CN117487331A - Flame-retardant polyester slice and application thereof - Google Patents
Flame-retardant polyester slice and application thereof Download PDFInfo
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- CN117487331A CN117487331A CN202311447884.0A CN202311447884A CN117487331A CN 117487331 A CN117487331 A CN 117487331A CN 202311447884 A CN202311447884 A CN 202311447884A CN 117487331 A CN117487331 A CN 117487331A
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- Prior art keywords
- antioxidant
- flame
- flame retardant
- polyester chip
- retardant polyester
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- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 81
- 239000003063 flame retardant Substances 0.000 title claims abstract description 81
- 229920000728 polyester Polymers 0.000 title claims abstract description 76
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 25
- 239000002994 raw material Substances 0.000 claims abstract description 19
- 239000003963 antioxidant agent Substances 0.000 claims description 22
- 230000003078 antioxidant effect Effects 0.000 claims description 22
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims description 14
- 239000000314 lubricant Substances 0.000 claims description 12
- 238000001125 extrusion Methods 0.000 claims description 6
- -1 polyethylene Polymers 0.000 claims description 6
- ZQBAKBUEJOMQEX-UHFFFAOYSA-N salicylic acid phenyl ester Natural products OC1=CC=CC=C1C(=O)OC1=CC=CC=C1 ZQBAKBUEJOMQEX-UHFFFAOYSA-N 0.000 claims description 6
- 238000000071 blow moulding Methods 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 4
- 238000001746 injection moulding Methods 0.000 claims description 4
- 238000009987 spinning Methods 0.000 claims description 4
- UAUDZVJPLUQNMU-UHFFFAOYSA-N Erucasaeureamid Natural products CCCCCCCCC=CCCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-UHFFFAOYSA-N 0.000 claims description 3
- OKOBUGCCXMIKDM-UHFFFAOYSA-N Irganox 1098 Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)NCCCCCCNC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 OKOBUGCCXMIKDM-UHFFFAOYSA-N 0.000 claims description 3
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 3
- BEIOEBMXPVYLRY-UHFFFAOYSA-N [4-[4-bis(2,4-ditert-butylphenoxy)phosphanylphenyl]phenyl]-bis(2,4-ditert-butylphenoxy)phosphane Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(C=1C=CC(=CC=1)C=1C=CC(=CC=1)P(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C BEIOEBMXPVYLRY-UHFFFAOYSA-N 0.000 claims description 3
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 3
- 239000012964 benzotriazole Substances 0.000 claims description 3
- 239000006229 carbon black Substances 0.000 claims description 3
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Natural products C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 claims description 3
- UAUDZVJPLUQNMU-KTKRTIGZSA-N erucamide Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-KTKRTIGZSA-N 0.000 claims description 3
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 claims description 3
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 claims description 3
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical compound CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 claims description 3
- FATBGEAMYMYZAF-UHFFFAOYSA-N oleicacidamide-heptaglycolether Natural products CCCCCCCCC=CCCCCCCCC(N)=O FATBGEAMYMYZAF-UHFFFAOYSA-N 0.000 claims description 3
- DXGLGDHPHMLXJC-UHFFFAOYSA-N oxybenzone Chemical compound OC1=CC(OC)=CC=C1C(=O)C1=CC=CC=C1 DXGLGDHPHMLXJC-UHFFFAOYSA-N 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 238000002156 mixing Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002671 adjuvant Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 235000014171 carbonated beverage Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000012438 extruded product Nutrition 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/53—Phosphorus bound to oxygen bound to oxygen and to carbon only
- C08K5/5313—Phosphinic compounds, e.g. R2=P(:O)OR'
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention also discloses an application of the flame-retardant polyester chip, wherein the flame-retardant polyester chip comprises 94% -98.7% of polyester raw materials, 0.8% -5% of flame retardant T-DOPO and 0.5% -1% of auxiliary agent. The flame-retardant polyester chip at least reaches the B1-level flame-retardant standard, and can be applied to products with flame-retardant requirements.
Description
Technical Field
The invention belongs to the technical field of materials, and particularly relates to a flame-retardant polyester chip and application thereof.
