CN109486134A - A kind of polyamide/polyester alloy that water boiling resistance is ageing-resistant - Google Patents
A kind of polyamide/polyester alloy that water boiling resistance is ageing-resistant Download PDFInfo
- Publication number
- CN109486134A CN109486134A CN201811430307.XA CN201811430307A CN109486134A CN 109486134 A CN109486134 A CN 109486134A CN 201811430307 A CN201811430307 A CN 201811430307A CN 109486134 A CN109486134 A CN 109486134A
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- Prior art keywords
- ageing
- polyamide
- water boiling
- boiling resistance
- polyester
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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
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- 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
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
A kind of polyamide/polyester alloy that water boiling resistance is ageing-resistant, the present invention relates to nylon formula technical fields；It is made of following weight percent composition: polyamide 20-45%, polyester 25-35%, reinforcing filler 30%, compatilizer 3%, antioxidant 0.2%, lubricant 0.2%.Pass through the polyamide of compound different proportion, polyester, in addition different proportion auxiliary agent is combined improved, its melt index is obviously improved, improve its processing fluidity, the performance of impact strength and tensile strength decline degree is smaller after boiling, preferable mechanical performance conservation rate is obtained, so that its water boiling resistance performance with higher, its anti-aging property also increases simultaneously, and practicability is stronger.
Description
Technical field
The present invention relates to nylon formula technical fields, and in particular to a kind of polyamide/polyester that water boiling resistance is ageing-resistant conjunction
Gold.
Background technique
Our common nylon are nylon 6 (PA6), nylon66 fiber (PA66), are a kind of crystalline thermoplastic materials.Nylon
Material is easy water suction, contains hydrophilic group (acylamino-).For crystalline polymer, in injection molding, cooling rapidly
So that material can not spontaneous nucleation sizing, to make material internal, there are stronger internal stress.Not by " tempering " processing
Nylon material, it is internal because macromolecular still can be intended to the movement of natural orientation, crystallization, this will lead to material after sizing
Internal stress is further exacerbated by.Therefore, nylon part its brittleness not Jing Guo boiling process is very big, when by external force, holds very much
It easily collapses and either be broken.
Nylon part is allowed to impregnate in certain water temperature, in the macromolecular for making it internal tending to natural orientation and reaching as far as possible
The crystallization in the portion balance brilliant with solution, to eliminate its internal stress, the toughness of nylon part is greatly enhanced, and brittleness substantially eliminates.By
Contain hydrophilic radical --- acylamino- group in nylon, after it causes nylon to be easy water suction, but nylon absorbs certain moisture, helps
The orientation and crystallization kinetics of portion's macromolecular in the inner.The optimum temperature of nylon part boiling and time: 90-100 DEG C, 2-3 hours.
Lower than 90 degree, effect is bad, and more than 3 hours, effect promoting was unobvious.
Summary of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of structure is simple, design rationally,
The ageing-resistant polyamide/polyester alloy of water boiling resistance easy to use, by the polyamide of compound different proportion, polyester, in addition not
Auxiliary agent is combined improved in proportion, and melt index is obviously improved, and improves its processing fluidity, impacts after boiling
The performance of intensity and tensile strength decline degree is smaller, preferable mechanical performance conservation rate is obtained, so that its is with higher resistance to
Boiling performance, while its anti-aging property also increases, practicability is stronger.
To achieve the above object, the technical solution adopted by the present invention is that: it is made of following weight percent composition: poly-
Amide 20-45%, polyester 25-35%, reinforcing filler 30%, compatilizer 3%, antioxidant 0.2%, lubricant 0.2%.
Further, the polyamide is one of PA6/PA66/PA46/PA10/PA610/PA12 or a variety of groups
Close, and the fusing point of the polyamide be not less than 220 DEG C, and be not higher than 320 DEG C, preferred melting temperature be 230 DEG C or
280 DEG C, above-mentioned fusing point be for the first time with the heating rate of 10 DEG C/min in differential scanning calorimeter (DSC) obtained fusing point,
The relative viscosity of above-mentioned polyamide is 2.9-2.35.
Further, the polyester is polyethylene terephthalate (PET), polybutylene terephthalate (PBT)
It is formed with one of linear thermoplastics' resin such as polyarylate or multiple combinations；Wherein the melt index of PET is 8g/10min-
9g/10min, the melt index measure under 250 DEG C, 2.16kg load-up condition.
