CN103642036A - Polyamide resin and polyamide composition composed of same - Google Patents

Polyamide resin and polyamide composition composed of same Download PDF

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Publication number
CN103642036A
CN103642036A CN201310559505.7A CN201310559505A CN103642036A CN 103642036 A CN103642036 A CN 103642036A CN 201310559505 A CN201310559505 A CN 201310559505A CN 103642036 A CN103642036 A CN 103642036A
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polyamide resin
acid
diamines
diamine
diacid
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张传辉
刘奇祥
蔡彤旻
曾祥斌
曹民
吉继亮
夏世勇
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Kingfa Science and Technology Co Ltd
Zhuhai Wantong Chemical Co Ltd
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Kingfa Science and Technology Co Ltd
Zhuhai Wantong Chemical Co Ltd
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Abstract

The invention discloses a polyamide resin A which has a relative viscosity of 1.2-1.8 in 98% concentrated sulfuric acid at 25 DEG C; the polyamide resin A has an amino end group value of 20-60 mol/t, and a carboxyl end group value of 70-130 mol/t; in the polyamide resin A, the proportion of benzoic acid in repetitive units is 2-6 mol%; the polyamide resin A is polymerized by adding polyfunctional compounds during the polymerization process; the adding amount of the polyfunctional compounds is 0.1-1 mol%. The polyamide composition comprises the following components: 31-99 wt% of polyamide resin A; 0-68 wt% of polyamide resin B; 0.8-40 wt% of mineral fillers; and 0.2-1 wt% of other additives. The polyamide resin A of the invention has low apparent viscosity under fusion conditions, has high fluidity; when a certain ratio of polyamide resin A is added into semi-aromatic polyamide, the prepared polyamide composition has high fluidity and comparable mechanical properties, and is applicable to conditions with high injection molding product dimension requirements.

Description

A kind of polyamide resin and consisting of daiamid composition
Technical field
The present invention relates to polymeric material field, particularly a kind of polyamide resin and consisting of daiamid composition.
Background technology
Polymeric amide is because having good over-all properties, comprise mechanical property, thermotolerance, wearability, chemical proofing and self lubricity, and frictional coefficient is low, there is certain flame retardant resistance, be easy to processing etc., it is extensively suitable for, by glass fibre and other filler filling enhancing modified, improves performance and broadened application scope.In recent years semiaromatic polyamide composition due to its resistance toheat and mechanical property more excellent and by focus development.
The polyamide resin being polymerized by decamethylene diamine and terephthalic acid, water-intake rate is low, and fusing point is high, and development is at present rapidly.Yet with respect to PA6T polyamide resin, the melt viscosity of polyamide resin is higher.In the time of large of needs injection moulding or the part with complicated structure, high melt viscosity is very disadvantageous, need to improve mould temperature or back pressure and realize.Aforesaid operations means are inevitably brought the problem of resin degraded, have limited the application of polyamide resin in a lot of fields.Therefore, industry need badly a kind of high workability polyamide resin and consisting of daiamid composition.
Summary of the invention
In order to overcome the shortcoming and deficiency of prior art, primary and foremost purpose of the present invention is to provide a kind of polyamide resin with high workability.
The present invention is achieved by the following technical solutions;
A polyamide resin A, 25 oc, the relative viscosity in 98% vitriol oil is 1.1-1.8; The amino value of end of described polyamide resin A is 20-60mol/t, and end carboxyl value is 70-130mol/t; In described polyamide resin A, the ratio that phenylformic acid accounts for repeating unit is 2-6mol%.
Preferably, described polyamide resin A is 25 oc, the relative viscosity in 98% vitriol oil is 1.2-1.7; The amino value of end of described polyamide resin A is 30-50mol/t, and end carboxyl value is 80-110mol/t; In described polyamide resin A, the ratio that phenylformic acid accounts for repeating unit is 3-5mol%.
