydrolysis nylon material.
The preparation method for the above-mentioned hydrolysis nylon material that some embodiments of the present invention provide is first by the tree of nylon 56
Fat, toughener and coupling agent mix 1~2min in blender, then with hydrolysis-resisting agent, antioxidant, releasing agent, lubricant and
Glass fibre mixes 2~4min, then mixture is passed through into double screw extruder, and adds glass in the bringing-up section of double screw extruder
Extruded after glass fiber, by can more uniformly be mixed between the various raw materials of the operation of segmentation mix, and then
Carry out that more preferable adhesion and reaction can be reached during blending and modifying in follow-up double screw extruder, and then the nylon material formed
The performance of material is more preferable.
According to some embodiments, extrusion temperature is 235~265 DEG C.Above-mentioned various raw materials can melt at such a temperature
Blending is sticked together to form stable structure.
Double screw extruder has a feeding chamber, and feeding chamber has a feed screw, respective hosts screw rod on double screw extruder
Nine bringing-up sections are divided into, each bringing-up section is provided with single heater, and the 6th bringing-up section has charging aperture.According to some
Embodiment, double screw extruder the first bringing-up section temperature be 245~255 DEG C, the second bringing-up section, the 3rd bringing-up section and
The temperature of 4th bringing-up section is 255~265 DEG C, and the temperature of the 5th bringing-up section, the 6th bringing-up section and the 7th bringing-up section is 245
~250 DEG C, the temperature of the 8th bringing-up section and the 9th bringing-up section is 240~250 DEG C, and the temperature of the head of double screw extruder is
255~260 DEG C.The setting of above-mentioned different heating section different temperatures causes, whole to heat in extrusion, can reach optimal
Plasticizing effect.Combination between various raw materials is even closer, and the tensile strength and anti-hydrolytic performance of the nylon material of formation are more
It is good.It is mainly to complete the stage of plasticizing in the second bringing-up section, the 3rd bringing-up section and the 4th bringing-up section, therefore temperature is relatively
Height, the 5th bringing-up section, the 6th bringing-up section and the 7th bringing-up section are the stages being kneaded, and therefore, temperature is with respect to plastic phase
Low spot is wanted, the 8th bringing-up section and the 9th bringing-up section are delivery phases, and therefore, temperature is relatively low.
According to some embodiments, engine speed is 300~500 revs/min, more preferably 350~450 revs/min, optimal
Select 380~420 revs/min.The rotating speed of feed screw is 20~30 revs/min.Select above-mentioned engine speed and feed screw
Rotating speed so that the reaction that various raw materials are carried out in double screw extruder can be carried out sufficiently, and then can be reached good
Plasticizing and melting effect so that the tensile strength and anti-hydrolytic performance of obtained hydrolysis nylon material reach maximization.
The feature and performance of the present invention are described in further detail with reference to embodiments.
Embodiment 1
A kind of hydrolysis nylon material that the present embodiment provides, by weight, it is prepared by following raw material：Nylon
56 54 parts of resins, 0.2 part of coupling agent, 3 parts of toughener, 0.2 part of hydrolysis-resisting agent, 0.2 part of lubricant, 0.1 part of releasing agent, antioxidant
0.3 and 29 parts of glass fibre.
Wherein, coupling agent is alkyl coupling agent KH550, and toughener is maleic anhydride grafted ethene octene copolymer, water resistant
Solution agent is carbodiimides, and lubricant N, N '-ethylene bis stearamide, releasing agent is Tissuemat E, and antioxidant is antioxidant
1098 and the mixture of irgasfos 168, the mass ratio of antioxidant 1098 and irgasfos 168 is 2：1, glass fibre is Mount Taishan glass
In Mount Taishan TCR735-2000-13.5, filament diameter be 13 μm.
The preparation method of above-mentioned hydrolysis nylon material, it includes：According to aforementioned proportion by the resin of nylon 56 matched,
After toughener, coupling agent, hydrolysis-resisting agent, antioxidant, releasing agent and lubricant carry out mixing 3min by mixer, it will obtain
Mixture be passed through double screw extruder, double screw extruder the 6th bringing-up section add glass fibre after extrude.
