CN105111696A - Flame-retardant reinforced PET (polyethylene terephthalate) composition and preparation method thereof - Google Patents
Flame-retardant reinforced PET (polyethylene terephthalate) composition and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a flame-retardant reinforced PET (polyethylene terephthalate) composition and a preparation method thereof. The invention is characterized in that the flame-retardant reinforced PET composition is prepared from the following raw materials in parts by weight: 100-110 parts of PET resin, 60-70 parts of glass fiber, 10-20 parts of flame retardant, 5-10 parts of flame-retardant synergist, 2-6 parts of toughener and 0.5-1 part of assistant. According to the flame-retardant reinforced PET composition, the flame retardant and flame-retardant synergist are added to enhance the flame retardancy of the PET resin. Compared with the pure PET resin, the flame-retardant reinforced PET composition has higher flame retardancy. The glass fibers are added to enhance the hardness and temperature resistance of the PET resin. Compared with the pure PET resin, the flame-retardant reinforced PET composition has higher hardness and temperature resistance.
Description
Technical field
The present invention relates to polymer-function material technical field, specifically a kind of flame-retardant strengthening polythylene terephthalate (PET) composition and method of making the same.
Background technology
Polyethylene terephthalate (polyethyleneterephthalate), is called for short PET, by ethylene glycol terephthalate generation dehydration condensation
PET resin has excellent mechanical property, heat-resistant aging, solvent resistance, insulating property and certain anti-flame retardant resistance, manufactures the ideal material of electronics, electric parts.But under some specific occasion, the flame retardant resistance of PET resin seems comparatively not enough.
Summary of the invention
Based on this, be necessary to provide a kind of flame-retardant strengthening polythylene terephthalate (PET) composition with stronger flame retardant resistance.
The technical scheme that the present invention solve the technical problem is, design a kind of flame-retardant strengthening polythylene terephthalate (PET) composition, it is characterized in that, raw materials component and weight fraction thereof are: the PET resin of 100 parts ~ 110 parts, the glass fibre of 60 parts ~ 70 parts, the fire retardant of 10 parts ~ 20 parts, the fire retarding synergist of 5 parts ~ 10 parts, the toughner of 2 parts ~ 6 parts and the auxiliary agent of 0.5 ~ 1 part.
Preferential, described PET resin is particulate state.
Preferential, described glass fibre is alkali free glass fibre.
Preferential, described fire retardant is selected from least one in TDE and brominated epoxy resin.
Preferential, described fire retarding synergist is selected from least one in antimonous oxide and antimony peroxide.
Preferential, described toughner is selected from least one in ethylene-acrylate-glycidyl methacrylate and vinylformic acid bifunctional glyceride polymkeric substance.
Preferential, described auxiliary agent is selected from least one in oxidation inhibitor and flow promotor.
Preferential, described oxidation inhibitor is selected from MC-01 (two [4-(1,1,3,3 tetramethyl butyl benzene)] amine) and 168 (three (2,4-di-tert-butyl-phenyl) phosphorous acid ester) at least one, described flow promotor is selected from least one in EBS (ethylenebisstearamide) and PE wax (polyethylene wax).
Further, the invention provides a kind of flame-retardant strengthening polythylene terephthalate (PET) preparation method of composition, it is characterized in that, adopt above-mentioned raw materials component and weight fraction thereof and following operation steps: pour each component except glass fibre getting material ready into stirrer and stir, and be placed in twin screw extruder, screw speed 350Hz, set temperature is: 240 DEG C, a district, 240 DEG C, 2nd district, 230 DEG C, 3rd district, 230 DEG C, 4th district, 220 DEG C, 5th district, extrude, adding fine hole place at screw rod adds glass fibre by weight proportion simultaneously, granulation, obtains described flame-retardant strengthening polythylene terephthalate (PET) composition.
Compared with prior art, its beneficial effect is in the present invention: flame-retardant strengthening polythylene terephthalate (PET) composition of the present invention, by adding fire retardant and fire retarding synergist, enhances the flame retardant resistance of PET resin.Relative to pure PET resin, this flame-retardant strengthening polythylene terephthalate (PET) composition has stronger flame retardant resistance.
Embodiment
Mainly in conjunction with specific embodiments flame-retardant strengthening polythylene terephthalate (PET) composition and method of making the same is described in further detail below.
A kind of flame-retardant strengthening polythylene terephthalate (PET) composition of the present invention, it is characterized in that, raw materials component and weight fraction thereof are: the PET resin of 100 parts ~ 110 parts, the glass fibre of 60 parts ~ 70 parts, the fire retardant of 10 parts ~ 20 parts, the fire retarding synergist of 5 parts ~ 10 parts, the toughner of 2 parts ~ 6 parts and the auxiliary agent of 0.5 ~ 1 part.
