CN108342057B - Halogen-free flame-retardant PC/PBT alloy and product thereof - Google Patents
Halogen-free flame-retardant PC/PBT alloy and product thereof Download PDFInfo
- Publication number
- CN108342057B CN108342057B CN201710057120.9A CN201710057120A CN108342057B CN 108342057 B CN108342057 B CN 108342057B CN 201710057120 A CN201710057120 A CN 201710057120A CN 108342057 B CN108342057 B CN 108342057B
- Authority
- CN
- China
- Prior art keywords
- flame retardant
- halogen
- retardant
- pbt alloy
- pbt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
-
- 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
Landscapes
- Chemical & Material Sciences (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 relates to the technical field of high polymer materials, in particular to a halogen-free flame-retardant PC/PBT alloy and a product thereof. The halogen-free flame-retardant PC/PBT alloy comprises the following components: PC resin, PBT resin, a compatilizer, a flexibilizer and a flame retardant. The product is produced by molding the halogen-free flame-retardant PC/PBT alloy. Compared with the addition of a single flame retardant, the halogen-free PC/PBT alloy disclosed by the invention has the advantages that the flame retardant property of the PC/PBT alloy can reach the UL940.8mm V-0 level and the physical property is excellent by adding the compound flame retardant.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of high polymer materials, in particular to a halogen-free flame-retardant PC/PBT alloy and a product thereof.
[ background of the invention ]
PBT (polybutylene terephthalate) has the defects of high crystallization speed, good melt flowability, excellent friction and abrasion performance, low notch impact strength, poor rigidity at high temperature and the like, thereby limiting the application.
PC (polycarbonate) has excellent impact resistance, can be blended with PBT to combine the advantages of two materials, such as small warpage, good dimensional stability, good fluidity and the like, and is an alloy plastic with higher application value in industrial application.
However, the PC/PBT blended with the flame retardant is difficult to reach the 0.8mm V-0 grade due to the good fluidity and low carbon content of the PBT, and the physical properties of the blended alloy are seriously reduced by adding excessive flame retardant.
In view of the above, there is a need to develop a halogen-free flame retardant PC/PBT alloy to solve the above problems.
[ summary of the invention ]
Therefore, the invention aims to provide the halogen-free flame-retardant PC/PBT alloy which has high flame-retardant grade and excellent physical properties.
In order to achieve the purpose, the halogen-free flame-retardant PC/PBT alloy comprises the following components in parts by weight:
wherein the flame retardant is a compound of two or more of an organic hypophosphite flame retardant, a phosphate flame retardant, benzenesulfonyl potassium benzenesulfonate, a coated sulfonate flame retardant and methoxysilane with hydroxyl or phenyl.
Optionally, the PC resin is at least one of bisphenol a polycarbonate, polyester polycarbonate, silicone-polycarbonate, cyclohexane bisphenol a polycarbonate, and high temperature resistant polycarbonate synthesized by bisphenol TMC.
Alternatively, the PC resin may have a melt mass flow rate of 3 to 30g/10min at a temperature of 300 ℃ and a load of 1.2 Kg.
Optionally, the weight ratio of the PC resin to the PBT resin is between 1:4 and 4: 1.
Optionally, the compatibilizer is a copolymer of acrylate-glycidyl methacrylate.
Optionally, the toughening agent is a compound of two or more of polyolefin elastomer grafted maleic anhydride, polyolefin elastomer grafted glycidyl methacrylate, styrene-acrylonitrile-glycidyl methacrylate copolymer, ethylene propylene diene monomer grafted maleic anhydride, cross-linked methacrylate-methyl methacrylate toughening agent, butadiene-styrene-methyl methacrylate toughening agent and organosilicon rubber-methyl methacrylate toughening agent.
Optionally, the addition amount of the hypophosphite flame retardant in the flame retardant is 0.5-2 parts, and the phosphorus content in the hypophosphite flame retardant is 20% -70%.
Optionally, the phosphate ester flame retardant in the flame retardant comprises one of a phosphorus-nitrogen flame retardant, a BDP flame retardant and an RDP flame retardant, wherein the addition amount of the phosphate ester flame retardant in the flame retardant is 3-13 parts, and the phosphorus content in the phosphate ester flame retardant is 7-17%.
Optionally, the halogen-free flame-retardant PC/PBT alloy further comprises at least one of a lubricant, an ultraviolet absorber, a mold release agent, an anti-dripping agent and a colorant.