Background
Polyester chips generally refer to polyester raw materials obtained by polymerization and are generally processed into sheet-shaped particles with the thickness of about 4 mm to about 5 mm, and the sheet-shaped particles have good comprehensive properties such as chemical property, physical property and the like, are low in cost, are widely used for bottle-grade polyester (widely used for packaging various beverages, particularly carbonated beverages), polyester film (mainly used for packaging materials, films, magnetic tapes and the like) and polyester for chemical fibers, and generally have certain flame retardant property, but do not meet the continuously improved flame retardant requirement of the existing products, so that the polyester chip materials are required to be improved to further improve the flame retardant property of the polyester chip materials, and the polyester chip can be suitable for more scenes and products.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a flame-retardant polyester chip, wherein the flame-retardant polyester chip at least reaches the B1-level flame-retardant standard, the flame-retardant property of the polyester chip and related products is improved, and the flame-retardant polyester chip can be applied to products with flame-retardant requirements, such as injection molding products, spinning products, casting products, extrusion products and blow molding products.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows:
a flame-retardant polyester chip comprises a polyester raw material, a flame retardant T-DOPO and an auxiliary agent, wherein the content of the polyester raw material is 94% -98.7%, the content of the flame retardant T-DOPO is 0.8% -5%, and the content of the auxiliary agent is 0.5% -1%.
In a further aspect of the present invention, the polyester material is at least one of PET, PBT, PETG, PCTG.
In a further aspect of the present invention, the auxiliary agent includes at least one of a lubricant, an antioxidant, and an ultraviolet absorber.
In a further aspect of the invention, the auxiliary agent comprises a lubricant, wherein the lubricant is at least one of ethylene bis stearamide, oleamide, erucamide, polyethylene wax, fischer-Tropsch wax and alkyl diphenyl ether oil.
In a further scheme of the invention, the auxiliary agent comprises an antioxidant, wherein the antioxidant is at least one of an antioxidant 168, an antioxidant 1010, an antioxidant 1076, an antioxidant 1098, an antioxidant 1216, an antioxidant 1330 and an antioxidant PEPQ.
In a further aspect of the present invention, the auxiliary agent includes an ultraviolet absorber, and the ultraviolet absorber is at least one of phenyl o-hydroxybenzoate, benzotriazole, carbon black, and 2-hydroxy-4-methoxybenzophenone.
In a further aspect of the present invention, the auxiliary agent includes a lubricant, an antioxidant and an ultraviolet absorber, wherein the lubricant is 0.15% -0.3%, the antioxidant is 0.15% -0.3%, and the ultraviolet absorber is 0.2% -0.4%.
In a further aspect of the invention, the flame retardant polyester chip at least meets the B1 grade flame retardant standard.
In a further aspect of the present invention, the flame retardant T-DOPO has the following structure:
the use of flame retardant polyester chips for injection molded products, spun products, cast products, extruded products, blow molded products.
The beneficial effects of the invention are as follows:
the flame-retardant polyester chip at least reaches the B1-level flame-retardant standard, improves the flame retardant property of the polyester chip and related products, and can be applied to products with flame retardant requirements, such as injection molding products, spinning products, casting products, extrusion products and blow molding products.
Detailed Description
The following detailed description of the present invention will provide further details in order to make the above-mentioned objects, features and advantages of the present invention more comprehensible. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.
The flame-retardant polyester chip comprises a polyester raw material, a flame retardant T-DOPO and an auxiliary agent, wherein the content of the polyester raw material is 94% -98.7%, the content of the flame retardant T-DOPO is 0.8% -5%, and the content of the auxiliary agent is 0.5% -1%.
In some embodiments of the invention, the polyester material is at least one of PET, PBT, PETG, PCTG.
In some embodiments of the invention, the auxiliary agent includes at least one of a lubricant, an antioxidant, and an ultraviolet absorber.
In some embodiments of the invention, the adjuvant includes a lubricant that is at least one of ethylene bis stearamide, oleamide, erucamide, polyethylene wax, fischer-tropsch wax, alkyl diphenyl ether oil.
In some embodiments of the invention, the adjunct includes an antioxidant that is at least one of antioxidant 168, antioxidant 1010, antioxidant 1076, antioxidant 1098, antioxidant 1216, antioxidant 1330, antioxidant PEPQ.
In some embodiments of the invention, the auxiliary agent comprises an ultraviolet absorber, the ultraviolet absorber being at least one of phenyl o-hydroxybenzoate, benzotriazole, carbon black, 2-hydroxy-4-methoxybenzophenone.