Described polyamide resin A, described polyamide resin A, by mole% meter, is comprised of the repeating unit that contains following monomer:
Other dicarboxylic acid of the terephthalic acid of dicarboxylic acid: 80-100mol% and 0 ~ 20mol%;
The aliphatie diamine with 8-20 carbon atom of aliphatie diamine: 80-100mol% and other aliphatie diamines of 0 ~ 20mol%;
Wherein, described other dicarboxylic acid are selected from one or more of aliphatic dicarboxylic acid, m-phthalic acid, alicyclic dicarboxylic acid;
Described other aliphatie diamines are selected from one or more of aliphatie diamine with 2-7 carbon atom.
Described aliphatic dicarboxylic acid is selected from one or more of oxalic acid, propanedioic acid, succinic acid, pentanedioic acid, hexanodioic acid, pimelic acid, suberic acid, 2-methyl suberic acid, nonane diacid, sebacic acid, undecandioic acid, 12 diacid, 13 diacid, 14 diacid.
Described alicyclic dicarboxylic acid is selected from the alicyclic diacid of the alicyclic structure with 3-10 carbon atom; Be preferably Isosorbide-5-Nitrae-cyclohexane diacid, 1,3-cyclohexane diacid, 1, one or more of 3-pentamethylene diacid.
The aliphatie diamine of the described 8-20 of a having carbon atom is selected from one or more of octamethylenediamine, nonamethylene diamine, 2-methyl octamethylenediamine, decamethylene diamine, 11 diamines, 12 diamines, 13 diamines, 14 diamines, 15 diamines, 16 diamines, 17 diamines, 18 diamines, 19 diamines, two amino dodecanes.
The aliphatie diamine of the described 2-7 of a having carbon atom is selected from one or more of quadrol, propylene diamine, butanediamine, pentamethylene diamine, 2 methyl pentamethylenediamine, hexanediamine, heptamethylene diamine.
Described polyamide resin A is polymerized by add polyfunctional compound in polymerization process, and the addition of described polyfunctional compound is 0.1 ~ 1mol%, is preferably 0.1 ~ 0.5mol%.
Described polymerization process has no particular limits concerning polyamide resin A of the present invention; It can be to be polymerized by ordinary melt polymerization process, for example, by being polymerized in single stage method autoclave; Also can be to be polymerized in comprising the technique of preparing prepolymer, this prepolymer can pass through solid state polymerization, or melt polymerization in forcing machine, or melting vacuum polymerization in another one reactor, to improve the molecular weight of polyamide resin A; For example by prepolymer solid state polymerization processes, obtain polyamide resin A: in the autoclave pressure of being furnished with magnetic coupling stirring, prolong, gas phase mouth, charging opening, pressure explosion-proof mouth, by proportioning, add each reaction raw materials, then add sodium hypophosphite and deionized water; Sodium hypophosphite weight is 0.1% of outer other weight that feed intake of deionizing water, and deionized water weight is 30% of the weight that always feeds intake; Vacuumize and be filled with high pure nitrogen as protection gas, under agitation 2 hours, be warmed up to 220 oc, by reaction mixture 220 oc stirs 1 hour, then under agitation makes the temperature of reactant be elevated to 230 oc; Reaction is 230 ounder the constant temperature of C and the constant voltage of 2.2Mpa, proceed 2 hours, by removing formed water, keep constant pressure, reacted rear discharging, prepolymer is in 80 ounder C, vacuum-drying is 24 hours, obtains prepolymer product, and described prepolymer product is 250 ounder C, 50Pa vacuum condition, solid-phase tack producing is 10 hours, obtains polyamide resin A.
Described polyfunctional compound is selected from
Figure 2013105595057100002DEST_PATH_IMAGE001
The described addition that adds polyfunctional compound in polymerization process is 0.1 ~ 1mol%, is preferably 0.1 ~ 0.5mol%.