PET resin is tough and tensile engineering thermoplastic material, there are extraordinary chemical stability, physical strength, electrical insulation characteristics and thermostability, under very wide envrionment conditions, have good stability.
Described PET resin is particulate state.
Glass fibre is used for the mechanical property of REINFORCED PET resin.
Described glass fibre is alkali free glass fibre.Alkali free glass fibre is compared medium-alkali glass fibre and is not only had more high strength, in environmental protection also advantageously.
Fire retardant can be added by mechanical mix techniques, makes flame-retardant strengthening polythylene terephthalate (PET) composition have flame retardant resistance.
Described fire retardant is selected from least one in TDE and brominated epoxy resin.TDE can make the PET resin of original flame retardant properties difference reach higher flame retardant resistance.
Fire retarding synergist plays coordinate performance, improves the effect of flame retardant effect.
In present embodiment, fire retarding synergist is selected from least one in antimonous oxide and antimony peroxide.Antimonous oxide and TDE or brominated epoxy resin are with the use of reaching better flame retardant resistance.
Toughner refers to can increase the flexible material of sizing agent rete.
In present embodiment, toughner is selected from least one in ethylene-acrylate-glycidyl methacrylate (8900) and vinylformic acid bifunctional glyceride polymkeric substance (B-02).Ethylene-acrylate-glycidyl methacrylate (8900) can improve the toughness of this blend compositions, makes composition can not be too crisp.
Auxiliary agent is selected from least one in oxidation inhibitor and flow promotor.
Oxidation inhibitor is selected from MC-01 (two [4-(1,1,3,3 tetramethyl butyl benzene)] amine) and 168 (three (2,4-di-tert-butyl-phenyl) phosphorous acid ester) at least one, flow promotor is selected from least one in EBS (ethylenebisstearamide) and PE wax (polyethylene wax).
MC-01 can improve the oxidation-resistance of this composition, thus improves the work-ing life of product.
EBS can improve the oilness of this composition, thus when injection moulding, is not easy sticking mould.
This flame-retardant strengthening polythylene terephthalate (PET) composition, by adding fire retardant and fire retarding synergist, enhances the flame retardant resistance of PET resin.Relative to pure PET resin, this flame-retardant strengthening polythylene terephthalate (PET) composition has stronger flame retardant resistance.
A kind of flame-retardant strengthening polythylene terephthalate (PET) preparation method of composition, it is characterized in that, adopt above-mentioned raw materials component and weight fraction thereof and following operation steps: pour each component except glass fibre getting material ready into stirrer and stir, and be placed in twin screw extruder, screw speed 350Hz, set temperature is: 240 DEG C, a district, 240 DEG C, 2nd district, 230 DEG C, 3rd district, 230 DEG C, 4th district, 220 DEG C, 5th district, extrude, adding fine hole place at screw rod adds glass fibre by weight proportion simultaneously, granulation, obtains described flame-retardant strengthening polythylene terephthalate (PET) composition.
Be specific embodiment below.
Embodiment 1
The raw materials component proportion of according to the form below is got the raw materials ready.
Raw materials component proportion in table 1 embodiment 1.
| PET | 100KG |
| Glass fibre (strange U.S. 2400) | 65KG |
| Brominated epoxy resin | 15KG |
| Antimonous oxide | 6KG |
| Toughner 8900 | 4KG |
| Oxidation inhibitor MC-01 | 0.2KG |
| Lubricant PE wax | 0.4KG |
Pour each component except glass fibre getting material ready into stirrer to stir, and be placed in twin screw extruder, screw speed 350Hz, set temperature is: 240 DEG C, a district, 240 DEG C, 2nd district, 230 DEG C, 3rd district, 230 DEG C, 4th district, 220 DEG C, 5th district, extrude, adding fine hole place at screw rod adds glass fibre, granulation by weight proportion simultaneously, obtains required flame-retardant strengthening polythylene terephthalate (PET) composition.
The flame-retardant strengthening polythylene terephthalate (PET) composition obtained to embodiment 1 is tested, and obtains the performance test results as follows.
The performance test results of the flame-retardant strengthening polythylene terephthalate (PET) composition that table 2 embodiment 1 is obtained.
Can be found out by upper table, the flame retardant properties of the flame-retardant strengthening polythylene terephthalate (PET) composition that embodiment 1 is obtained is better.
Embodiment 2
The raw materials component proportion of according to the form below is got the raw materials ready.