In addition, the invention also provides a product which is produced after the halogen-free flame-retardant PC/PBT alloy is molded.
Compared with the prior art, the halogen-free PC/PBT alloy has the advantages that by adding the compounded flame retardant, the flame retardant property of the PC/PBT alloy can reach the UL940.8mm V-0 level and the physical property is excellent compared with the addition of a single flame retardant.
[ detailed description ] embodiments
The halogen-free flame-retardant PC/PBT alloy comprises the following components in parts by weight:
20-35 parts of PC resin, wherein the PC resin is at least one of bisphenol A polycarbonate, polyester polycarbonate, organosilicon-polycarbonate, cyclohexane bisphenol A polycarbonate and high-temperature resistant polycarbonate synthesized by bisphenol TMC; the melt mass flow rate of the PC resin is between 3 and 30g/10min at the temperature of 300 ℃ and the load of 1.2 Kg.
5-80 parts of PBT resin, wherein the weight ratio of the PC resin to the PBT resin is 1:4-4: 1.
1-5 parts of a compatilizer, wherein the compatilizer is a copolymer of acrylate and glycidyl methacrylate, and the compatilizer can increase the interfacial adhesion of part of PC/PBT and improve the comprehensive mechanical property of the alloy.
3-15 parts of a toughening agent, wherein the toughening agent is a compound of two or more of polyolefin elastomer grafted maleic anhydride, polyolefin elastomer grafted glycidyl methacrylate, a styrene-acrylonitrile-glycidyl methacrylate copolymer, ethylene propylene diene monomer grafted maleic anhydride, a cross-linked methacrylate-methyl methacrylate toughening agent, a butadiene-styrene-methyl methacrylate toughening agent and an organosilicon rubber-methyl methacrylate toughening agent;
3-20 parts of a flame retardant, wherein the flame retardant is a compound of two or more of an organic hypophosphite flame retardant, a phosphate flame retardant, benzenesulfonyl potassium benzenesulfonate, a coated sulfonate flame retardant and methoxysilane with hydroxyl or phenyl, the addition amount of the hypophosphite flame retardant in the flame retardant is 0.5-2 parts, the phosphorus content in the hypophosphite flame retardant is 20% -70%, the phosphate flame retardant in the flame retardant comprises one of a phosphazene flame retardant, a BDP flame retardant and an RDP flame retardant, the addition amount of the phosphate flame retardant in the flame retardant is 3-13 parts, and the phosphorus content in the phosphate flame retardant is 7-17%.
Wherein, the halogen-free flame-retardant PC/PBT alloy also comprises at least one of a lubricant, an ultraviolet absorbent, a mold release agent, an anti-dripping agent and a colorant within the range of not influencing the effect of the invention, so as to obtain other functional composite materials.
For further understanding of the purpose, efficacy and technical means of the present invention, reference will now be made to the following embodiments.
Example 1
Weighing the components in corresponding weight; then, stirring the components by using a single-shaft stirring barrel; and respectively adding the mixture into a double-screw extruder to perform melt extrusion granulation.
Example 2
Stirring the components by using a single-shaft stirring barrel; and respectively adding the mixture into a double-screw extruder to perform melt extrusion granulation.
Comparative example 1
Weighing the components in corresponding weight; then, stirring the components by using a single-shaft stirring barrel; and respectively adding the mixture into a double-screw extruder to perform melt extrusion granulation.
After melt extrusion granulation of the above examples and comparative examples, the particles in each example were injection molded into standard test bars on an injection molding machine, and the mechanical properties of the resulting materials were tested according to the standard, with the test results shown in table 1:
table 1: test results of examples and comparative examples
| Test items | Test standard | Example 1 | Example 2 | Comparative example 1 |
| Tensile Strength (MPa) | ISO527-1,-2 | 59 | 55 | 52 |
| Elongation at Break (%) | ISO527-1,-2 | 12 | 5.0 | 3.5 |
| Flexural Strength (MPa) | ISO 178 | 87 | 83 | 80 |
| Flexural modulus (MPa) | ISO 178 | 2700 | 2300 | 2450 |
| Impact Strength (KJ/m)2) | ISO 180 | 9.8 | 4.1 | 2.8 |
| Flame retardant rating | UL-94 | 0.8mmV-0 | 1.0mmV-0 | 1.0mmV-2 |
By comparing example 1, example 2 with comparative example 1, it can be seen that: after the compounded flame retardant is added into the PC/PBT alloy, the flame retardant grade of the alloy can be greatly improved and can reach 0.8mmV-0 grade, and after the hypophosphite flame retardant, the phosphate flame retardant and the benzenesulfonyl potassium benzenesulfonate are compounded, the optimal flame retardant effect can be achieved under the condition of less addition amount; moreover, after the compound flame retardant is added, the physical properties of the alloy are not reduced, but the physical properties of the alloy are improved, such as the impact strength can be more than several times.