The principle of polyamide resin A of the present invention is to utilize the polyfunctional compound adding in polymerization process, thereby in polymer formation process, obtain forming the polyamide resin A of star or branched structure, the polyamide resin A of the star-like or branched structure obtaining can significantly improve its mobility.If the addition of the polyfunctional compound adding in polymerization process is lower than 0.1mol%, the star-like or branched structure of polyamide resin A is less, does not have the effect that mobility is improved; If the addition of the polyfunctional compound adding in polymerization process is higher than 1mol%, the star-like or branched structure of polyamide resin A is too much, and the polyamide resin A being polymerized easily occurs crosslinked, also there is no use value
A daiamid composition that comprises described polyamide resin A, percentage ratio meter by weight, comprises following component:
Polyamide resin A 31 ~ 99%;
Polyamide resin B 0 ~ 68%;
Mineral filler 0.8 ~ 40%;
Other auxiliary agents 0.2 ~ 1%;
Wherein, described polyamide resin B is 25 oc, the relative viscosity in 98% vitriol oil is 2.0-2.4; The amino value of end of described polyamide resin B is 20-60mol/t, and end carboxyl value is 70-130mol/t; In described polyamide resin B, the ratio that phenylformic acid accounts for repeating unit is 0.5-4mol%.
Preferably, described polyamide resin B is 25 oc, the relative viscosity in 98% vitriol oil is 2.1-2.3; The amino value of end of described polyamide resin B is 30-50mol/t, and end carboxyl value is 80-110mol/t; In described polyamide resin B, the ratio that phenylformic acid accounts for repeating unit is 1-3.5mol%.
Described polyamide resin B, by mole% meter, is comprised of the repeating unit that contains following monomer:
Other dicarboxylic acid of the terephthalic acid of dicarboxylic acid: 80-100mol% and 0 ~ 20mol%;
The aliphatie diamine with 8-20 carbon atom of aliphatie diamine: 80-100mol% and other aliphatie diamines of 0 ~ 20mol%;
Wherein, described other dicarboxylic acid are selected from one or more of aliphatic dicarboxylic acid, m-phthalic acid, alicyclic dicarboxylic acid;
Described other aliphatie diamines are selected from one or more of aliphatie diamine with 2-7 carbon atom.
Described aliphatic dicarboxylic acid is selected from one or more of oxalic acid, propanedioic acid, succinic acid, pentanedioic acid, hexanodioic acid, pimelic acid, suberic acid, 2-methyl suberic acid, nonane diacid, sebacic acid, undecandioic acid, 12 diacid, 13 diacid, 14 diacid.
Described alicyclic dicarboxylic acid is selected from the alicyclic diacid of the alicyclic structure with 3-10 carbon atom; Be preferably Isosorbide-5-Nitrae-cyclohexane diacid, 1,3-cyclohexane diacid, 1, one or more of 3-pentamethylene diacid.
The aliphatie diamine of the described 8-20 of a having carbon atom is selected from one or more of octamethylenediamine, nonamethylene diamine, 2-methyl octamethylenediamine, decamethylene diamine, 11 diamines, 12 diamines, 13 diamines, 14 diamines, 15 diamines, 16 diamines, 17 diamines, 18 diamines, 19 diamines, two amino dodecanes.
The aliphatie diamine of the described 2-7 of a having carbon atom is selected from one or more of quadrol, propylene diamine, butanediamine, pentamethylene diamine, 2 methyl pentamethylenediamine, hexanediamine, heptamethylene diamine.
Described mineral filler is selected from titanium dioxide, nano zine oxide, talcous one or more mixtures.
The particle diameter of described titanium dioxide is selected from 0.2-0.3um; Purity >=98% of described nano zine oxide, particle diameter is selected from 20-80 nm; Described talcous particle diameter is selected from 500-2000 order.
Described other auxiliary agent is selected from one or more mixtures of antioxidant, photostabilizer, flow ability modifying agent;
Described antioxidant is selected from Hinered phenols antioxidant and/or phosphite ester kind antioxidant;
Preferably, described Hinered phenols antioxidant is selected from 1, 3-benzene diamide-N, N '-bis-(2, 2, 6, 6-tetramethyl--4-piperidyl), β-(3, 5-di-tert-butyl-hydroxy phenyl) propionic acid pentaerythritol ester, β-(3, 5-di-tert-butyl-hydroxy phenyl) propionic acid octadecyl alcohol ester, N, N '-bis-[β-(3, 5-di-tert-butyl-hydroxy phenyl) propionyl]-1, 6-hexanediamine, 1, 3, 5-tri-(3, 5-di-t-butyl-4-convulsion base Bian Ji) 2, 4, 6-Three methyl Benzene, 1, 3, 5-tri-(the 4-tertiary butyl-3-hydroxyl-2, 6-dimethyl Bian Ji) 1, 3, 5-triazine-2, 4, 6-(1H, 3H, 5H) one or more mixtures of triketone, described phosphite ester kind antioxidant is selected from one or more mixtures of three (2,4-DTBP) phosphorous acid ester, two (3,5-di-tert-butyl-phenyl) pentaerythritol diphosphites.