Raw materials component proportion in table 3 embodiment 2.
| PET | 110KG |
| Glass fibre (strange U.S. 2400) | 65KG |
| The stupid ethane of ten bromines two | 14KG |
| Antimonous oxide | 6KG |
| Toughner B-02 | 4KG |
| Irgasfos 168 | 0.3KG |
| Lubricate EBS | 0.5KG |
Pour each component except glass fibre getting material ready into stirrer to stir, and be placed in twin screw extruder, screw speed 350Hz, set temperature is: 240 DEG C, a district, 240 DEG C, 2nd district, 230 DEG C, 3rd district, 230 DEG C, 4th district, 220 DEG C, 5th district, extrude, adding fine hole place at screw rod adds glass fibre, granulation by weight proportion simultaneously, obtains required flame-retardant strengthening polythylene terephthalate (PET) composition.
The flame-retardant strengthening polythylene terephthalate (PET) composition obtained to embodiment 2 is tested, and obtains the performance test results as follows.
The performance test results of the flame-retardant strengthening polythylene terephthalate (PET) composition that table 4 embodiment 2 is obtained.
Can be found out by upper table, the flame retardant properties of the flame-retardant strengthening polythylene terephthalate (PET) composition that embodiment 2 is obtained is better.
Embodiment 3
The raw materials component proportion of according to the form below is got the raw materials ready.
Raw materials component proportion in table 5 embodiment 3.
| PET | 100KG |
| Glass fibre (strange U.S. 2400) | 70KG |
| Brominated epoxy resin | 16KG |
| Antimony peroxide | 6KG |
| Toughner 8900 | 5KG |
| Irgasfos 168 | 0.1KG |
| Lubricant PE wax | 0.6KG |
Pour each component except glass fibre getting material ready into stirrer to stir, and be placed in twin screw extruder, screw speed 350Hz, set temperature is: 240 DEG C, a district, 240 DEG C, 2nd district, 230 DEG C, 3rd district, 230 DEG C, 4th district, 220 DEG C, 5th district, extrude, adding fine hole place at screw rod adds glass fibre, granulation by weight proportion simultaneously, obtains required flame-retardant strengthening polythylene terephthalate (PET) composition.
The flame-retardant strengthening polythylene terephthalate (PET) composition obtained to embodiment 3 is tested, and obtains the performance test results as follows.
The performance test results of the flame-retardant strengthening polythylene terephthalate (PET) composition that table 6 embodiment 3 is obtained.
Can be found out by upper table, the flame retardant properties of the flame-retardant strengthening polythylene terephthalate (PET) composition that embodiment 3 is obtained is better.
Comparative example 1
The raw materials component proportion of according to the form below is got the raw materials ready.
Raw materials component proportion in table 7 comparative example 1.
| PET | 100KG |
| Toughner 8900 | 4KG |
| Brominated epoxy resin | 15KG |
| Antimonous oxide | 6KG |
| Oxidation inhibitor MC-01 | 0.2KG |
| Lubricant PE wax | 0.4KG |
Pour each component except glass fibre getting material ready into stirrer to stir, and be placed in twin screw extruder, screw speed 350Hz, set temperature is: 240 DEG C, a district, 240 DEG C, 2nd district, 230 DEG C, 3rd district, 230 DEG C, 4th district, 220 DEG C, 5th district, extrude, granulation, obtains required flame-retardant strengthening polythylene terephthalate (PET) composition.
The flame-retardant strengthening polythylene terephthalate (PET) composition obtained to comparative example 1 is tested, and obtains the performance test results as follows.
The performance test results of the flame-retardant strengthening polythylene terephthalate (PET) composition that table 8 comparative example 1 is obtained.
Compared with embodiment 1 ~ 3, do not have glass fibre in the formula of comparative example 1, the tensile strength of the Flame-retardant PET composition that Comparative result example 1 is obtained, flexural strength, heat-drawn wire significantly reduces.Illustrate that glass fibre has significant help to the hardness of flame-retardant strengthening polythylene terephthalate (PET) composition and heatproof aspect.
Comparative example 2
The raw materials component proportion of according to the form below is got the raw materials ready.
Raw materials component proportion in table 9 comparative example 2
| PET | 110KG |
| Glass fibre (strange U.S. 2400) | 65KG |
| Brominated epoxy resin | 20KG |
| Toughner 8900 | 4KG |
| Oxidation inhibitor MC-01 | 0.2KG |
| Lubricant PE wax | 0.4KG |
Pour each component except glass fibre getting material ready into stirrer to stir, and be placed in twin screw extruder, screw speed 350Hz, set temperature is: 240 DEG C, a district, 240 DEG C, 2nd district, 230 DEG C, 3rd district, 230 DEG C, 4th district, 220 DEG C, 5th district, extrude, adding fine hole place at screw rod adds glass fibre, granulation by weight proportion simultaneously, obtains required flame-retardant strengthening polythylene terephthalate (PET) composition.
