CN105331102B - Toughed nylon66 material and its preparation method and application - Google Patents
Toughed nylon66 material and its preparation method and application Download PDFInfo
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- CN105331102B CN105331102B CN201510937181.5A CN201510937181A CN105331102B CN 105331102 B CN105331102 B CN 105331102B CN 201510937181 A CN201510937181 A CN 201510937181A CN 105331102 B CN105331102 B CN 105331102B
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- 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
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Abstract
The invention provides a kind of Toughed nylon66 material and its preparation method and application；Nylon material includes following components：100 parts of nylon66 fibers, 4-20 parts raw-silastic continuously, 0.3-0.8 parts antioxidant and 0.024-0.3 part vulcanizing agents；Preparation method includes：Nylon66 fiber, raw-silastic continuously, antioxidant and vulcanizing agent are weighed according to above-mentioned parts by weight, double screw extruder is added to after well mixed and carries out melt blending, Toughed nylon66 material is obtained after supercooling, traction and pelletizing；The present invention carries out toughness reinforcing using Technology of Dynamic Vulcanized using raw-silastic continuously as toughener to nylon66 fiber, silicon rubber can be made to be homogeneously dispersed in the form of micron-sized fine particle in nylon66 fiber matrix, so as to obtain the Toughed nylon66 material with high tenacity and good heat resistance.
Description
Technical field
The invention belongs to technical field of polymer materials, is related to a kind of nylon material and its preparation method and application.
Background technology
Nylon66 fiber due to wearability, the excellent properties such as solvent resistance and broad temperature in use and obtained increasingly
It is widely applied, but because nylon66 fiber contains polar group, water imbibition is larger, if using in a humidity environment, easily
Cause the reduction of modulus of elasticity and intensity, so as to influence its dimensional stability；Meanwhile and because nylon66 fiber is in low gently dried shape
Brittle under state, so as to cause its impact property to be deteriorated, these limit its further application.
In order to expand the application of nylon66 fiber, make it have higher impact resilience, relatively low water absorption rate or can preferably add
Work using modifying agent to it, it is necessary to be modified.Because some modifying agent have the problem of poor compatibility, enter to nylon66 fiber
Row it is modified, although its impact strength can be improved, may have influence on finished product nylon 66 composite material tensile strength and
Bending strength；And although other modifying agent can improve its toughness, but influence whether its heat resistance.Therefore, one is explored
The method that kind is modified to nylon66 fiber just turns into important to finally give the uniform nylon 66 composite material of comprehensive comparison
Research topic.
The content of the invention
It is a primary object of the present invention to provide a kind of Toughed nylon66 material.
Second object of the present invention is the preparation method for providing above-mentioned Toughed nylon66 material.
Third object of the present invention is the application for providing above-mentioned Toughed nylon66 material.
To reach above-mentioned purpose, solution of the invention is：
A kind of Toughed nylon66 material, it contains following components and each component has following parts by weight：
Wherein, the parts by weight of raw-silastic continuously can also be preferably 8-12 parts；And/or the parts by weight of antioxidant can be with
Preferably 0.5-0.6 parts；And/or the parts by weight of vulcanizing agent can also be preferably 0.065-0.14 parts.
Raw-silastic continuously can be any of methyl ethylene silicon raw rubber, methyl phenyl vinyl silicon raw rubber and fluorine silicon raw rubber
It is one or more of.
Antioxidant can be phosphite kind antioxidant, Hinered phenols antioxidant or monothioester kind antioxidant.
Phosphite kind antioxidant can be three (2,4- di-tert-butyl-phenyl) phosphite esters or four (2,4- di-tert-butyls
Base -4,4- xenyl) biphosphonate.
Hinered phenols antioxidant can with N, N'- is double-(3- (3,5- di-tert-butyl-hydroxy phenyl) propiono) hexamethylene diamine,
3- (3,5- di-tert-butyl-hydroxy phenyl) propionic acid n-octadecane alcohol esters or the double [β-(the 3- tert-butyl group -4- hydroxyls of triethylene-glycol
Base -5- aminomethyl phenyls)-propionic ester.
Monothioester kind antioxidant can be 3,3- thio-2 acids double tetradecane ester, thio-2 acid 2 stearyl ester or sulphur
For the double dodecane esters of dipropionic acid.
Vulcanizing agent can be selected from dibenzoyl peroxide, 2,4- dichlorobenzoperoxides and peroxidized t-butyl perbenzoate
In any one or a few.