Wherein, double screw extruder the first bringing-up section temperature be 245 DEG C, the second bringing-up section, the 3rd bringing-up section and
The temperature of 4th bringing-up section is 255 DEG C, and the temperature of the 5th bringing-up section, the 6th bringing-up section and the 7th bringing-up section is 245 DEG C, the
The temperature of eight bringing-up sections and the 9th bringing-up section is 240 DEG C, and the temperature of the head of double screw extruder is 255 DEG C.
The engine speed of double screw extruder is 300 revs/min, and the rotating speed of feed screw is 20 revs/min.
Embodiment 2
A kind of hydrolysis nylon material that the present embodiment provides, by weight, it is prepared by following raw material：Nylon
56 59 parts of resins, 0.5 part of coupling agent, 5 parts of toughener, 0.5 part of hydrolysis-resisting agent, 0.5 part of lubricant, 0.3 part of releasing agent, antioxidant
0.5 and 31 parts of glass fibre.
Wherein, coupling agent is alkyl coupling agent KH550, and toughener is maleic anhydride grafted ethene octene copolymer, water resistant
Solution agent is carbodiimides, and lubricant N, N '-ethylene bis stearamide, releasing agent is Tissuemat E, and antioxidant is antioxidant
1098 and the mixture of irgasfos 168, the mass ratio of antioxidant 1098 and irgasfos 168 is 2：1, glass fibre is Mount Taishan glass
In Mount Taishan TCR735-2000-13.5, filament diameter be 14 μm.
The preparation method of above-mentioned hydrolysis nylon material is first by the resin of nylon 56, toughener and coupling agent in blender
Mix 1min, then with hydrolysis-resisting agent, antioxidant, releasing agent, mix lubricant 2min, obtained mixture is passed through twin-screw and squeezed
Go out machine, extruded after the 6th bringing-up section of double screw extruder adds glass fibre.
Wherein, double screw extruder the first bringing-up section temperature be 255 DEG C, the second bringing-up section, the 3rd bringing-up section and
The temperature of 4th bringing-up section is 265 DEG C, and the temperature of the 5th bringing-up section, the 6th bringing-up section and the 7th bringing-up section is 250 DEG C, the
The temperature of eight bringing-up sections and the 9th bringing-up section is 250 DEG C, and the temperature of the head of double screw extruder is 260 DEG C.
The engine speed of double screw extruder is 300 revs/min, and the rotating speed of feed screw is 30 revs/min.
Embodiment 3-4
With the difference is that only for embodiment 2, the engine speed of double screw extruder be followed successively by 400 revs/min, 500
Rev/min.
Embodiment 5
A kind of hydrolysis nylon material that the present embodiment provides, by weight, it is prepared by following raw material：Nylon
56 56 parts of resins, 0.4 part of coupling agent, 4 parts of toughener, 0.4 part of hydrolysis-resisting agent, 0.4 part of lubricant, 0.2 part of releasing agent, antioxidant
0.4 and 30 parts of glass fibre.
Wherein, coupling agent is alkyl coupling agent KH550, and toughener is maleic anhydride grafted ethene octene copolymer, water resistant
Solution agent is carbodiimides, and lubricant N, N '-ethylene bis stearamide, releasing agent is Tissuemat E, and antioxidant is antioxidant
1098 and the mixture of irgasfos 168, the mass ratio of antioxidant 1098 and irgasfos 168 is 3：1, glass fibre is Mount Taishan glass
In Mount Taishan TCR735-2000-13.5, filament diameter be 13.5 μm.
The preparation method of above-mentioned hydrolysis nylon material is first by the resin of nylon 56, toughener and coupling agent in blender
Mix 2min, then with hydrolysis-resisting agent, antioxidant, releasing agent, mix lubricant 4min, obtained mixture is passed through twin-screw and squeezed
Go out machine, extruded after the 6th bringing-up section of double screw extruder adds glass fibre.