The flame-retardant strengthening polythylene terephthalate (PET) composition obtained to comparative example 2 is tested, and obtains the performance test results as follows.
The performance test results of the flame-retardant strengthening polythylene terephthalate (PET) composition that table 10 comparative example 2 is obtained.
Compared with embodiment 1 ~ 3, do not have fire retarding synergist in the formula of comparative example 2, the flame retardant resistance of the flame-retardant strengthening polythylene terephthalate (PET) composition that Comparative result example 2 is obtained can only reach V1.Illustrate that there is significant help the fire-retardant aspect of fire retarding synergist to flame-retardant strengthening polythylene terephthalate (PET) composition.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (9)
1. a flame-retardant strengthening polythylene terephthalate (PET) composition, it is characterized in that, raw materials component and weight fraction thereof are: the PET resin of 100 parts ~ 110 parts, the glass fibre of 60 parts ~ 70 parts, the fire retardant of 10 parts ~ 20 parts, the fire retarding synergist of 5 parts ~ 10 parts, the toughner of 2 parts ~ 6 parts and the auxiliary agent of 0.5 ~ 1 part.
2. flame-retardant strengthening polythylene terephthalate (PET) composition as claimed in claim 1, it is characterized in that, described PET resin is particulate state.
3. flame-retardant strengthening polythylene terephthalate (PET) composition as claimed in claim 1, it is characterized in that, described glass fibre is alkali free glass fibre.
4. flame-retardant strengthening polythylene terephthalate (PET) composition as claimed in claim 1, it is characterized in that, described fire retardant is selected from least one in TDE and brominated epoxy resin.
5. flame-retardant strengthening polythylene terephthalate (PET) composition as claimed in claim 1, it is characterized in that, described fire retarding synergist is selected from least one in antimonous oxide and antimony peroxide.
6. flame-retardant strengthening polythylene terephthalate (PET) composition as claimed in claim 1, it is characterized in that, described toughner is selected from least one in ethylene-acrylate-glycidyl methacrylate and vinylformic acid bifunctional glyceride polymkeric substance.
7. flame-retardant strengthening polythylene terephthalate (PET) composition as claimed in claim 1, it is characterized in that, described auxiliary agent is selected from least one in oxidation inhibitor and flow promotor.
8. flame-retardant strengthening polythylene terephthalate (PET) composition as claimed in claim 1, it is characterized in that, described oxidation inhibitor is selected from two [4-(1,1,3,3 tetramethyl butyl benzene)] at least one in amine and three (2,4-di-tert-butyl-phenyl) phosphorous acid ester, described flow promotor is selected from least one in ethylenebisstearamide and polyethylene wax.
9. a flame-retardant strengthening polythylene terephthalate (PET) preparation method of composition, it is characterized in that, adopt the raw materials component described in any one of claim 1-8 and weight fraction thereof and following operation steps: pour each component except glass fibre getting material ready into stirrer and stir, and be placed in twin screw extruder, screw speed 350Hz, set temperature is: 240 DEG C, a district, 240 DEG C, 2nd district, 230 DEG C, 3rd district, 230 DEG C, 4th district, 220 DEG C, 5th district, extrude, adding fine hole place at screw rod adds glass fibre by weight proportion simultaneously, granulation, obtains described flame-retardant strengthening polythylene terephthalate (PET) composition.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109553937A (en) * | 2018-12-07 | 2019-04-02 | 裘国良 | A kind of high-speed rail railway carriage glass fiber reinforcement PET material and preparation method thereof |
| CN110016210A (en) * | 2019-04-17 | 2019-07-16 | 余姚中国塑料城塑料研究院 | A kind of Flame-retardant PET strap and preparation method thereof |
| CN114213812A (en) * | 2021-11-15 | 2022-03-22 | 佛山市鑫塑新材料科技有限公司 | PET flame-retardant material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109553937A (en) * | 2018-12-07 | 2019-04-02 | 裘国良 | A kind of high-speed rail railway carriage glass fiber reinforcement PET material and preparation method thereof |
| CN110016210A (en) * | 2019-04-17 | 2019-07-16 | 余姚中国塑料城塑料研究院 | A kind of Flame-retardant PET strap and preparation method thereof |
| CN114213812A (en) * | 2021-11-15 | 2022-03-22 | 佛山市鑫塑新材料科技有限公司 | PET flame-retardant material and preparation method thereof |
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Application publication date: 20151202 |