A kind of method for preparing above-mentioned Toughed nylon66 material, it comprises the following steps：
(1), by 100 parts of dry nylon66 fibers, 4-20 parts raw-silastic continuously, 0.3-0.8 parts antioxidant and 0.024-0.3 parts
Vulcanizing agent is well mixed, and obtains premix；
(2), add the premix to double screw extruder and carry out melt blending, obtained after supercooling, traction and pelletizing
Toughed nylon66 material.
Wherein, in step (2), the temperature of double screw extruder is 230-280 DEG C；In step (2), twin-screw extrusion
Ji Ge areas temperature can be preferably：One area's temperature is 230 ± 10 DEG C, and two area's temperature are 235 ± 10 DEG C, and three area's temperature are 240
± 10 DEG C, four area's temperature are 255 ± 10 DEG C, and five area's temperature are 260 ± 10 DEG C, and six area's temperature are 260 ± 10 DEG C, and seven area's temperature are
265 ± 10 DEG C, eight area's temperature are 265 ± 10 DEG C, and nine area's temperature are 265 ± 10 DEG C, and ten area's temperature are 260 ± 10 DEG C, head temperature
Spend for 260 ± 10 DEG C.In step (2), the screw speed of double screw extruder can be 180rpm.
Above-mentioned Toughed nylon66 material can be used for making auto parts and components.
Above-mentioned Toughed nylon66 material can be also used for construction material, furniture material or finishing material.
Due to using such scheme, the beneficial effects of the invention are as follows：
Firstth, the present invention carries out toughness reinforcing as toughener using raw-silastic continuously to nylon66 fiber, while in material system
Vulcanizing agent is with the addition of again, and during mixing is processed, raw-silastic continuously crosslinks in the presence of vulcanizing agent, in twin-screw
Under the shear action of extruder, silicon rubber is cut into micron particles and is dispersed in nylon66 fiber matrix, solves well
Silicon rubber after crosslinking curing of having determined is good is difficult to the problem of dispersed in nylon66 fiber matrix, and nylon66 fiber matrix is played very well
Toughening effect.
Secondth, the silicon rubber after being crosslinked still has good dimensional stability and intensity stabilization at a high temperature of long-time
Property, silicon rubber mixes the modulus of elasticity that can improve nylon66 fiber caused by long-time absorbs water with the uniform of nylon66 fiber (PA66)
And the reduction of intensity so that finished product can use for a long time at a higher temperature, ensure that the Toughed nylon66 of the present invention
The good heat resistance of material.
Embodiment
The invention provides a kind of Toughed nylon66 material and its preparation method and application.
<Toughed nylon66 material>
A kind of Toughed nylon66 material, it contains following components and each component has following parts by weight：
Wherein, the parts by weight of raw-silastic continuously can be preferably 8-12 parts；And/or the parts by weight of antioxidant can be preferred
For 0.5-0.6 parts；And/or the parts by weight of vulcanizing agent can be preferably 0.065-0.14 parts.
The parts by weight of nylon66 fiber are dried weight (dry weight), are obtained by drying 12h in 100 DEG C of drier.
Raw-silastic continuously can be any of methyl ethylene silicon raw rubber, methyl phenyl vinyl silicon raw rubber and fluorine silicon raw rubber
It is one or more of.
Antioxidant can be phosphite kind antioxidant, Hinered phenols antioxidant or monothioester kind antioxidant.
Above-mentioned phosphite kind antioxidant can be three (2,4- di-tert-butyl-phenyl) phosphite esters or four (2,4- bis- uncles
Butyl phenyl -4,4- xenyl) biphosphonate.
Above-mentioned Hinered phenols antioxidant can be N, N'- is double-(3- (3,5- di-tert-butyl-hydroxy phenyl) propiono)
Double [the β-(the tertiary fourths of 3- of hexamethylene diamine, 3- (3,5- di-tert-butyl-hydroxy phenyl) propionic acid n-octadecane alcohol esters or triethylene-glycol
Base -4- hydroxy-5-methyl bases phenyl)-propionic ester.
Above-mentioned monothioester kind antioxidant can be the double tetradecane esters of 3,3- thio-2 acids, thio-2 acid distearyl alcohol
Ester or the double dodecane esters of thio-2 acid.