Further, the compatilizer is ethylene-methyl methacrylate glycidyl ester copolymer, styrene-propene
One of nitrile-glycidyl methacrylate terpolymer, Styrene And Chloroalkyl Acrylates glycidyl ester copolymer are more
Kind is composed.
Further, the reinforcing filler is glass, and the fusing point of the glass is 550-700 DEG C, and tensile strength exists
It is 6.3~6.9g/d, 5.4~5.8g/d of moisture state under standard state.
Further, the antioxidant is mixture, the antioxidant 1098, antioxygen of antioxidant 1076 and irgasfos 168
One of agent 168, antioxidant 1076 or multiple combinations form；The fusing point of above-mentioned antioxidant is not less than 50 DEG C, and is not higher than
180℃。
Further, the lubricant is pentaerythritol stearate, pentaerythritol ester, polyethylene wax, the poly- second of oxidation
Alkene wax, stearate, ethylene acrylic acid co polymer, second two support one of bis-stearamides and its derivative or multiple combinations
It forms；The fusing point of above-mentioned lubricant is not less than 60 DEG C, and is not higher than 120 DEG C.
Further, the ageing-resistant polyamide/polyester alloy of the water boiling resistance also includes interface stability agent 0.1-
0.2%, toughener 0.2-0.5%.
Further, the toughener is block graft copolymers SEPG, polycaprolactone/polymethylacrylic acid diformazan
One or more of amino ethyl ester, poly hydroxy ethyl acrylate g-polycaprolactone are composed.
Further, the interface stability agent is one of nano-titanium dioxide, nano silica or both
It is composed.
Further, the average grain diameter of the interface stability agent is 600-700nm.
After adopting the above structure, the invention has the following beneficial effects: a kind of ageing-resistant polyamides of water boiling resistance of the present invention
Amine/polyester alloy, by the polyamide of compound different proportion, polyester, in addition different proportion auxiliary agent is combined improved, melting
Index is obviously improved, and improves its processing fluidity, and the performance of impact strength and tensile strength declines degree after boiling
It is smaller, preferable mechanical performance conservation rate is obtained, so that its water boiling resistance performance with higher, while its anti-aging property
Increase, practicability is stronger, and the present invention has structure simple, setting rationally, the advantages that low manufacture cost.
Specific embodiment
According to the composition proportion of such as the following table 1, carries out three embodiments and blank control sample matches,
Embodiment one:
The present embodiment the technical solution adopted is that: it is made of following weight percent composition: kymene 1.1%, poly-
It is ester 35%, reinforcing filler 30%, compatilizer 3%, antioxidant 0.2%, lubricant 0.2%, nano-titanium dioxide 0.2%, embedding
Section graft copolymer SEPG0.3%.
Further, the polyamide is PA6.
Further, the polyester is polyethylene terephthalate (PET), melt index 8g/10min.
Further, the compatilizer is Styrene And Chloroalkyl Acrylates glycidyl ester copolymer.
Further, the reinforcing filler is glass.
Further, the antioxidant is antioxidant 1098, irgasfos 168, antioxidant 1076 are composed.
Further, the lubricant is that second two supports bis-stearamides.
Further, the toughener is block graft copolymers SEPG, polycaprolactone/polymethylacrylic acid diformazan
One or more of amino ethyl ester, poly hydroxy ethyl acrylate g-polycaprolactone are composed.
Further, the interface stability agent is that one of nano silica or both is composed.
Further, the average grain diameter of the nano silica is 600-700nm.
After adopting the above structure, the present embodiment has the beneficial effect that a kind of water boiling resistance described in the present embodiment is ageing-resistant and gathers
Amide/polyester alloy, in addition different proportion auxiliary agent is combined improved, is melted by the polyamide of compound different proportion, polyester
Melt index to be obviously improved, improve its processing fluidity, the performance of impact strength and tensile strength declines journey after boiling
Degree is smaller, obtains preferable mechanical performance conservation rate, so that its water boiling resistance performance with higher, while its anti-aging property
Also it increases.
Embodiment two:
The present embodiment is made of following weight percent composition: kymene 3.3%, polyester 33%, reinforcing filler
30%, compatilizer 3%, antioxidant 0.2%, lubricant 0.2%, nano-titanium dioxide 0.1%, block graft copolymers
SEPG0.2%.