In some embodiments of the present invention, the auxiliary agent includes a lubricant in an amount of 0.15% to 0.3%, an antioxidant in an amount of 0.15% to 0.3%, and an ultraviolet absorber in an amount of 0.2% to 0.4%.
In some embodiments of the invention, the flame retardant polyester chips meet at least the B1 class flame retardant standard.
In some embodiments of the invention, the flame retardant T-DOPO has the following structure:
the application of the flame-retardant polyester chip is that the flame-retardant polyester chip is used for injection molding products, spinning products, casting products, extrusion products and blow molding products, and the flame-retardant polyester chip has wide application range.
First embodiment
The preparation method of the flame-retardant polyester chip comprises the following steps:
step one: adding a flame retardant T-DOPO and an auxiliary agent into the high-speed mixer, wherein the mixing time is 5min, and obtaining a mixture I.
Step two: adding the polyester raw material into a high-speed mixer, and mixing the mixture I in the step I and the polyester raw material in the high-speed mixer for 10min to obtain a mixture II.
Step three: and (3) carrying out melt blending extrusion on the mixture obtained in the step (II) through a double-screw extruder, cooling and slicing to obtain the flame-retardant polyester slice, wherein the screw speed of the double-screw extruder is 300rpm, and the vacuum degree is 0.5Kgf/cm 2 The temperature of the first area is 250 ℃, the temperature of the second area is 255 ℃, the temperature of the third area is 260 ℃, and the temperature of the fourth area is265 ℃, 270 ℃ in five regions, 270 ℃ in six regions and 265 ℃ in seven regions.
The content of polyester raw material (PET) is 94%, the content of flame retardant T-DOPO is 5%, the content of auxiliary agent (lubricant-ethylene bis stearamide) is 0.3%, the content of antioxidant-antioxidant 1076 is 0.3%, the content of ultraviolet absorber-phenyl o-hydroxybenzoate is 0.4%) is 1%, the flame retardant grade of the flame-retardant polyester chip is B1, and the limiting oxygen index is 34.2%.
Second embodiment
The method for preparing the flame-retardant polyester chip is the same as that of the first embodiment, and the discussion is not repeated, except that:
the content of the polyester raw material (PET) is 95%, the content of the flame retardant T-DOPO is 4%, the content of the auxiliary agent (lubricant-ethylene bis stearamide) is 0.3%, the content of the antioxidant-antioxidant 1076 is 0.3%, the content of the ultraviolet absorber-phenyl o-hydroxybenzoate is 0.4%) is 1%, the flame retardant grade of the flame-retardant polyester chip is B1, and the limiting oxygen index is 33.3%.
Third embodiment
The method for preparing the flame-retardant polyester chip is the same as that of the first embodiment, and the discussion is not repeated, except that:
the content of polyester raw material (PET) is 96%, the content of flame retardant T-DOPO is 3%, the content of auxiliary agent (lubricant-ethylene bis stearamide is 0.3%, the content of antioxidant-antioxidant 1076 is 0.3%, the content of ultraviolet absorber-phenyl o-hydroxybenzoate is 0.4%) is 1%, the flame retardant grade of the flame-retardant polyester chip is B1, and the limiting oxygen index is 31.6%.
Fourth embodiment
The method for preparing the flame-retardant polyester chip is the same as that of the first embodiment, and the discussion is not repeated, except that:
the content of polyester raw material (PET) is 97%, the content of flame retardant T-DOPO is 2%, the content of auxiliary agent (lubricant-ethylene bis stearamide is 0.3%, the content of antioxidant-antioxidant 1076 is 0.3%, the content of ultraviolet absorber-phenyl o-hydroxybenzoate is 0.4%) is 1%, the flame retardant grade of the flame-retardant polyester chip is B1, and the limiting oxygen index is 29.8%.
Fifth embodiment
The method for preparing the flame-retardant polyester chip is the same as that of the first embodiment, and the discussion is not repeated, except that:
the content of the polyester raw material (PET) is 98.2%, the content of the flame retardant T-DOPO is 0.8%, the content of the auxiliary agent (lubricant-ethylene bis stearamide is 0.3%, the content of the antioxidant-antioxidant 1076 is 0.3%, the content of the ultraviolet absorber-o-hydroxybenzoic acid phenyl ester is 0.4%) is 1%, the flame retardant grade of the flame-retardant polyester chip is B1, and the limiting oxygen index is 27.2%.