Described photostabilizer is selected from one or more mixtures of benzophenone cpd, salicylate compound, azimidobenzene compound; Described flow ability modifying agent is selected from one or more mixtures of E wax, EBS, montanic acid sodium salt, hyperbranched polymer.
The present invention compared with prior art, has following beneficial effect:
Polyamide resin A of the present invention, apparent viscosity under melting condition is lower, there is higher mobility, when add a certain proportion of polyamide resin A in semiaromatic polyamide composition, the daiamid composition of preparing gained has high mobility and substantially suitable mechanical property, can be used for the occasion higher to injection-molded item dimensional requirement.
Embodiment
Now embodiment and comparative example starting material used are done to following explanation, but are not limited to these materials:
PA6T/66 resin used derives from the HTN502 type product of E.I.Du Pont Company;
Titanium dioxide used is the rutile titanium dioxide R103 of the particle diameter 0.2-0.3 μ m of E.I.Du Pont Company;
The efficient resistance to xanthochromia agent oxidation inhibitor 1098 of amine nylon of oxidation inhibitor Shi Shuan key used chemical company;
Flow ability modifying agent used is the montanic acid sodium salt Licowax OP that the part of Clariant company replaces.
The performance test of embodiment and comparative example is undertaken by following standard or method:
The testing method of the fusing point of gained polymeric amide: with reference to ASTM D3418-2003, Standard Test Method for Transition Temperatures of Polymers By Differential Scanning Calorimetry; Concrete testing method is: the fusing point that adopts Perkin Elmer Dimond dsc analysis instrument test sample; Nitrogen atmosphere, flow velocity is 40mL/min; First with 10 during test oc/min is warming up to 340 oc, 340 oc keeps 2min, then with 10 oc/min is cooled to 50 oc, then with 10 oc/min is warming up to 340 oc, is made as fusing point by endotherm peak temperature now t m;
The testing method of gained polymeric amide relative viscosity: with reference to GB12006.1-89, polymeric amide viscosity number measuring method; Concrete testing method is: 25 ± 0.01 oin 98% the vitriol oil of C, measure the relative viscosity that concentration is the polymeric amide of 0.25g/dl η r;
The testing method of gained polymeric amide terminal amino group content: with autopotentiometric titrator titration sample terminal amino group content; Get 0.5g polymkeric substance, add phenol 45mL and anhydrous methanol 3mL, reflux, after observation sample dissolves completely, is chilled to room temperature, with the hydrochloric acid standard solution titration terminal amino group content of having demarcated;
The testing method of gained polymeric amide content of carboxyl end group: with autopotentiometric titrator titration sample content of carboxyl end group; Get 0.5g polymkeric substance, add ortho-cresol 50mL, reflux and dissolve, let cool the rear 400 μ L formaldehyde solutions that add rapidly, with the KOH-ethanolic soln titration content of carboxyl end group of having demarcated;
The testing method of gained polymeric amide apparent viscosity: carry out with the LCR-7000 of Dynisco company type capillary rheometer, adopt CZ394-20 type mouth mould, shearing rate is 1000s -1, probe temperature is 330 oc, the fusion time is 5min.
Tensile strength: measure according to ISO 527-2, test condition is 23 oc and 10mm/min;
Elongation at break: measure according to ISO 527-2, test condition is 23 oc and 10mm/min;
Flexural strength and modulus in flexure: according to ISO 178, measure, test condition is 23 oc and 2mm/min;
Notched Izod impact strength: measure according to ISO 180/1A, test condition is 23 oc, breach type is A type.
Unnotched impact strength: measure according to ISO 180/1A, test condition is 23 oc.
Helicoidal flow line length: adopt self-control Archimedean screw line of flow mould, the groove width 5mm that flows, high 2.5mm.