Above-mentioned vulcanizing agent can be selected from dibenzoyl peroxide (BP), 2,4- dichlorobenzoperoxides (DCBP) and mistake
Aoxidize any one or a few in t-butyl perbenzoate (TBPB).The parts by weight of vulcanizing agent account for the parts by weight of raw-silastic continuously
0.6-1.5%.
<The preparation method of Toughed nylon66 material>
A kind of preparation method of Toughed nylon66 material, it comprises the following steps：
(1), by 100 parts of dry nylon66 fibers, 4-20 parts raw-silastic continuously, 0.3-0.8 parts antioxidant and 0.024-0.3 parts
Vulcanizing agent is well mixed, and obtains premix；
(2), add the premix to double screw extruder and carry out melt blending, obtained after supercooling, traction and pelletizing
Toughed nylon66 material.
Wherein, in step (1), dry nylon66 fiber is as obtained by nylon66 fiber dry 12h in 100 DEG C of drier.
In step (1), mixing is carried out in high-speed mixer, and the time of mixing can be 3-5min.
In step (1), the parts by weight of raw-silastic continuously can also be preferably 8-12 parts；And/or the parts by weight of antioxidant
Can also be preferably 0.5-0.6 parts；And/or the parts by weight of vulcanizing agent can also be preferably 0.065-0.14 parts.
In step (2), the temperature of double screw extruder can be 230-280 DEG C.
In step (2), double screw extruder can use zone temperature to control, and its each area's temperature can be：One area's temperature
To spend for 230 ± 10 DEG C, two area's temperature are 235 ± 10 DEG C, and three area's temperature are 240 ± 10 DEG C, and four area's temperature are 255 ± 10 DEG C, five
Area's temperature is 260 ± 10 DEG C, and six area's temperature are 260 ± 10 DEG C, and seven area's temperature are 265 ± 10 DEG C, and eight area's temperature are 265 ± 10
DEG C, nine area's temperature are 265 ± 10 DEG C, and ten area's temperature are 260 ± 10 DEG C, and head temperature is 260 ± 10 DEG C.
In the temperature in above-mentioned each area, area's temperature, two area's temperature, three area's temperature, four area's temperature and five area's temperature be in by
Gradually elevated trend, i.e. five area's temperature>Four area's temperature>Three area's temperature>Two area's temperature>One area's temperature.Above-mentioned each area's temperature is gradual
Rise, material (mixture that i.e. each raw material components are formed) temperature can be caused to progressively reach suitable processing temperature.
Seven area's temperature, eight area's temperature and nine area's temperature are consistent.Ten area's temperature slightly reduce than nine area's temperature, but are equal to
Head temperature.Due to screw rod shearing so that temperature of charge continues to raise, so reducing by ten area's temperature to avoid temperature of charge too high
And the situation for causing material to thermally decompose occurs.
In step (2), the screw speed of double screw extruder can be 180rpm.
Inventor has found under study for action, compatible due to nylon66 fiber and rubber if nylon66 fiber and the direct melt blending of rubber
Property dispersiveness of the poor and rubber in nylon66 fiber matrix it is also poor, therefore rubber is bad to the toughening effect of nylon66 fiber.Separately
Outside, due to rubber and/or elastomer non-refractory, when using rubber and/or elastomer come Toughed nylon66, can cause compound
More significant decline be present in the heat resistance of material.
In order to overcome drawbacks described above, the present invention adds when raw-silastic continuously and nylon66 fiber are blended in material system
Vulcanizing agent, realizes dynamic vulcanization of the material system in double screw extruder, improves silicon rubber between nylon66 fiber matrix
Dispersiveness, the compatibility of silicon rubber and nylon66 fiber is improved, the toughness of nylon66 fiber matrix can not only be significantly increased, moreover it is possible to carry
The heat resistance of high nylon66 fiber matrix, so as to obtain that there is the Toughed nylon66 material of higher toughness and heat resistance.
<The purposes of Toughed nylon66 material>
The Toughed nylon66 material of the present invention can be used in producing electrical/electronic part (such as auto parts and components).
The Toughed nylon66 material of the present invention can also be used as construction material, furniture material or finishing material.
<Embodiment>
The present invention is further illustrated with reference to embodiments.
Embodiment one
The content of each component of the Toughed nylon66 material of the present embodiment is as shown in table 1 below.
The constituent content table of the Toughed nylon66 material of the embodiment one of table 1
In table 1, the parts by weight of nylon66 fiber are dried weight (dry weight), as follows.
The preparation method of Toughed nylon66 material in the present embodiment comprises the following steps：
(1) nylon66 fiber, is dried into 12h in 100 DEG C of drier, obtains dry nylon66 fiber；
(2), dry nylon66 fiber, raw-silastic continuously, antioxidant, vulcanizing agent is weighed according to the parts by weight of table 1 to mix in high speed
5min is mixed in conjunction machine, obtains premix；
(3), add the premix to double screw extruder and carry out melt blending, obtained after supercooling, traction and pelletizing
Toughed nylon66 material.
Wherein, in step (3), each area's temperature of double screw extruder is：One area's temperature is 230 DEG C, and two area's temperature are
235 DEG C, three area's temperature are 240 DEG C, and four area's temperature are 255 DEG C, and five area's temperature are 260 DEG C, and six area's temperature are 260 DEG C, seven area's temperature
Spend for 265 DEG C, eight area's temperature are 265 DEG C, and nine area's temperature are 265 DEG C, and ten area's temperature are 260 DEG C, and head temperature is 260 DEG C, spiral shell
Bar rotating speed 180r/min.
Embodiment two
The content of each component of the Toughed nylon66 material of the present embodiment is as shown in table 2 below.
The constituent content table of the Toughed nylon66 material of the embodiment two of table 2
The preparation method of Toughed nylon66 material in the present embodiment comprises the following steps：
(1) nylon66 fiber, is dried into 12h in 100 DEG C of drier, obtains dry nylon66 fiber；
(2), dry nylon66 fiber, raw-silastic continuously, antioxidant, vulcanizing agent is weighed according to the parts by weight of table 2 to mix in high speed
5min is mixed in conjunction machine, obtains premix；
(3), add the premix to double screw extruder and carry out melt blending, obtained after supercooling, traction and pelletizing
Toughed nylon66 material.
Wherein, in step (3), each area's temperature of double screw extruder is：One area's temperature is 230 DEG C, and two area's temperature are
235 DEG C, three area's temperature are 240 DEG C, and four area's temperature are 255 DEG C, and five area's temperature are 260 DEG C, and six area's temperature are 260 DEG C, seven area's temperature
Spend for 265 DEG C, eight area's temperature are 265 DEG C, and nine area's temperature are 265 DEG C, and ten area's temperature are 260 DEG C, and head temperature is 260 DEG C, spiral shell
Bar rotating speed 180r/min.
Embodiment three
The content of each component of the Toughed nylon66 material of the present embodiment is as shown in table 3 below.
The constituent content table of the Toughed nylon66 material of the embodiment three of table 3
The preparation method of Toughed nylon66 material in the present embodiment comprises the following steps：
(1) nylon66 fiber, is dried into 12h in 100 DEG C of drier, obtains dry nylon66 fiber；
(2), dry nylon66 fiber, raw-silastic continuously, antioxidant, vulcanizing agent is weighed according to the parts by weight of table 3 to mix in high speed
3min is mixed in conjunction machine, obtains premix；
(3), add the premix to double screw extruder and carry out melt blending, obtained after supercooling, traction and pelletizing
Toughed nylon66 material.
Wherein, in step (3), each area's temperature of double screw extruder is：One area's temperature is 230 DEG C, and two area's temperature are
235 DEG C, three area's temperature are 240 DEG C, and four area's temperature are 255 DEG C, and five area's temperature are 260 DEG C, and six area's temperature are 260 DEG C, seven area's temperature
Spend for 265 DEG C, eight area's temperature are 265 DEG C, and nine area's temperature are 265 DEG C, and ten area's temperature are 260 DEG C, and head temperature is 260 DEG C, spiral shell
Bar rotating speed 180r/min.
Example IV
The content of each component of the Toughed nylon66 material of the present embodiment is as shown in table 4 below.
The constituent content table of the Toughed nylon66 material of the example IV of table 4
The preparation method of Toughed nylon66 material in the present embodiment comprises the following steps：
(1) nylon66 fiber, is dried into 12h in 100 DEG C of drier, obtains dry nylon66 fiber；
(2), dry nylon66 fiber, raw-silastic continuously, antioxidant, vulcanizing agent is weighed according to the parts by weight of table 4 to mix in high speed
5min is mixed in conjunction machine, obtains premix；
(3), add the premix to double screw extruder and carry out melt blending, obtained after supercooling, traction and pelletizing
Toughed nylon66 material.
Wherein, in step (3), each area's temperature of double screw extruder is：One area's temperature is 230 DEG C, and two area's temperature are
235 DEG C, three area's temperature are 240 DEG C, and four area's temperature are 255 DEG C, and five area's temperature are 260 DEG C, and six area's temperature are 260 DEG C, seven area's temperature
Spend for 265 DEG C, eight area's temperature are 265 DEG C, and nine area's temperature are 265 DEG C, and ten area's temperature are 260 DEG C, and head temperature is 260 DEG C, spiral shell
Bar rotating speed 180r/min.
Embodiment five
The content of each component of the Toughed nylon66 material of the present embodiment is as shown in table 5 below.
The constituent content table of the Toughed nylon66 material of the embodiment five of table 5
In table 5, raw-silastic continuously is the mixture of fluorine silicon raw rubber and methyl phenyl vinyl silicon raw rubber, the weight of the two
The ratio between part is 1 ︰ 1.
The preparation method of Toughed nylon66 material in the present embodiment comprises the following steps：
(1) nylon66 fiber, is dried into 12h in 100 DEG C of drier, obtains dry nylon66 fiber；
(2), dry nylon66 fiber, raw-silastic continuously, antioxidant, vulcanizing agent is weighed according to the parts by weight of table 5 to mix in high speed
5min is mixed in conjunction machine, obtains premix；
(3), add the premix to double screw extruder and carry out melt blending, obtained after supercooling, traction and pelletizing
Toughed nylon66 material.
Wherein, in step (3), each area's temperature of double screw extruder is：One area's temperature is 230 DEG C, and two area's temperature are
235 DEG C, three area's temperature are 240 DEG C, and four area's temperature are 255 DEG C, and five area's temperature are 260 DEG C, and six area's temperature are 260 DEG C, seven area's temperature
Spend for 265 DEG C, eight area's temperature are 265 DEG C, and nine area's temperature are 265 DEG C, and ten area's temperature are 260 DEG C, and head temperature is 260 DEG C, spiral shell
Bar rotating speed 180r/min.
Embodiment six
The content of each component of the Toughed nylon66 material of the present embodiment is as shown in table 6 below.
The constituent content table of the Toughed nylon66 material of the embodiment six of table 6
In table 6, raw-silastic continuously is the mixture of methyl ethylene silicon raw rubber and methyl phenyl vinyl silicon raw rubber, two
The weight ratio of person is 1 ︰ 1.
The preparation method of Toughed nylon66 material in the present embodiment comprises the following steps：
(1) nylon66 fiber, is dried into 12h in 100 DEG C of drier, obtains dry nylon66 fiber；
(2), dry nylon66 fiber, raw-silastic continuously, antioxidant, vulcanizing agent is weighed according to the parts by weight of table 6 to mix in high speed
5min is mixed in conjunction machine, obtains premix；
(3), add the premix to double screw extruder and carry out melt blending, obtained after supercooling, traction and pelletizing
Toughed nylon66 material.
Wherein, in step (3), each area's temperature of double screw extruder is：One area's temperature is 230 DEG C, and two area's temperature are
235 DEG C, three area's temperature are 240 DEG C, and four area's temperature are 255 DEG C, and five area's temperature are 260 DEG C, and six area's temperature are 260 DEG C, seven area's temperature
Spend for 265 DEG C, eight area's temperature are 265 DEG C, and nine area's temperature are 265 DEG C, and ten area's temperature are 260 DEG C, and head temperature is 260 DEG C, spiral shell
Bar rotating speed 180r/min.
Comparative example
The content of each component of the nylon 66 material of this comparative example is as shown in table 7 below.
The constituent content table of the nylon 66 material of the comparative example of table 7
The preparation method of nylon 66 material in this comparative example comprises the following steps：
(1) nylon66 fiber, is dried into 12h in 100 DEG C of drier, obtains dry nylon66 fiber；
(2) dry nylon66 fiber, raw-silastic continuously and antioxidant, are weighed in high-speed mixer according to the parts by weight of table 7
5min is mixed, obtains premix；
(3), add the premix to double screw extruder and carry out melt blending, obtained after supercooling, traction and pelletizing
Toughed nylon66 material.