Comparative example
A preparation method of the polyester chip comprises the following steps:
step one: adding the polyester raw material and the auxiliary agent into a high-speed mixer, and mixing for 10min to obtain a mixture.
Step two: and (3) carrying out melt blending extrusion on the mixture obtained in the step (I) through a double-screw extruder, cooling and slicing to obtain the polyester slice, wherein the screw speed of the double-screw extruder is 300rpm, and the vacuum degree is 0.5Kgf/cm 2 The first zone temperature is 250 ℃, the second zone temperature is 255 ℃, the third zone temperature is 260 ℃, the fourth zone temperature is 265 ℃, the fifth zone temperature is 270 ℃, the sixth zone temperature is 270 ℃, and the seventh zone temperature is 265 ℃.
The content of the polyester raw material (PET) is 99%, the content of the auxiliary agent (lubricant-ethylene bis stearamide) is 0.3%, the content of the antioxidant-antioxidant 1076 is 0.3%, the content of the ultraviolet absorbent-phenyl o-hydroxybenzoate is 0.4%), the content of the polyester raw material is 1%, the flame retardant grade of the polyester chip is B2, and the limiting oxygen index is 20.6%.
From each example, comparative example and corresponding test table, it can be obtained that the polyester chip material prepared by adding the flame retardant T-DOPO meets the flame retardant B1 grade, and the more the flame retardant T-DOPO is added, the more difficult the polyester chip material is burnt, the flame retardant polyester chip can be applied to products with flame retardant requirements, and the application range of the polyester material is enlarged.
The foregoing is a preferred embodiment of the invention showing and describing the general principles, features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing embodiments, which have been described in the foregoing embodiments and description merely illustrates the principles of the invention, and that various changes and modifications may be effected therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents.
Claims (10)
1. The flame-retardant polyester chip is characterized by comprising a polyester raw material, a flame retardant T-DOPO and an auxiliary agent, wherein the content of the polyester raw material is 94% -98.7%, the content of the flame retardant T-DOPO is 0.8% -5%, and the content of the auxiliary agent is 0.5% -1%.
2. The flame retardant polyester chip of claim 1, wherein the polyester raw material is at least one of PET, PBT, PETG, PCTG.
3. The flame retardant polyester chip of claim 1, wherein the auxiliary comprises at least one of a lubricant, an antioxidant, and an ultraviolet absorber.
4. The flame retardant polyester chip of claim 3, wherein said auxiliary comprises a lubricant which is at least one of ethylene bis stearamide, oleamide, erucamide, polyethylene wax, fischer-tropsch wax, alkyl diphenyl ether oil.
5. The flame-retardant polyester chip of claim 3, wherein the auxiliary agent comprises an antioxidant, and the antioxidant is at least one of an antioxidant 168, an antioxidant 1010, an antioxidant 1076, an antioxidant 1098, an antioxidant 1216, an antioxidant 1330 and an antioxidant PEPQ.
6. The flame-retardant polyester chip of claim 3, wherein the auxiliary agent comprises an ultraviolet absorber, and the ultraviolet absorber is at least one of phenyl o-hydroxybenzoate, benzotriazole, carbon black and 2-hydroxy-4-methoxybenzophenone.
7. The flame-retardant polyester chip as claimed in claim 3, wherein the auxiliary comprises a lubricant, an antioxidant and an ultraviolet absorber, the lubricant is 0.15% -0.3%, the antioxidant is 0.15% -0.3%, and the ultraviolet absorber is 0.2% -0.4%.
8. The flame retardant polyester chip of claim 1, wherein the flame retardant polyester chip meets at least the B1 class flame retardant standard.
9. The flame retardant polyester chip of claim 1, wherein the flame retardant T-DOPO has the structure:
10. use of the flame retardant polyester chips according to any of claims 1 to 9 for injection moulding products, spinning products, casting products, extrusion products, blow moulding products.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311447884.0A CN117487331A (en) | 2023-11-02 | 2023-11-02 | Flame-retardant polyester slice and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311447884.0A CN117487331A (en) | 2023-11-02 | 2023-11-02 | Flame-retardant polyester slice and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117487331A true CN117487331A (en) | 2024-02-02 |
Family
ID=89682185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311447884.0A Pending CN117487331A (en) | 2023-11-02 | 2023-11-02 | Flame-retardant polyester slice and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117487331A (en) |
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2023
- 2023-11-02 CN CN202311447884.0A patent/CN117487331A/en active Pending
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