Below by embodiment, further illustrate the present invention, following examples are preferably embodiment of the present invention, but embodiments of the present invention are not subject to the restriction of following embodiment.
the preparation of embodiment A 1 ~ A15(polyamide resin A) and comparative example 1 ~ 4:
In the autoclave pressure of being furnished with magnetic coupling stirring, prolong, gas phase mouth, charging opening, pressure explosion-proof mouth, in the ratio in table 1, add reaction raw materials, then add sodium hypophosphite and deionized water; Sodium hypophosphite weight is 0.1% of outer other weight that feed intake of deionizing water, and deionized water weight is 30% of the weight that always feeds intake; Vacuumize and be filled with high pure nitrogen as protection gas, under agitation 2 hours, be warmed up to 220 oc, by reaction mixture 220 oc stirs 1 hour, then under agitation makes the temperature of reactant be elevated to 230 oc; Reaction is 230 ounder the constant temperature of C and the constant voltage of 2.2Mpa, proceed 2 hours, by removing formed water, keep constant pressure, reacted rear discharging, prepolymer is in 80 ounder C, vacuum-drying is 24 hours, obtains prepolymer product, and described prepolymer product is 250 ounder C, 50Pa vacuum condition, solid-phase tack producing is 10 hours, obtains polyamide resin A.Performance test is in Table 1.
Table 1
Figure 83669DEST_PATH_IMAGE002
Continued 1
Figure 2013105595057100002DEST_PATH_IMAGE003
embodiment B 1 ~ B10: the preparation of polyamide resin B
In the autoclave pressure of being furnished with magnetic coupling stirring, prolong, gas phase mouth, charging opening, pressure explosion-proof mouth, in the ratio in table 2, add reaction raw materials, then add sodium hypophosphite and deionized water; Sodium hypophosphite weight is 0.1% of outer other weight that feed intake of deionizing water, and deionized water weight is 30% of the weight that always feeds intake; Vacuumize and be filled with high pure nitrogen as protection gas, under agitation 2 hours, be warmed up to 220 oc, by reaction mixture 220 oc stirs 1 hour, then under agitation makes the temperature of reactant be elevated to 230 oc.Reaction is 230 ounder the constant temperature of C and the constant voltage of 2.2Mpa, proceed 2 hours, by removing formed water, keep constant pressure, reacted rear discharging, prepolymer is in 80 ounder C, vacuum-drying is 24 hours, obtains prepolymer product, and described prepolymer product is 250 ounder C, 50Pa vacuum condition, solid-phase tack producing is 10 hours, obtains polyamide resin B; Performance test is in Table 2.
Table 2
Figure 714764DEST_PATH_IMAGE004
embodiment C 1 ~ C9 and comparative example 5 ~ 10: the preparation of daiamid composition
The formula of pressing table 3 by polyamide resin A, polyamide resin B, titanium dioxide, talcum powder, other auxiliary agent high-speed mixer and mixing evenly after, by main spout, add in twin screw extruder, reinforcing filler is fed by side feeding scale side, extrude, cross water cooling, granulation obtains described daiamid composition after being also dried; Wherein, extrusion temperature is 330 oc.
Table 3
Figure 2013105595057100002DEST_PATH_IMAGE005
Continued 3
Figure 873344DEST_PATH_IMAGE006
By embodiment A 1 ~ A15, comparative example 1 ~ 4 and Embodiment B 1 ~ B10, can find out, along with the increase of the addition of polyfunctional compound, the relative viscosity of gained polyamide resin A first reduces rear increase; When the addition of polyfunctional compound is 0, obtain the PA10T polyamide resin that relative viscosity is higher (comparative example 3); When the addition of polyfunctional compound surpasses 1mol%, obtain the PA10T polyamide resin that relative viscosity is higher (comparative example 1), this derives from the cross-linked effect that the addition of polyfunctional compound produces when too much.The addition that is polyfunctional compound must be controlled at certain limit, just can obtain the polyamide resin A that mobility is higher; Meanwhile, by regulating the benzoic content of end-capping reagent, also can realize the object (comparative example 2) of the mobility that improves PA10T polyamide resin.