Wherein, double screw extruder the first bringing-up section temperature be 250 DEG C, the second bringing-up section, the 3rd bringing-up section and
The temperature of 4th bringing-up section is 260 DEG C, and the 5th bringing-up section is 255 DEG C, the 6th bringing-up section is 250 DEG C, the temperature of the 7th bringing-up section
Degree is 245 DEG C, and the temperature of the 8th bringing-up section and the 9th bringing-up section is 245 DEG C, and the temperature of the head of double screw extruder is
258℃。
The engine speed of double screw extruder is 400 revs/min, and the rotating speed of feed screw is 25 revs/min.
Embodiment 6
A kind of hydrolysis nylon material that the present embodiment provides, by weight, it is prepared by following raw material：Nylon
56 56 parts of resins, 0.3 part of coupling agent, 4 parts of toughener, 0.3 part of hydrolysis-resisting agent, 0.4 part of lubricant, 0.25 part of releasing agent, antioxygen
30 parts of agent 0.4 and glass fibre.
Wherein, coupling agent is alkyl coupling agent KH550, and toughener is maleic anhydride grafted ethene octene copolymer, water resistant
Solution agent is carbodiimides, and lubricant N, N '-ethylene bis stearamide, releasing agent is Tissuemat E, and antioxidant is antioxidant
1098 and the mixture of irgasfos 168, the mass ratio of antioxidant 1098 and irgasfos 168 is 2：1, glass fibre is Mount Taishan glass
In Mount Taishan TCR735-2000-13.5, filament diameter be 13.5 μm.
The preparation method of above-mentioned hydrolysis nylon material is first by the resin of nylon 56, toughener and coupling agent in blender
Mix 2min, then with hydrolysis-resisting agent, antioxidant, releasing agent, mix lubricant 4min, obtained mixture is passed through twin-screw and squeezed
Go out machine, extruded after the 6th bringing-up section of double screw extruder adds glass fibre.
Wherein, double screw extruder the first bringing-up section temperature be 250 DEG C, the second bringing-up section, the 3rd bringing-up section and
The temperature of 4th bringing-up section is 260 DEG C, and the 5th bringing-up section is 255 DEG C, the 6th bringing-up section is 250 DEG C, the temperature of the 7th bringing-up section
Degree is 245 DEG C, and the temperature of the 8th bringing-up section and the 9th bringing-up section is 245 DEG C, and the temperature of the head of double screw extruder is
258℃。
The engine speed of double screw extruder is 400 revs/min, and the rotating speed of feed screw is 25 revs/min.
Embodiment 7
A kind of hydrolysis nylon material that the present embodiment provides, by weight, it is prepared by following raw material：Nylon
56 56 parts of resins, 0.3 part of coupling agent, 4 parts of toughener, 0.3 part of hydrolysis-resisting agent, 0.4 part of lubricant, 0.25 part of releasing agent, antioxygen
30 parts of agent 0.4 and glass fibre.
Wherein, coupling agent is alkyl coupling agent KH550, and toughener is maleic anhydride grafted ethene octene copolymer, water resistant
Solution agent is carbodiimides, and lubricant N, N '-ethylene bis stearamide, releasing agent is Tissuemat E, and antioxidant is antioxidant
1098 and the mixture of irgasfos 168, the mass ratio of antioxidant 1098 and irgasfos 168 is 2：1, glass fibre is Mount Taishan glass
In Mount Taishan TCR735-2000-13.5, filament diameter be 13.5 μm.
The preparation method of above-mentioned hydrolysis nylon material is first by the resin of nylon 56, toughener and coupling agent in blender
Mix 2min, then with hydrolysis-resisting agent, antioxidant, releasing agent, mix lubricant 4min, obtained mixture is passed through twin-screw and squeezed
Go out machine, extruded after the 6th bringing-up section of double screw extruder adds glass fibre.