Wherein, in step (3), each area's temperature of double screw extruder is：One area's temperature is 230 DEG C, and two area's temperature are
235 DEG C, three area's temperature are 240 DEG C, and four area's temperature are 255 DEG C, and five area's temperature are 260 DEG C, and six area's temperature are 260 DEG C, seven area's temperature
Spend for 265 DEG C, eight area's temperature are 265 DEG C, and nine area's temperature are 265 DEG C, and ten area's temperature are 260 DEG C, and head temperature is 260 DEG C, spiral shell
Bar rotating speed 180r/min.
The performance test results of embodiment one to embodiment six and the composite of comparative example are as shown in table 8.
The performance test results table of the comparative example of table 8 and the composite of each embodiment
As shown in Table 8, embodiment one to six and the notch impact strength of comparative example (containing silicon rubber) are relative to pure Buddhist nun
Have and be obviously improved for dragon 66, but the tensile strength of product and bending strength decline and unobvious, illustrate addition silicon rubber
Really PA66 toughness can be improved, play the effect of toughness reinforcing.
Comparative examples and embodiment one understand, embodiment one with the addition of vulcanizing agent, and comparative example and is not added with vulcanizing agent,
In addition to vulcanizing agent, the two remaining component is then identical.From the data of table 8, by made of Technology of Dynamic Vulcanized
The toughening effect of Toughed nylon66 material (gained of embodiment one) (compares than the composite prepared by simple melt-blending process
Example gained) effect want good more, the former impact strength is higher than the latter by 55% or so, and tensile strength and bending strength
It is obviously improved, when this illustrates the Toughed nylon66 material prepared by Technology of Dynamic Vulcanized, the dispersiveness of silicon rubber improves, and with
Compatibility between nylon66 fiber matrix is improved, and properties of product improve；, can be to the tough of product by changing the dosage of silicon rubber
Property further adjust, so as to meet the requirement without application scenario.
To sum up, the present invention carries out toughness reinforcing, energy using Technology of Dynamic Vulcanized using raw-silastic continuously as toughener to nylon66 fiber
Silicon rubber is enough set to be homogeneously dispersed in micron-sized fine particle in nylon66 fiber matrix, so as to obtain that there is high tenacity and good
The Toughed nylon66 material of good heat resistance.
The above-mentioned description to embodiment is that this hair is understood that and used for ease of those skilled in the art
It is bright.Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein
General Principle is applied in other embodiment without by performing creative labour.Therefore, the invention is not restricted to above-described embodiment,
Those skilled in the art do not depart from improvement that scope made and modification all should be in this hairs according to the announcement of the present invention
Within bright protection domain.
Claims (6)
- A kind of 1. Toughed nylon66 material, it is characterised in that：It is made up of following components and each component has following parts by weight：Any one or a few in methyl phenyl vinyl silicon raw rubber and fluorine silicon raw rubber of the raw-silastic continuously；The vulcanizing agent is selected from dibenzoyl peroxide, 2,4- dichlorobenzoperoxides and peroxidized t-butyl perbenzoate Any one or a few；The antioxidant is phosphite kind antioxidant, Hinered phenols antioxidant or monothioester kind antioxidant；The phosphite kind antioxidant is selected from three (2,4- di-tert-butyl-phenyl) phosphite esters or four (2,4- di-tert-butyls Base -4,4- xenyl) biphosphonate；The Hinered phenols antioxidant is selected from N, N'- is double-(3- (3,5- di-tert-butyl-hydroxy phenyl) propiono) hexamethylene diamine or Double [the β-(3- tertiary butyl-4-hydroxy -5- aminomethyl phenyls)-propionic ester of triethylene-glycol；The monothioester kind antioxidant is the double tetradecane esters of 3,3- thio-2 acids, thio-2 acid 2 stearyl ester or thio two The double dodecane esters of propionic acid；The preparation method of the Toughed nylon66 material comprises the following steps：(1), 100 parts of dry nylon66 fibers, 4-8 parts raw-silastic continuously, 0.3-0.8 parts antioxidant and 0.024-0.3 parts are vulcanized Agent is well mixed, and obtains premix；(2) premix, is added to double screw extruder and carries out melt blending, is obtained after supercooling, traction and pelletizing Toughed nylon66 material；In step (1), dry nylon66 fiber is as obtained by nylon66 fiber dry 12h in 100 DEG C of drier；In step (2), each area's temperature of the double screw extruder is：One area's temperature is 230 ± 10 DEG C, and two area's temperature are 235 ± 10 DEG C, three area's temperature are 240 ± 10 DEG C, and four area's temperature are 255 ± 10 DEG C, and five area's temperature are 260 ± 10 DEG C, six area's temperature To spend for 260 ± 10 DEG C, seven area's temperature are 265 ± 10 DEG C, and eight area's temperature are 265 ± 10 DEG C, and nine area's temperature are 265 ± 10 DEG C, ten Area's temperature is 260 ± 10 DEG C, and head temperature is 260 ± 10 DEG C.
- 2. Toughed nylon66 material according to claim 1, it is characterised in that：The parts by weight of the antioxidant are 0.5- 0.6 part.
- 3. Toughed nylon66 material according to claim 1, it is characterised in that：The parts by weight of the vulcanizing agent are 0.065- 0.14 part.
- A kind of 4. method for preparing the Toughed nylon66 material as described in any one of claims 1 to 3, it is characterised in that including Following steps：(1), 100 parts of dry nylon66 fibers, 4-8 parts raw-silastic continuously, 0.3-0.8 parts antioxidant and 0.024-0.3 parts are vulcanized Agent is well mixed, and obtains premix；(2) premix, is added to double screw extruder and carries out melt blending, is obtained after supercooling, traction and pelletizing Toughed nylon66 material；In step (1), dry nylon66 fiber is as obtained by nylon66 fiber dry 12h in 100 DEG C of drier；In step (2), each area's temperature of the double screw extruder is：One area's temperature is 230 ± 10 DEG C, and two area's temperature are 235 ± 10 DEG C, three area's temperature are 240 ± 10 DEG C, and four area's temperature are 255 ± 10 DEG C, and five area's temperature are 260 ± 10 DEG C, six area's temperature To spend for 260 ± 10 DEG C, seven area's temperature are 265 ± 10 DEG C, and eight area's temperature are 265 ± 10 DEG C, and nine area's temperature are 265 ± 10 DEG C, ten Area's temperature is 260 ± 10 DEG C, and head temperature is 260 ± 10 DEG C.
- 5. according to the method for claim 4, it is characterised in that：In step (2), the screw rod of the double screw extruder turns Speed is 180rpm.
- 6. a kind of Toughed nylon66 material as described in any one of claims 1 to 3 is making the application of auto parts and components, or Application as construction material, furniture material or finishing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510937181.5A CN105331102B (en) | 2015-12-15 | 2015-12-15 | Toughed nylon66 material and its preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510937181.5A CN105331102B (en) | 2015-12-15 | 2015-12-15 | Toughed nylon66 material and its preparation method and application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105331102A CN105331102A (en) | 2016-02-17 |
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| CN108219447A (en) * | 2018-01-19 | 2018-06-29 | 四川大学 | A kind of preparation method of dynamic vulcanization polyamide/silicon rubber thermoplastic elastomer |
| CN109294220B (en) * | 2018-08-22 | 2020-03-20 | 横店集团东磁股份有限公司 | Magnetic material-nylon composite material for injection molding and preparation method thereof |
Citations (4)
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| CN1373793A (en) * | 1999-09-09 | 2002-10-09 | 陶氏康宁公司 | Thermoplastic resins toughened with silicon rubber |
| CN102532724A (en) * | 2010-12-30 | 2012-07-04 | 四川晨光科新塑胶有限责任公司 | Method for preparing thermoplastic dynamic vulcanized rubber by one-step method |
| CN102964822A (en) * | 2012-12-12 | 2013-03-13 | 江苏天辰硅材料有限公司 | Silicon rubber toughened and modified nylon resin and preparation method thereof |
| CN105038200A (en) * | 2015-05-14 | 2015-11-11 | 湖南工业大学 | Multiple-composite-toughened nylon-6 composite material, composite toughening agent and preparation method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1373793A (en) * | 1999-09-09 | 2002-10-09 | 陶氏康宁公司 | Thermoplastic resins toughened with silicon rubber |
| CN102532724A (en) * | 2010-12-30 | 2012-07-04 | 四川晨光科新塑胶有限责任公司 | Method for preparing thermoplastic dynamic vulcanized rubber by one-step method |
| CN102964822A (en) * | 2012-12-12 | 2013-03-13 | 江苏天辰硅材料有限公司 | Silicon rubber toughened and modified nylon resin and preparation method thereof |
| CN105038200A (en) * | 2015-05-14 | 2015-11-11 | 湖南工业大学 | Multiple-composite-toughened nylon-6 composite material, composite toughening agent and preparation method thereof |
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