By Embodiment C 1 ~ C9 and comparative example 5 ~ 10, relatively can find out, use the polyamide resin A of embodiment A 1 ~ A15 to carry out modification as matrix resin, with take PA6T/66 and compare as matrix resin resulting composition (comparative example 7), can obtain the daiamid composition that mobility is higher.Comparative example 5 is because matrix resin viscosity is higher, therefore the mobility of daiamid composition is very poor; Although comparative example 6 mobility are also fine, because the molecular weight of its matrix resin itself is lower, cause the mechanical property of daiamid composition very poor, there is no practical value; The content of each polyamide resin content range under claim not in comparative example 8, its mobility and mechanical property are all not as good as Embodiment C 1 ~ C9.

Claims (17)

1. a polyamide resin A, is characterized in that: described polyamide resin A is 25 oc, the relative viscosity in 98% vitriol oil is 1.1-1.8; The amino value of end of described polyamide resin A is 20-60mol/t, and end carboxyl value is 70-130mol/t; In described polyamide resin A, the ratio that phenylformic acid accounts for repeating unit is 2-6mol%.
2. polyamide resin A according to claim 1, is characterized in that, described polyamide resin A is 25 oc, the relative viscosity in 98% vitriol oil is 1.2-1.7; The amino value of end of described polyamide resin A is 30-50mol/t, and end carboxyl value is 80-110mol/t; In described polyamide resin A, the ratio that phenylformic acid accounts for repeating unit is 3-5mol%.
3. polyamide resin A according to claim 1, it is characterized in that, described polyamide resin A is polymerized by add polyfunctional compound in polymerization process, and the addition of described polyfunctional compound is 0.1 ~ 1mol%, is preferably 0.1 ~ 0.5mol%.
4. polyamide resin A according to claim 3, is characterized in that, described polyfunctional compound is selected from
Figure 720985DEST_PATH_IMAGE001
5. according to the polyamide resin A described in claim 1 ~ 4 any one, it is characterized in that described polyamide resin A, by mole% meter, is comprised of the repeating unit that contains following monomer:
Other dicarboxylic acid of the terephthalic acid of dicarboxylic acid: 80-100mol% and 0 ~ 20mol%;
The aliphatie diamine with 8-20 carbon atom of aliphatie diamine: 80-100mol% and other aliphatie diamines of 0 ~ 20mol%;
Wherein, described other dicarboxylic acid are selected from one or more of aliphatic dicarboxylic acid, m-phthalic acid, alicyclic dicarboxylic acid;
Described other aliphatie diamines are selected from one or more of aliphatie diamine with 2-7 carbon atom.
6. polyamide resin A according to claim 5, it is characterized in that, described aliphatic dicarboxylic acid is selected from one or more of oxalic acid, propanedioic acid, succinic acid, pentanedioic acid, hexanodioic acid, pimelic acid, suberic acid, 2-methyl suberic acid, nonane diacid, sebacic acid, undecandioic acid, 12 diacid, 13 diacid, 14 diacid.
7. polyamide resin A according to claim 5, is characterized in that, described alicyclic dicarboxylic acid is selected from the alicyclic diacid of the alicyclic structure with 3-10 carbon atom; Be preferably Isosorbide-5-Nitrae-cyclohexane diacid, 1,3-cyclohexane diacid, 1, one or more of 3-pentamethylene diacid.
8. polyamide resin A according to claim 5, it is characterized in that, described in there is 8-20 carbon atom aliphatie diamine be selected from one or more of octamethylenediamine, nonamethylene diamine, 2-methyl octamethylenediamine, decamethylene diamine, 11 diamines, 12 diamines, 13 diamines, 14 diamines, 15 diamines, 16 diamines, 17 diamines, 18 diamines, 19 diamines, two amino dodecanes.
9. polyamide resin A according to claim 5, is characterized in that, described in there is 2-7 carbon atom aliphatie diamine be selected from one or more of quadrol, propylene diamine, butanediamine, pentamethylene diamine, 2 methyl pentamethylenediamine, hexanediamine, heptamethylene diamine.
10. a daiamid composition that comprises the polyamide resin A described in claim 1 ~ 4 any one, percentage ratio meter by weight, comprises following component:
Polyamide resin A 31 ~ 99%;
Polyamide resin B 0 ~ 68%;
Mineral filler 0.8 ~ 40%;
Other auxiliary agent 0.2 ~ 1%;
Wherein, described polyamide resin B is 25 oc, the relative viscosity in 98% vitriol oil is 2.0-2.4; The amino value of end of described polyamide resin B is 20-60mol/t, and end carboxyl value is 70-130mol/t; In described polyamide resin B, the ratio that phenylformic acid accounts for repeating unit is 0.5-5mol%.
11. daiamid compositions according to claim 10, is characterized in that, described polyamide resin B, by mole% meter, is comprised of the repeating unit that contains following monomer:
Other dicarboxylic acid of the terephthalic acid of dicarboxylic acid: 80-100mol% and 0 ~ 20mol%;
The aliphatie diamine with 8-20 carbon atom of aliphatie diamine: 80-100mol% and other aliphatie diamines of 0 ~ 20mol%;
Wherein, described other dicarboxylic acid are selected from one or more of aliphatic dicarboxylic acid, m-phthalic acid, alicyclic dicarboxylic acid;
Described other aliphatie diamines are selected from one or more of aliphatie diamine with 2-7 carbon atom.
12. daiamid compositions according to claim 11, it is characterized in that, described aliphatic dicarboxylic acid is selected from one or more of oxalic acid, propanedioic acid, succinic acid, pentanedioic acid, hexanodioic acid, pimelic acid, suberic acid, 2-methyl suberic acid, nonane diacid, sebacic acid, undecandioic acid, 12 diacid, 13 diacid, 14 diacid.
13. daiamid compositions according to claim 11, it is characterized in that, described in there is 8-20 carbon atom aliphatie diamine be selected from one or more of octamethylenediamine, nonamethylene diamine, 2-methyl octamethylenediamine, decamethylene diamine, 11 diamines, 12 diamines, 13 diamines, 14 diamines, 15 diamines, 16 diamines, 17 diamines, 18 diamines, 19 diamines, two amino dodecanes.
14. daiamid compositions according to claim 11, is characterized in that, described in there is 2-7 carbon atom aliphatie diamine be selected from one or more of quadrol, propylene diamine, butanediamine, pentamethylene diamine, 2 methyl pentamethylenediamine, hexanediamine, heptamethylene diamine.
15. daiamid compositions according to claim 10, is characterized in that, described mineral filler be selected from titanium dioxide, nano zine oxide, talcous one or more; The particle diameter of described titanium dioxide is selected from 0.2-0.3um; Purity >=98% of described nano zine oxide, particle diameter is selected from 20-80 nm; Described talcous particle diameter is selected from 500-2000 order.
16. daiamid compositions according to claim 10, is characterized in that, described other auxiliary agent is selected from one or more of antioxidant, photostabilizer, flow ability modifying agent; Described antioxidant is selected from Hinered phenols antioxidant and/or phosphite ester kind antioxidant; Described photostabilizer is selected from one or more of benzophenone cpd, salicylate compound, azimidobenzene compound; Described flow ability modifying agent is selected from one or more of E wax, EBS, montanic acid sodium salt, hyperbranched polymer.
The preparation method of 17. 1 kinds of daiamid compositions as claimed in claim 10, it is characterized in that, comprise the steps: by polyamide resin A, polyamide resin B, mineral filler and other auxiliary agent be placed in high-speed mixer and mixing evenly after, by main spout, add in twin screw extruder, reinforcing filler is fed by side feeding scale side, 310 oc ~ 330 ounder C, extrude, cross water cooling, granulation obtains product after being also dried.