In addition, the invention also provides a product which is produced after the halogen-free flame-retardant PC/PBT alloy is molded.
Compared with the prior art, the halogen-free PC/PBT alloy has the advantages that by adding the compounded flame retardant, the flame retardant property of the PC/PBT alloy can reach the UL940.8mm V-0 level and the physical property is excellent compared with the addition of a single flame retardant.
Claims (10)
1. The halogen-free flame-retardant PC/PBT alloy is characterized by comprising the following components in parts by weight:
the flame retardant is compounded by a hypophosphite flame retardant, a phosphate flame retardant and benzenesulfonyl potassium benzenesulfonate.
2. The halogen-free flame retardant PC/PBT alloy according to claim 1, wherein the PC resin is at least one of bisphenol A polycarbonate, polyester polycarbonate, silicone-polycarbonate, cyclohexane bisphenol A polycarbonate, and high temperature resistant polycarbonate synthesized by bisphenol TMC.
3. The halogen-free flame-retardant PC/PBT alloy according to claim 1, wherein the melt mass flow rate of the PC resin is 3-30g/10min at 300 ℃ under a load of 1.2 Kg.
4. The halogen free flame retardant PC/PBT alloy according to any of claims 1 to 3, wherein the weight ratio of PC resin to PBT resin is between 1:4 and 4: 1.
5. The halogen-free flame retardant PC/PBT alloy according to claim 1, wherein the compatibilizer is a copolymer of acrylate-glycidyl methacrylate.
6. The halogen-free flame retardant PC/PBT alloy according to claim 1, wherein the toughening agent is a combination of two or more of polyolefin elastomer grafted maleic anhydride, polyolefin elastomer grafted glycidyl methacrylate, styrene-acrylonitrile-glycidyl methacrylate copolymer, ethylene propylene diene monomer grafted maleic anhydride, crosslinked methacrylate-methyl methacrylate toughening agent, butadiene-styrene-methyl methacrylate toughening agent, and silicone rubber-methyl methacrylate toughening agent.
7. The halogen-free flame-retardant PC/PBT alloy according to claim 1, wherein the amount of the hypophosphite flame retardant added in the flame retardant is 0.5-2 parts, and the phosphorus content in the hypophosphite flame retardant is 20-70%.
8. The halogen-free flame-retardant PC/PBT alloy according to claim 1, wherein the phosphate ester flame retardant in the flame retardant comprises one of phosphorus-nitrogen flame retardant, BDP flame retardant and RDP flame retardant, the addition amount of the phosphate ester flame retardant in the flame retardant is 3-13 parts, and the phosphorus content in the phosphate ester flame retardant is 7-17%.
9. The halogen-free flame retardant PC/PBT alloy according to claim 1, further comprising at least one of a lubricant, an ultraviolet absorber, a mold release agent, an anti-drip agent, and a colorant.