Further, the polyamide is PA6.
Further, the polyester is polyethylene terephthalate (PET), melt index 8g/10min.
Further, the compatilizer is ethylene-methyl methacrylate glycidyl ester copolymer.
Further, the reinforcing filler is glass.
Further, the antioxidant is the mixture of antioxidant 1076 and irgasfos 168.
Further, the lubricant is pentaerythritol stearate.
Further, the average grain diameter of the nano-titanium dioxide is 600nm.
Embodiment three:
The present embodiment is made of following weight percent composition: kymene 9.2%, polyester 27%, reinforcing filler
30%, compatilizer 3%, antioxidant 0.2%, lubricant 0.2%, nano-titanium dioxide 0.2%, block graft copolymers
SEPG0.2%.
Further, the polyamide is PA6.
Further, the polyester is polyethylene terephthalate (PET), melt index 8g/10min.
Further, the compatilizer is ethylene-methyl methacrylate glycidyl ester copolymer.
Further, the reinforcing filler is glass.
Further, the antioxidant is antioxidant 1098, irgasfos 168 is composed.
Further, the lubricant is pentaerythritol stearate.
Further, the average grain diameter of the nano-titanium dioxide is 700nm.
The performance of three embodiments and blank control sample is detected, table 2 is seen below:
Water boiling resistance performance evaluation:
According to ISO 527-1/2/3 and ISO 178, preparing dimensions by injection mold is length 150mm* width
The dumbbell shaped batten of 10mm* thickness 4mm does extension test, and preparation dimensions is length 80mm* width 10mm* thickness
The strip batten of 4mm does crooked test, and the tensile property before and after (23 DEG C) boiling and bending property are (every under room temperature for test
Group at least five tests Duplicate Samples).Boiling condition is that test bars are placed in 100 DEG C of water, boiling 3 hours, before boiling
Mechanical property compare, the boiling conservation rate of tensile strength and bending strength is calculated, and indicate with percent wise, by upper
Table it is found that after boiling the performance of impact strength and tensile strength decline degree it is smaller, obtain preferable mechanical performance conservation rate.
The above is only used to illustrate the technical scheme of the present invention and not to limit it, and those of ordinary skill in the art are to this hair
The other modifications or equivalent replacement that bright technical solution is made, as long as it does not depart from the spirit and scope of the technical scheme of the present invention,
It is intended to be within the scope of the claims of the invention.
Claims (10)
1. a kind of polyamide/polyester alloy that water boiling resistance is ageing-resistant, it is characterised in that: it is by following weight percent composition group
At: polyamide 20-45%, polyester 25-35%, reinforcing filler 30%, compatilizer 3%, antioxidant 0.2%, lubricant
0.2%.
2. a kind of ageing-resistant polyamide/polyester alloy of water boiling resistance according to claim 1, it is characterised in that: described
Polyamide is that one of PA6/PA66/PA46/PA10/PA610/PA12 or multiple combinations form.
3. a kind of ageing-resistant polyamide/polyester alloy of water boiling resistance according to claim 1, it is characterised in that: described
Polyester be one of linear thermoplastics' resin such as polyethylene terephthalate, polybutylene terephthalate and polyarylate or
Multiple combinations form.
4. a kind of ageing-resistant polyamide/polyester alloy of water boiling resistance according to claim 1, it is characterised in that: described
Compatilizer is ethylene-methyl methacrylate glycidyl ester copolymer, styrene-acrylonitrile-glycidyl methacrylate three
One of membered copolymer, Styrene And Chloroalkyl Acrylates glycidyl ester copolymer or multiple combinations form.
5. a kind of ageing-resistant polyamide/polyester alloy of water boiling resistance according to claim 1, it is characterised in that: described
Reinforcing filler is glass.
6. a kind of ageing-resistant polyamide/polyester alloy of water boiling resistance according to claim 1, it is characterised in that: described
Antioxidant is one of the mixture of antioxidant 1076 and irgasfos 168, antioxidant 1098, irgasfos 168, antioxidant 1076
Or multiple combinations form.
7. a kind of ageing-resistant polyamide/polyester alloy of water boiling resistance according to claim 1, it is characterised in that: described
Lubricant is pentaerythritol stearate, pentaerythritol ester, polyethylene wax, oxidized polyethylene wax, stearate, ethylene acrylic
Copolymer, second two support one of bis-stearamides and its derivative or multiple combinations form.
8. a kind of ageing-resistant polyamide/polyester alloy of water boiling resistance according to claim 1, it is characterised in that: it is also wrapped
The 0.1-0.2% of agent containing interface stability, toughener 0.2-0.5%.
9. a kind of ageing-resistant polyamide/polyester alloy of water boiling resistance according to claim 8, it is characterised in that: described
Toughener is block graft copolymers SEPG, polycaprolactone/polymethylacrylic acid dimethylaminoethyl, polymethylacrylic acid hydroxyl second
One or more of ester g-polycaprolactone is composed.
10. a kind of ageing-resistant polyamide/polyester alloy of water boiling resistance according to claim 8, it is characterised in that: described
Interface stability agent is that one of nano-titanium dioxide, nano silica or both are composed, and interface stability agent is put down
Equal partial size is 600-700nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811430307.XA CN109486134A (en) | 2018-11-28 | 2018-11-28 | A kind of polyamide/polyester alloy that water boiling resistance is ageing-resistant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811430307.XA CN109486134A (en) | 2018-11-28 | 2018-11-28 | A kind of polyamide/polyester alloy that water boiling resistance is ageing-resistant |
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| CN109486134A true CN109486134A (en) | 2019-03-19 |
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| CN201811430307.XA Pending CN109486134A (en) | 2018-11-28 | 2018-11-28 | A kind of polyamide/polyester alloy that water boiling resistance is ageing-resistant |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110452511A (en) * | 2019-08-23 | 2019-11-15 | 南京茂宇医疗器械科技有限公司 | A kind of low temperature shape memory high molecule material and preparation method thereof |
| CN111647268A (en) * | 2020-07-22 | 2020-09-11 | 宁波金雨科技实业有限公司 | Polyamide spray sheet material and preparation method thereof |
| CN112936918A (en) * | 2021-01-26 | 2021-06-11 | 中车青岛四方车辆研究所有限公司 | Nylon lining post-treatment process |
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| CN103304985A (en) * | 2012-03-07 | 2013-09-18 | 金发科技股份有限公司 | High-strength and high-toughness polyamide/polyester alloy, preparation method and application thereof |
| CN105199374A (en) * | 2015-09-25 | 2015-12-30 | 金发科技股份有限公司 | Heat-aging-resistant hydrolysis-resistant polyamide/polypropylene alloy |
| CN107227002A (en) * | 2016-03-23 | 2017-10-03 | 合肥杰事杰新材料股份有限公司 | A kind of high glowing filament ignition temperature, high CTI fiber glass reinforced PBTs/PA alloy materials and preparation method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1887959A (en) * | 2006-08-03 | 2007-01-03 | 上海交通大学 | Process of preparing engineering plastics with recovered polyethylene terephthalate |
| CN103304985A (en) * | 2012-03-07 | 2013-09-18 | 金发科技股份有限公司 | High-strength and high-toughness polyamide/polyester alloy, preparation method and application thereof |
| CN105199374A (en) * | 2015-09-25 | 2015-12-30 | 金发科技股份有限公司 | Heat-aging-resistant hydrolysis-resistant polyamide/polypropylene alloy |
| CN107227002A (en) * | 2016-03-23 | 2017-10-03 | 合肥杰事杰新材料股份有限公司 | A kind of high glowing filament ignition temperature, high CTI fiber glass reinforced PBTs/PA alloy materials and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110452511A (en) * | 2019-08-23 | 2019-11-15 | 南京茂宇医疗器械科技有限公司 | A kind of low temperature shape memory high molecule material and preparation method thereof |
| CN111647268A (en) * | 2020-07-22 | 2020-09-11 | 宁波金雨科技实业有限公司 | Polyamide spray sheet material and preparation method thereof |
| CN111647268B (en) * | 2020-07-22 | 2022-10-21 | 宁波金雨科技实业有限公司 | Polyamide spray sheet material and preparation method thereof |
| CN112936918A (en) * | 2021-01-26 | 2021-06-11 | 中车青岛四方车辆研究所有限公司 | Nylon lining post-treatment process |
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Application publication date: 20190319 |