Wherein, it is 250 DEG C in the temperature of each bringing-up section of double screw extruder.
The engine speed of double screw extruder is 400 revs/min, and the rotating speed of feed screw is 25 revs/min.
Embodiment 8
A kind of hydrolysis nylon material that the present embodiment provides, by weight, it is prepared by following raw material：Nylon
56 56 parts of resins, 0.3 part of coupling agent, 4 parts of toughener, 0.3 part of hydrolysis-resisting agent, 0.4 part of lubricant, 0.25 part of releasing agent, antioxygen
30 parts of agent 0.4 and glass fibre.
Wherein, coupling agent is alkyl coupling agent KH550, and toughener is maleic anhydride grafted ethene octene copolymer, water resistant
Solution agent is carbodiimides, and lubricant N, N '-ethylene bis stearamide, releasing agent is Tissuemat E, and antioxidant is antioxidant
1098 and the mixture of irgasfos 168, the mass ratio of antioxidant 1098 and irgasfos 168 is 2：1, glass fibre is Mount Taishan glass
In Mount Taishan TCR735-2000-13.5, filament diameter be 13.5 μm.
The preparation method of above-mentioned hydrolysis nylon material is first by the resin of nylon 56, toughener and coupling agent in blender
Mix 2min, then with hydrolysis-resisting agent, antioxidant, releasing agent, mix lubricant 4min, obtained mixture is passed through twin-screw and squeezed
Go out machine, extruded after the 6th bringing-up section of double screw extruder adds glass fibre.
Wherein, it is 255 DEG C in the temperature of each bringing-up section of double screw extruder.
The engine speed of double screw extruder is 400 revs/min, and the rotating speed of feed screw is 25 revs/min.
Embodiment 9-12
With the difference is that only for embodiment 2, toughener be followed successively by polyvinyl formal, polyvinyl butyral resin,
Hold mercapto nitrile rubber, polyurethane rubber.
Embodiment 13-18
With the difference is that only for embodiment 2, lubricant is followed successively by silicone oil, lauric acid diethyl amide, myristoyl
Dimethyl tertiary amine, lauramido dimethyl tertiary amine, oleoyl dimethyl tertiary amine.
Embodiment 19-21
With the difference is that only for embodiment 2, releasing agent is followed successively by polyethylene glycol, talcum powder and mica powder.
Test example
Izod notched impact is carried out to embodiment 1-21 hydrolysis nylon material according to ISO180 standard, rushed
Hit intensity.Tensile strength test is carried out according still further to ISO527-1 standard, obtains the stretching of embodiment 1-21 hydrolysis nylon
Intensity.Above-mentioned tensile strength is carried out after embodiment 1-21 hydrolysis nylon material is soaked 4000 hours in water again to survey
Examination, is calculated loss of tensile strength rate.Test result such as table 1.
Table 1
From table 1 it follows that embodiment 1, compared with implementing 2, embodiment 2 mixes more uniformly, and its performance is more preferable；From
Embodiment 2-4 can be seen that the nylon material that engine speed obtains in 300 revs/min and 500 revs/min of 400 revs/min of ratios
The performance of material will get well.Different heating section is can be seen that from embodiment 5-8 and selects different temperature, is more beneficial for nylon material
Plasticizing and kneading, obtained nylon material performance are better.
In summary, by the scientific compatibility of various composition, compounded with the resin of nylon 56, its performance is changed
Enter, so as to obtain that there is the nylon material of high stiffness, high tenacity and good anti-hydrolytic performance, automobile water chamber, tableware,
The fields such as the household electrical appliances such as kitchen tools, auto parts and components have good application prospect and commercial value.
Embodiments described above is part of the embodiment of the present invention, rather than whole embodiments.The reality of the present invention
The detailed description for applying example is not intended to limit the scope of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, belongs to the scope of protection of the invention.