10. A product produced after molding of the halogen free flame retardant PC/PBT alloy of any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710057120.9A CN108342057B (en) | 2017-01-23 | 2017-01-23 | Halogen-free flame-retardant PC/PBT alloy and product thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710057120.9A CN108342057B (en) | 2017-01-23 | 2017-01-23 | Halogen-free flame-retardant PC/PBT alloy and product thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108342057A CN108342057A (en) | 2018-07-31 |
| CN108342057B true CN108342057B (en) | 2020-09-22 |
Family
ID=62961900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710057120.9A Active CN108342057B (en) | 2017-01-23 | 2017-01-23 | Halogen-free flame-retardant PC/PBT alloy and product thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108342057B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113801453B (en) * | 2020-06-12 | 2023-05-16 | 汉达精密电子(昆山)有限公司 | Halogen-free flame-retardant transparent PC material and product thereof |
| CN113801452B (en) * | 2020-06-12 | 2023-09-12 | 汉达精密电子(昆山)有限公司 | High-performance glass fiber reinforced PC material and product thereof |
| CN113913004A (en) * | 2020-07-10 | 2022-01-11 | 汉达精密电子(昆山)有限公司 | Halogen-free flame-retardant PC conductive material and product thereof |
| CN114276662A (en) * | 2020-09-28 | 2022-04-05 | 汉达精密电子(昆山)有限公司 | High-performance flame-retardant PC/PBT alloy and product thereof |
| CN114957953B (en) * | 2022-03-24 | 2024-05-03 | 宁波龙洋塑化科技有限公司 | Hydrolysis-resistant low-temperature impact-resistant halogen-free flame-retardant PC/PBT alloy material and preparation method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101942189B (en) * | 2010-10-25 | 2012-06-27 | 江苏技术师范学院 | Halogen-free flame retardant PC/PBT alloy material and preparation method thereof |
| US8779040B2 (en) * | 2012-10-16 | 2014-07-15 | Sabic Global Technologies B.V. | High-heat polycarbonate blends that are halogen-free and flame retardant |
| CN103059542A (en) * | 2013-01-08 | 2013-04-24 | 常州百佳薄膜科技有限公司 | Halogen-free flame-retardant PC-PET (polycarbonate-polyethylene terephthalate) alloy film and its making method |
| CN104650556A (en) * | 2013-11-25 | 2015-05-27 | 青岛同创节能环保工程有限公司 | High flame retardation and high strength modified PC/PBT alloy and preparation method thereof |
| CN104962055A (en) * | 2015-04-28 | 2015-10-07 | 深圳市联懋塑胶有限公司 | Environmental protection flame retardation type glass fiber reinforcement polycarbonate alloy material and preparation method thereof |
-
2017
- 2017-01-23 CN CN201710057120.9A patent/CN108342057B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108342057A (en) | 2018-07-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108342057B (en) | Halogen-free flame-retardant PC/PBT alloy and product thereof | |
| KR101328296B1 (en) | Polycarbonate retardant resin composition comprising glass fiber | |
| CN109423024B (en) | Halogen-free flame-retardant PC/CF antistatic material and product thereof | |
| CN108504062B (en) | Halogen-free flame-retardant PC/ABS composite material and product thereof | |
| CN110982240B (en) | polycarbonate/ABS (acrylonitrile-butadiene-styrene) composition, preparation method and automobile column guard plate | |
| CN101092501A (en) | PA6 / ABS alloy material, and preparation method | |
| CN103254498A (en) | Low-gloss polypropylene composition material | |
| CN102838825A (en) | High-strength halogen-free flame-retardant long-glass-fiber-reinforced AS (Acrylonitrile-Styrene Copolymer) composite material and preparation method thereof | |
| CN107513209A (en) | Halogen-free polypropylene flame redardant resin combination and its products formed | |
| CN111763383B (en) | Good-touch glass fiber reinforced polypropylene composite and preparation method thereof | |
| CN112574535A (en) | Damping halogen-free flame-retardant reinforced PBT (polybutylene terephthalate) material and preparation method thereof | |
| KR20110048377A (en) | Thermoplastic resin composition and molded product using the same | |
| CN114044966B (en) | Anti-atomization polypropylene composition and preparation method and application thereof | |
| CN111484679A (en) | High-rigidity, high-toughness and high-fluidity polypropylene composite material and preparation method thereof | |
| CN111978641A (en) | High-modulus, high-fluidity and high-impact-resistance glass fiber reinforced polypropylene composite material and preparation method thereof | |
| CN103756268A (en) | Polyimide fiber enhanced PBT (Polybutylece Terephthalate) composite material and preparation method thereof | |
| CN109867933A (en) | High fire-retardance HI high impact PC/ABS material and products thereof | |
| CN111484680A (en) | High-gloss and high-temperature-resistant polypropylene composite material and preparation method thereof | |
| CN1315933C (en) | PP and ABS nano filler alloy and preparation method thereof | |
| CN110698768A (en) | Flexible touch polypropylene material with flame retardant and antibacterial properties as well as preparation method and application thereof | |
| CN103374212A (en) | High-impact-resistance low-shrinkage polybutylene terephthalate composite material and preparation method thereof | |
| CN112480637B (en) | Floating fiber-free flame-retardant PC/ABS composite material | |
| CN104277448A (en) | Polyphenylene ether resin alloy material for housings of air-condition compressors | |
| CN108342064B (en) | Glass fiber reinforced halogen-free flame-retardant PC/PBT alloy and product thereof | |
| KR101751580B1 (en) | Glass fiber reinforced PBT high flow resin composition and injection molding product |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |