CN111073234A - Heat-resistant flame-retardant PET composite material, preparation method thereof and application thereof in preparation of patch board - Google Patents
Heat-resistant flame-retardant PET composite material, preparation method thereof and application thereof in preparation of patch board Download PDFInfo
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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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
- 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
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
The invention discloses a heat-resistant flame-retardant PET composite material, a preparation method thereof and application thereof in preparing a patch board, wherein the material is prepared from the following raw materials in parts by weight: 40-70 parts of PET; 10-35 parts of a PET derivative; 2-15 parts of a compatilizer; 2-15 parts of a toughening agent; 2-10 parts of a flame retardant; 0.1-5 parts of an auxiliary agent; 0-8 parts of a hydroxyl addition type chain extender. In the invention, the PET derivative has good toughness and good compatibility with PET, so that the excellent impact property of the composite material is ensured, and particularly, after the chain extender is added, the chain extender can reactively compatibilize the PET and the PET derivative, and the binding force among the components is improved, so that the material has more excellent high-temperature resistance and is suitable for wiring boards. The method disclosed by the invention is simple to prepare, easy to implement, strong in operability, beneficial to industrial large-scale production and wide in application prospect.
Description
Technical Field
The invention relates to the technical field of patch board materials, in particular to a heat-resistant flame-retardant PET composite material, a preparation method thereof and application thereof in preparation of a patch board.
Background
At present, the main material of the patch board is PC material, and the material has high chain rigidity, so that the melt viscosity is high, the fluidity is poor, and the product is easy to crack. Polybutylene terephthalate (PET) is one of five engineering plastics, has good heat resistance, electrical insulation, chemical resistance, lubricity and excellent mechanical properties, and is widely applied to the fields of automobile parts and electronic and electrical appliances.
The material for the wiring board must have heat resistance and pass a 125 ℃ ball pressure test. This greatly limits the use of PET and therefore must be modified.
The invention discloses a high-impact-resistance and heat-resistance PC/PET alloy material and a preparation process thereof, wherein the high-impact-resistance PC is mainly used for improving the toughness of the alloy material. However, PC is poorly compatible with PET, requires a large amount of toughening compatibilizer, and the compatibilizer affects flame retardancy and lowers heat resistance.
The Chinese invention patent application with the publication number of CN105255149A (application number of 201510746083.3) discloses a low-temperature toughened and reinforced PC/PET alloy material and a preparation method thereof. The technical scheme is as follows: 1. the formula comprises the following components in percentage by weight: PET66-85, PC 100, compatilizer 9-18, low-temperature toughener 22-36, antioxidant 5-9 and reinforcing agent 37-53. According to the technical scheme, PC is used as an alloy material of PET, and a low-temperature resistant toughening agent is added to meet the low-temperature resistant requirement. The method has high PC content and high cost.
Disclosure of Invention
The invention provides a heat-resistant flame-retardant PET composite material, a preparation method thereof and application thereof in preparing a patch board.
A heat-resistant flame-retardant PET composite material is prepared from the following raw materials in parts by weight:
further preferably, the heat-resistant flame-retardant PET composite material is prepared from the following raw materials in parts by weight:
more preferably, the heat-resistant flame-retardant PET composite material is prepared from the following raw materials in parts by weight:
in the invention, the PET derivative has good toughness and good compatibility with PET, so that the excellent impact property of the composite material is ensured, and the compatibility and toughness can be further improved at specific contents of the compatilizer, the flexibilizer and the flame retardant, so that the material property is further enhanced, and the composite material has more excellent performance.
The PET can be a commercially available general model.
The PET derivative is a compound with a structure shown in a formula I;
wherein R is1Is a polyhydroxy structure, and N is 20-300. Further preferably, R1Is a trimethylolethane groupPentaerythritol group, xylitol group, glycerol group, and sorbitol group.
Most preferably, R1Is sorbitol group and N is 55.
The compatilizer is maleic anhydride grafted acrylonitrile-butadiene-styrene terpolymer (ABS-g-MAH);
the toughening agent is one or two of ethylene-methyl acrylate copolymer (EMA) and methyl methacrylate-butadiene-styrene terpolymer (MBS).
The flame retardant is one or two of brominated triazine and antimony trioxide.