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CN104017204A (en) * 2014-05-20 2014-09-03 珠海万通化工有限公司 Polyamide resin and polyamide composition formed by same
CN104497304A (en) * 2014-12-17 2015-04-08 江门市优巨新材料有限公司 High-liquidity and high-temperature nylon resin, fiber-reinforced nylon and preparation method of nylon resin
CN104497305A (en) * 2014-12-17 2015-04-08 江门市优巨新材料有限公司 High-fluidity high-temperature nylon and preparation method thereof
CN104610739A (en) * 2015-01-21 2015-05-13 金发科技股份有限公司 Polyamide composition for reflective plate
CN105330848A (en) * 2015-11-30 2016-02-17 广东优巨先进材料研究有限公司 Synthetic method of copolymerized transparent polyamide
CN105330847A (en) * 2015-11-30 2016-02-17 广东优巨先进材料研究有限公司 Synthetic method of high-fluidity transparent polyamide
CN105348514A (en) * 2015-11-30 2016-02-24 广东优巨先进材料研究有限公司 Polyamide composite material capable of being used for 3D printing and preparation method thereof
CN105348519A (en) * 2015-11-30 2016-02-24 广东优巨先进材料研究有限公司 Transparent polyamide-based nanocomposite and synthetic method thereof
CN106866980A (en) * 2017-03-22 2017-06-20 中国科学院理化技术研究所 A kind of Semi-aromatic polyamide resin and preparation method thereof
CN108239281A (en) * 2016-12-27 2018-07-03 上海杰事杰新材料(集团)股份有限公司 A kind of branched high-temperature nylon and preparation method thereof
CN109627435A (en) * 2018-12-13 2019-04-16 沧州旭阳科技有限公司 A kind of method preparing permanent anti-static branched polyamide elastomer, by elastomer of this method preparation and application thereof
CN110423464A (en) * 2019-08-09 2019-11-08 重庆国际复合材料股份有限公司 A kind of fascia PA6 composite material and preparation method
CN116253872A (en) * 2021-12-10 2023-06-13 上海凯赛生物技术股份有限公司 High-temperature-resistant polyamide resin and preparation method thereof

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CN103642037A (en) * 2013-11-12 2014-03-19 金发科技股份有限公司 Polyamide resin and polyamide composition composed of same
CN104017204A (en) * 2014-05-20 2014-09-03 珠海万通化工有限公司 Polyamide resin and polyamide composition formed by same
CN104497304A (en) * 2014-12-17 2015-04-08 江门市优巨新材料有限公司 High-liquidity and high-temperature nylon resin, fiber-reinforced nylon and preparation method of nylon resin
CN104497305A (en) * 2014-12-17 2015-04-08 江门市优巨新材料有限公司 High-fluidity high-temperature nylon and preparation method thereof
CN104497305B (en) * 2014-12-17 2016-09-28 江门市优巨新材料有限公司 A kind of high fluidity high-temperature nylon and preparation method thereof
CN104610739A (en) * 2015-01-21 2015-05-13 金发科技股份有限公司 Polyamide composition for reflective plate
CN105348519A (en) * 2015-11-30 2016-02-24 广东优巨先进材料研究有限公司 Transparent polyamide-based nanocomposite and synthetic method thereof
CN105348514A (en) * 2015-11-30 2016-02-24 广东优巨先进材料研究有限公司 Polyamide composite material capable of being used for 3D printing and preparation method thereof
CN105330847A (en) * 2015-11-30 2016-02-17 广东优巨先进材料研究有限公司 Synthetic method of high-fluidity transparent polyamide
CN105330848A (en) * 2015-11-30 2016-02-17 广东优巨先进材料研究有限公司 Synthetic method of copolymerized transparent polyamide
CN108239281A (en) * 2016-12-27 2018-07-03 上海杰事杰新材料(集团)股份有限公司 A kind of branched high-temperature nylon and preparation method thereof
CN106866980A (en) * 2017-03-22 2017-06-20 中国科学院理化技术研究所 A kind of Semi-aromatic polyamide resin and preparation method thereof
CN109627435A (en) * 2018-12-13 2019-04-16 沧州旭阳科技有限公司 A kind of method preparing permanent anti-static branched polyamide elastomer, by elastomer of this method preparation and application thereof
CN109627435B (en) * 2018-12-13 2021-05-18 北京旭阳科技有限公司 Method for preparing permanent antistatic branched polyamide elastomer, elastomer prepared by method and application thereof
CN110423464A (en) * 2019-08-09 2019-11-08 重庆国际复合材料股份有限公司 A kind of fascia PA6 composite material and preparation method
CN116253872A (en) * 2021-12-10 2023-06-13 上海凯赛生物技术股份有限公司 High-temperature-resistant polyamide resin and preparation method thereof

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Application publication date: 20140319