Claims (10)
1. a kind of hydrolysis nylon material, it is characterised in that by weight, it is at least prepared by following raw material：
2. hydrolysis nylon material according to claim 1, it is characterised in that by weight, it is at least by following original
Material is prepared：
3. hydrolysis nylon material according to claim 1, it is characterised in that the viscosity of the resin of nylon 56 be 2~
3, preferably 2.5~2.9, more preferably 2.5~2.7.
4. hydrolysis nylon material according to claim 1, it is characterised in that the coupling agent include alkyl coupling agent and
At least one of titanate esters, it is preferable that the coupling agent is alkyl coupling agent, it is highly preferred that the coupling agent is that alkyl is even
Join agent KH550.
5. hydrolysis nylon material according to claim 1, it is characterised in that the toughener includes polyvinyl alcohol contracting first
In aldehyde, polyvinyl butyral resin, end mercapto nitrile rubber, polyurethane rubber and maleic anhydride grafted ethene octene copolymer
It is at least one, it is preferable that the toughener is maleic anhydride grafted ethene octene copolymer.
6. hydrolysis nylon material according to claim 1, it is characterised in that the lubricant includes silicone oil, laurate
Diglycollic amide, myristoyl dimethyl tertiary amine, lauramido dimethyl tertiary amine, oleoyl aminopropyl two
At least one of methyl tertiary amine and N, N '-ethylene bis stearamide, it is preferable that the lubricant is selected from laurate diethanol acyl
Amine, myristoyl dimethyl tertiary amine, lauramido dimethyl tertiary amine, oleoyl dimethyl tertiary amine
And N, N ' one kind in-ethylene bis stearamide, it is highly preferred that the lubricant is N, N '-ethylene bis stearamide.
7. hydrolysis nylon material according to claim 1, it is characterised in that the releasing agent includes Tissuemat E, gathered
At least one of ethylene glycol, talcum powder and mica powder, it is preferable that the releasing agent is Tissuemat E.
8. hydrolysis nylon material according to claim 1, it is characterised in that the antioxidant includes the He of antioxidant 1098
At least one of irgasfos 168, it is preferable that the antioxidant includes antioxidant 1098 and irgasfos 168, it is highly preferred that institute
The mass ratio for stating antioxidant 1098 and the irgasfos 168 is 1~3：1；
Preferably, the hydrolysis-resisting agent is carbodiimides；
Preferably, the glass fibre is Mount Taishan glass, and the filament diameter of the further preferred Mount Taishan glass is 13~14 μm.
A kind of 9. preparation method of hydrolysis nylon material as described in claim 1~8 any one, it is characterised in that its
Including：By the resin of nylon 56, the toughener, the coupling agent, the hydrolysis-resisting agent, the antioxidant, the demoulding
The mixture of agent, the lubricant and the glass fibre is extruded by double screw extruder.
10. the preparation method of hydrolysis nylon material according to claim 9, it is characterised in that first by the nylon 56
Resin, the toughener and the coupling agent mix 1~2min in blender, then with the hydrolysis-resisting agent, the antioxidant,
The releasing agent, the 2~4min of mix lubricant, then mixture is passed through the double screw extruder, and in double spiral shells
The bringing-up section of bar extruder is extruded after adding the glass fibre；
Preferably, extrusion temperature is 235~265 DEG C, it is further preferred that the double screw extruder includes nine bringing-up sections,
It is 245~255 DEG C in the temperature of the first bringing-up section of the double screw extruder, the second bringing-up section, the 3rd bringing-up section and the 4th
The temperature of bringing-up section is 255~265 DEG C, and the temperature of the 5th bringing-up section, the 6th bringing-up section and the 7th bringing-up section is 245~
250 DEG C, the temperature of the 8th bringing-up section and the 9th bringing-up section is 240~250 DEG C, the temperature of the head of the double screw extruder
For 255~260 DEG C；
Preferably, engine speed be 300~500 revs/min, more preferably 350~450 revs/min, most preferably 380~420 turns/
Minute；Preferably, the rotating speed of feed screw is 40~50 revs/min.
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