The auxiliary agent is one or more than two (including two) of ultraviolet absorbent, lubricant, antioxidant and the like.
The hydroxyl addition type chain extender can adopt one of bisimide ester, isocyanate and bicyclic carboxylic anhydride. More preferably, the hydroxyl addition type chain extender is isophorone diisocyanate (IPDI).
In the invention, the PET derivative contains a polyhydroxy structure, and can form a micro-crosslinking structure with the base material PET under the action of a hydroxyl addition type chain extender, so that the binding force among all components is improved, and the heat resistance of the material is improved. The PET, the PET derivative and the hydroxyl addition type chain extender are reacted and added through a double-screw extruder, so that the composite material has more excellent mechanical property and more excellent temperature resistance.
Most preferably, the heat-resistant flame-retardant PET composite material is prepared from the following raw materials in parts by weight:
the PET derivative is a compound with a structure shown in a formula I;
wherein R is1Is a sorbitol group, N is 55;
the compatilizer is maleic anhydride grafted acrylonitrile-butadiene-styrene terpolymer;
the toughening agent is an ethylene-methyl acrylate copolymer;
the flame retardant is brominated triazine and antimony trioxide, wherein 9 parts of brominated triazine and 1 part of antimony trioxide are used;
the hydroxyl addition type chain extender is isophorone diisocyanate (IPDI).
The invention also provides a preparation method of the PET derivative, which adopts two stages of esterification and polycondensation, and has a process route, simple preparation, easy implementation and strong operability.
A method for preparing a PET derivative, comprising the steps of:
adding diol, diacid, a catalyst, an antioxidant and a heat stabilizer into an esterification reactor, and carrying out esterification reaction under the conditions of pressure of 5-80Kpa and temperature of 90-200 ℃ for 1-5 h. And then heating the esterification reactor to 180-280 ℃, carrying out reduced pressure polycondensation for 1-3h, and discharging to obtain the PET derivative.
A preparation method of a heat-resistant flame-retardant PET composite material comprises the following steps:
1) uniformly mixing PET, PET derivatives, a toughening agent, a compatilizer, a flame retardant, an auxiliary agent and a hydroxyl addition type chain extender which can be selectively added to obtain a mixed material;
2) and adding the mixed materials into a double-screw extruder, and granulating by a tractor to obtain the heat-resistant flame-retardant PET composite material.
In the step 1), the conditions for uniform mixing are as follows: the components are placed in a high-speed kneader, the rotating speed is kept at 500-.
In the step 2), the temperature of each area from the feed inlet to the machine head of the double-screw extruder is as follows: the temperature of the first zone is 195-215 ℃, the temperature of the second zone is 210-230 ℃, the temperature of the third zone is 230-240 ℃, the temperature of the fourth zone is 240-250 ℃, the temperature of the fifth zone is 245-250 ℃, the temperature of the sixth zone is 235-250 ℃, the temperature of the seventh zone is 240-250 ℃, the temperature of the head is 240-250 ℃, and the rotating speed is 50-350 rpm/min.
The material for the patch board must have heat resistance, and the conventional PET cannot meet the requirement through a 125 ℃ ball pressure test. The PET derivative is prepared by a direct esterification and reduced pressure polycondensation method, contains polyhydroxy group, and can form a micro-crosslinking structure with PET through a hydroxyl addition type chain extender, so that the heat resistance of the PET is improved. The heat-resistant flame-retardant PET composite material has the advantages of heat resistance, flame retardance and excellent high-temperature resistance, and is particularly suitable for preparing patch boards.
Compared with the prior art, the invention has the following advantages
In the invention, the PET derivative has good toughness and good compatibility with PET, so that the excellent impact property of the composite material is ensured, and the compatibility and toughness can be further improved at specific contents of the compatilizer, the flexibilizer and the flame retardant, so that the material property is further enhanced, and the composite material has more excellent performance. Particularly, after the chain extender is added, the chain extender can reactively compatibilize PET and PET derivatives, and the binding force among all the components is improved, so that the composite material has more excellent high-temperature resistance. The heat-resistant flame-retardant PET is suitable for patch boards.
The preparation method of the heat-resistant flame-retardant PET composite material for the patch board is simple to prepare, easy to implement, strong in operability, beneficial to industrial large-scale production and wide in application prospect.
Drawings
FIG. 1 is an infrared spectrum of a polyhydroxylated PET derivative in accordance with the present invention, wherein the abscissa is the wavenumber and the ordinate is the intensity.
Detailed Description
The present invention will be described in detail below by way of examples, which are provided to better illustrate the present invention, but are not limited to the examples.
Preparation example 1
(1) Under the protection of nitrogen, adding 1.0mol of terephthalic acid, 1.3mol of sorbitol, 0.002mol of p-toluenesulfonic acid, 2.00g of triphenyl phosphate and 2.50g of hydroquinone into a reactor, heating a reaction system to 150 ℃, carrying out esterification reaction under the pressure of 100KPa, fully stirring in the reaction process, and removing water generated by the reaction for 1 h.
(2) And after the esterification reaction is finished, heating the reaction system to 200 ℃, gradually reducing the pressure to 50KPa, reacting for 0.5h, continuously vacuumizing to about 86Pa, continuously reacting for 3.5h, and discharging after the reaction is finished to obtain the polyhydroxy PET derivative.
It is found from the hydrogen nuclear magnetic resonance spectrum that 7.86 is the chemical shift of terephthalic acid and 1.86 is the chemical shift of sorbitol. The obtained PET derivative is shown as a structure in a formula I; the molar ratio of the dibasic acid unit to the dihydric alcohol unit is 1: 1.05 and N is 55. The infrared spectrum (FIG. 1) shows that 1734cm is contained in the product-1The strong characteristic absorption peak is a carbonyl absorption peak, which indicates that the esterification reaction of the terephthalic acid and the sorbitol is more thorough.
R1Is a sorbitol radical, i.e.
Example 1
The components were weighed according to table 1 below:
TABLE 1
1. Weighing dried PET, EMA, PET derivatives, ABS-g-MAH, EBS, silicone, 1010, 168, bromotriazine and antimony trioxide according to the weight formula;
2. placing the weighed components in a high-speed kneader at the rotating speed of 2500rpm/min for 20 min;
3. adding the uniformly mixed PET, EMA, PET derivatives, ABS-g-MAH, EBS, silicone, 1010, 168 and flame retardant into a feeding hopper of a double-screw extruder, wherein the parameters of the double-screw extruder are as follows: the temperature of the first zone is 195 ℃, the temperature of the second zone is 210 ℃, the temperature of the third zone is 230 ℃, the temperature of the fourth zone is 240 ℃, the temperature of the fifth zone is 245 ℃, the temperature of the sixth zone is 245 ℃, the temperature of the seventh zone is 250 ℃, the temperature of a machine head is 250 ℃, the rotating speed is 300rpm/min, and after being dragged and granulated by a tractor, PET/PET derivative alloy particles, namely the heat-resistant flame-retardant PET composite material for the patch board, are obtained.
Example 2
The components were weighed according to table 2 below:
TABLE 2
1. Weighing dried PET, EBA, PET derivatives, ABS-g-MAH, TAF, silicone, 1098 and 168 and a flame retardant according to the weight percentage formula;
2. placing the weighed components in a high-speed kneader at the rotating speed of 2500rpm/min for stirring for 30 min;
3. adding the uniformly mixed PET, EBA, PET derivative, ABS-g-MAH, TAF, silicone, 1098 and 168 into a feeding funnel of a double-screw extruder, wherein the parameters of the double-screw extruder are as follows: the temperature of the first zone is 200 ℃, the temperature of the second zone is 210 ℃, the temperature of the third zone is 230 ℃, the temperature of the fourth zone is 250 ℃, the temperature of the fifth zone is 250 ℃, the temperature of the sixth zone is 250 ℃, the temperature of the seventh zone is 250 ℃, the temperature of the machine head is 250 ℃, the rotating speed is 350rpm/min, and after being dragged and granulated by a tractor, the PET/PET derivative, namely the heat-resistant flame-retardant PET composite material for the patch board, is obtained.
Example 3
The components were weighed according to table 3 below:
TABLE 3
1. Grinding the PET sample to a powder;
2. weighing dried PET, EBA, PET derivatives, ABS-g-MAH, TAF, silicone, 1076, 168 and a flame retardant according to the weight percentage formula;
3. placing the weighed components in a high-speed kneader at the rotating speed of 3500pm/min for 20 min;
4. adding the uniformly mixed PET, EBA, PET derivatives, ABS-g-MAH, TAF, silicone, 1076, 168 and flame retardant into a feeding funnel of a double-screw extruder, wherein the parameters of the double-screw extruder are as follows: the temperature of the first zone is 200 ℃, the temperature of the second zone is 210 ℃, the temperature of the third zone is 230 ℃, the temperature of the fourth zone is 245 ℃, the temperature of the fifth zone is 250 ℃, the temperature of the sixth zone is 250 ℃, the temperature of the seventh zone is 250 ℃, the temperature of the machine head is 250 ℃, the rotating speed is 350rpm/min, and after being dragged and granulated by a tractor, PET/PET derivative alloy particles, namely the heat-resistant flame-retardant PET composite material for the patch board, are obtained.
Example 4
The components were weighed according to table 4 below:
TABLE 4
1. Grinding the PET sample to a powder;
2. weighing dried PET, EBA, PET derivatives, ABS-g-MAH, TAF, white oil, 1010 and 168 and a flame retardant according to the weight percentage formula;
3. placing the weighed components in a high-speed kneader at the rotating speed of 3000pm/min for stirring for 30 min;
4. adding the uniformly mixed PET, EBA, PET derivatives, ABS-g-MAH, TAF, white oil, 1010, 168 and flame retardant into a feeding funnel of a double-screw extruder, wherein the parameters of the double-screw extruder are as follows: the temperature of the first zone is 200 ℃, the temperature of the second zone is 225 ℃, the temperature of the third zone is 235 ℃, the temperature of the fourth zone is 245 ℃, the temperature of the fifth zone is 245 ℃, the temperature of the sixth zone is 250 ℃, the temperature of the seventh zone is 250 ℃, the temperature of a machine head is 250 ℃, the rotating speed is 350rpm/min, and after the PET alloy particles are drawn and granulated by a drawing machine, the PET alloy particles, namely the heat-resistant flame-retardant PET composite material for the patch board, are obtained.
Example 5
The components were weighed according to table 5 below:
TABLE 5
1. Weighing dried PET, EMA, PET derivatives, ABS-g-MAH, TAF, silicone, 1010, 168, bromotriazine, a chain extender IPDI and antimony trioxide according to the weight percentage formula;
2. placing the weighed components in a high-speed kneader at the rotating speed of 2500rpm/min for 20 min;
3. adding the uniformly mixed PET, EMA, PET derivatives, ABS-g-MAH, EBS, silicone, 1010, 168, flame retardant and chain extender IPDI into a feeding hopper of a double-screw extruder, wherein the parameters of the double-screw extruder are as follows: the temperature of the first zone is 195 ℃, the temperature of the second zone is 210 ℃, the temperature of the third zone is 230 ℃, the temperature of the fourth zone is 240 ℃, the temperature of the fifth zone is 245 ℃, the temperature of the sixth zone is 245 ℃, the temperature of the seventh zone is 250 ℃, the temperature of a machine head is 250 ℃, the rotating speed is 300rpm/min, and after being dragged and granulated by a tractor, PET/PET derivative alloy particles, namely the heat-resistant flame-retardant PET composite material for the patch board, are obtained.
The test results of the heat-resistant flame-retardant PET composite material for the patch board prepared in the embodiments 1 to 5 of the invention are shown in Table 6.
TABLE 6
From the data and the printing effect of the table 5, the PET/PET derivative alloy has good toughness and good temperature resistance, meets the requirements on flame retardance, and is suitable for the field of patch panels. Compared with the examples 1 to 4, the chain extender is added in the example 5, and the example 5 shows more excellent mechanical property and temperature resistance. Therefore, in the invention, after the chain extender is added, the chain extender can reactively compatibilize PET and PET derivatives, and improve the binding force among the components, so that the composite material has more excellent mechanical properties and more excellent temperature resistance.
Claims (10)
1. The heat-resistant flame-retardant PET composite material is characterized by being prepared from the following raw materials in parts by weight:
2. the heat-resistant flame-retardant PET composite material as claimed in claim 1, which is prepared from the following raw materials in parts by weight:
3. the heat-resistant flame-retardant PET composite material as claimed in claim 1, which is prepared from the following raw materials in parts by weight:
4. a heat and flame resistant PET composite material according to claim 1, 2 or 3 wherein the PET derivative is a compound of formula I;
wherein R is1Is one of a trimethylolethane group, a pentaerythritol group, a xylitol group, a glycerol group and a sorbitol group, and N is 20-300.
5. A heat and flame resistant PET composite as claimed in claim 1, 2 or 3 wherein the compatibilizer is maleic anhydride grafted acrylonitrile-butadiene-styrene terpolymer;
the toughening agent is one or two of ethylene-methyl acrylate copolymer and methyl methacrylate-butadiene-styrene terpolymer;
the flame retardant is one or two of brominated triazine and antimony trioxide;
the auxiliary agent is one or more than two of an ultraviolet absorbent, a lubricant, an antioxidant and the like.
6. A heat and flame resistant PET composite material as claimed in claim 1, 2 or 3, wherein the hydroxyl addition type chain extender is one of bisimide ester, isocyanate, and bicyclo carboxylic acid anhydride.
7. A heat and flame resistant PET composite material according to claim 6, characterized in that the hydroxyl addition type chain extender is isophorone diisocyanate.
8. The preparation method of the heat-resistant flame-retardant PET composite material according to any one of claims 1 to 7, characterized by comprising the following steps:
1) uniformly mixing PET, PET derivatives, a toughening agent, a compatilizer, a flame retardant, an auxiliary agent and a hydroxyl addition type chain extender which can be selectively added to obtain a mixed material;
2) and adding the mixed materials into a double-screw extruder, and granulating by a tractor to obtain the heat-resistant flame-retardant PET composite material.
9. The method for preparing the heat-resistant flame-retardant PET composite material according to claim 8, wherein in the step 1), the mixing conditions are as follows: placing the components in a high-speed kneader, keeping the rotating speed at 500-;
in the step 2), the temperature of each area from the feed inlet to the machine head of the double-screw extruder is as follows: the temperature of the first zone is 195-215 ℃, the temperature of the second zone is 210-230 ℃, the temperature of the third zone is 230-240 ℃, the temperature of the fourth zone is 240-250 ℃, the temperature of the fifth zone is 245-250 ℃, the temperature of the sixth zone is 235-250 ℃, the temperature of the seventh zone is 240-250 ℃, the temperature of the head is 240-250 ℃, and the rotating speed is 50-350 rpm/min.
10. Use of the heat-resistant flame-retardant PET composite material according to any one of claims 1 to 7 in the preparation of a patch board.
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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56140529A (en) * | 1980-04-03 | 1981-11-02 | Tdk Corp | Magnetic recording medium |
| WO2001000724A1 (en) * | 1999-06-30 | 2001-01-04 | The Dow Chemical Company | Extruded products from polyethylene terephthalate with reduced acetaldehyde content and process of their production |
| JP2002053741A (en) * | 2000-08-07 | 2002-02-19 | Riken Vitamin Co Ltd | Processability improver for pet-g resin, and pet-g resin composition |
| CN101157791A (en) * | 2007-09-30 | 2008-04-09 | 华东理工大学 | Preparation method of multiple net toughened polymer alloy plastic |
| CN101875757A (en) * | 2009-04-30 | 2010-11-03 | 中国石油天然气股份有限公司 | Preparation method of polyethylene terephthalate/polyterephthalic glycol-1,4-cyclohexanedimethanol ester alloy |
| CN103113725A (en) * | 2013-03-22 | 2013-05-22 | 上海顶新箱包有限公司 | PET (Polyethylene Terephthalate) resin composition as well as preparation method and application thereof |
| CN103421281A (en) * | 2013-04-26 | 2013-12-04 | 彭朕财 | Toughening and warming agent for PET/PETG |
| CN104231572A (en) * | 2014-09-24 | 2014-12-24 | 古道尔工程塑胶（深圳）有限公司 | Low-fiber-emergence low-warping high-tenacity flame-retardant PET/PETG composite material and preparation method |
| CN106317792A (en) * | 2015-06-19 | 2017-01-11 | 江苏裕兴薄膜科技股份有限公司 | 190 DEG C-grade PET (Polyethylene Terephthalate) insulating film and preparation method thereof |
| CN106810832A (en) * | 2016-12-26 | 2017-06-09 | 沈阳化工大学 | Modified polyethylene terephthalate of isomerism containing condensed cyclic structure crosslinking agent and preparation method thereof |
| CN106905674A (en) * | 2017-04-20 | 2017-06-30 | 宁波浙铁大风化工有限公司 | A kind of Flame-retardant PET and PC composites and preparation method thereof |
| CN107778800A (en) * | 2017-10-27 | 2018-03-09 | 浙江新力新材料股份有限公司 | A kind of full bio-based composite material of polylactic acid/starch and preparation method thereof |
| CN107903592A (en) * | 2017-12-05 | 2018-04-13 | 四川力智久创知识产权运营有限公司 | A kind of high temperature resistant polyethylene terephthalate composite material and preparation method thereof |
| CN109134834A (en) * | 2018-08-28 | 2019-01-04 | 华润化学材料科技有限公司 | The preparation method of isobide copolyesters |
-
2019
- 2019-12-30 CN CN201911405483.2A patent/CN111073234B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56140529A (en) * | 1980-04-03 | 1981-11-02 | Tdk Corp | Magnetic recording medium |
| WO2001000724A1 (en) * | 1999-06-30 | 2001-01-04 | The Dow Chemical Company | Extruded products from polyethylene terephthalate with reduced acetaldehyde content and process of their production |
| JP2002053741A (en) * | 2000-08-07 | 2002-02-19 | Riken Vitamin Co Ltd | Processability improver for pet-g resin, and pet-g resin composition |
| CN101157791A (en) * | 2007-09-30 | 2008-04-09 | 华东理工大学 | Preparation method of multiple net toughened polymer alloy plastic |
| CN101875757A (en) * | 2009-04-30 | 2010-11-03 | 中国石油天然气股份有限公司 | Preparation method of polyethylene terephthalate/polyterephthalic glycol-1,4-cyclohexanedimethanol ester alloy |
| CN103113725A (en) * | 2013-03-22 | 2013-05-22 | 上海顶新箱包有限公司 | PET (Polyethylene Terephthalate) resin composition as well as preparation method and application thereof |
| CN103421281A (en) * | 2013-04-26 | 2013-12-04 | 彭朕财 | Toughening and warming agent for PET/PETG |
| CN104231572A (en) * | 2014-09-24 | 2014-12-24 | 古道尔工程塑胶（深圳）有限公司 | Low-fiber-emergence low-warping high-tenacity flame-retardant PET/PETG composite material and preparation method |
| CN106317792A (en) * | 2015-06-19 | 2017-01-11 | 江苏裕兴薄膜科技股份有限公司 | 190 DEG C-grade PET (Polyethylene Terephthalate) insulating film and preparation method thereof |
| CN106810832A (en) * | 2016-12-26 | 2017-06-09 | 沈阳化工大学 | Modified polyethylene terephthalate of isomerism containing condensed cyclic structure crosslinking agent and preparation method thereof |
| CN106905674A (en) * | 2017-04-20 | 2017-06-30 | 宁波浙铁大风化工有限公司 | A kind of Flame-retardant PET and PC composites and preparation method thereof |
| CN107778800A (en) * | 2017-10-27 | 2018-03-09 | 浙江新力新材料股份有限公司 | A kind of full bio-based composite material of polylactic acid/starch and preparation method thereof |
| CN107903592A (en) * | 2017-12-05 | 2018-04-13 | 四川力智久创知识产权运营有限公司 | A kind of high temperature resistant polyethylene terephthalate composite material and preparation method thereof |
| CN109134834A (en) * | 2018-08-28 | 2019-01-04 | 华润化学材料科技有限公司 | The preparation method of isobide copolyesters |
Non-Patent Citations (2)
| Title |
|---|
| 李辰昊，等: "吹膜用PET熔体强度的提高及其增韧改性研究", 《塑料工业》 * |
| 金永龙，等: "聚对苯二甲酸乙二醇异山梨醇酯的合成", 《石油化工技术与经济》 * |
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Denomination of invention: Heat resistant and flame retardant PET composite and its preparation method and application in preparing patch panel Effective date of registration: 20220930 Granted publication date: 20220408 Pledgee: Industrial and Commercial Bank of China Limited Rui'an sub branch Pledgor: ZHEJIANG SHINY NEW MATERIAL CO.,LTD. Registration number: Y2022330002415 |