CN102120881A - Inflaming retarding reinforced polyamide/polyformaldehyde composition and preparation method thereof - Google Patents
Inflaming retarding reinforced polyamide/polyformaldehyde composition and preparation method thereof Download PDFInfo
- Publication number
- CN102120881A CN102120881A CN2011100684604A CN201110068460A CN102120881A CN 102120881 A CN102120881 A CN 102120881A CN 2011100684604 A CN2011100684604 A CN 2011100684604A CN 201110068460 A CN201110068460 A CN 201110068460A CN 102120881 A CN102120881 A CN 102120881A
- Authority
- CN
- China
- Prior art keywords
- polyamide
- massfraction
- thermoplastic compounds
- described composition
- antioxidant
- 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.)
- Pending
Links
Classifications
-
- 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
-
- 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
-
- 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
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a thermoplastic composition which is characterized by comprising the following components in percent by mass: 10-95 percent of polyamide 66, 1-95 percent of polyamide 6, 1-50 percent of polyformaldehyde and 0-60 percent of other auxiliary fillers, wherein the other auxiliary fillers comprise glass fiber, an inflaming retarding agent, a coupling agent, a stabilizing agent, a releasing agent and an antioxidant. The composition has better mechanical property, fire resistance and fabricability, and can be used as a material for a low-voltage electric equipment shell.
Description
Technical field
The invention belongs to the macromolecule synthesising technology field, be specifically related to a kind of fire-retarding reinforced polyamide/polyformaldehyde composition and preparation method thereof.
Background technology
Fire retardant claims incombustible agent again, flame-proofing agent or fireproofing agent: the functional aid of giving the combustible polymers flame retardancy; Be divided into additive flame retardant and reactive flame retardant according to application mode.According to composition, additive flame retardant mainly comprises inorganic combustion inhibitor, halogenated flame retardant (organic chloride and organic bromide), phosphorus flame retardant (red phosphorus, phosphoric acid ester and halogenated phosphate etc.) and nitrogen flame retardant etc.Reactive flame retardant mostly is the organic halogen that contains reactive functional groups and the monomer of organophosphorus.Along with the development of China's synthetic material industry and the continuous expansion of Application Areas, fire retardant has vast market prospect in every field such as chemical building material, electronic apparatus, communications and transportation, space flight and aviation, household furniture, upholstery, clothing, food, lodging and transportion--basic necessities of life.
Because environmental protection requirement in recent years, traditional bromide fire retardant can not satisfy the requirement of Europe RoHS and WEEE instruction.Composition as contactor, case for circuit breaker materials not only will have good mechanical performance, electrical property, and will have good flame retardancy.Nitrogen flame retardant melamine cyanurate can satisfy the RoHS instruction, but the phase ratio creepage tracking index of product (CTI) can seriously descend; Though also can pass through the glow wire test, the vertical combustion rank of product is UL94V-2, can not meet the demands in the high environment fire-retardant the requirement.
Summary of the invention
The object of the invention is to provide a kind of thermoplastic compounds, has solved the problems such as requirement that bromide fire retardant in the prior art can not satisfy environmental protection requirement and mechanical property, electric property, flame retardant properties aspect simultaneously.
In order to solve these problems of the prior art, technical scheme provided by the invention is:
A kind of thermoplastic compounds is characterized in that described composition comprises in the massfraction of its component:
Polyamide 66 10%～95%;
Polyamide 6 1%～95%;
Polyoxymethylene 1%～50%;
Other auxiliary packings 0～60%;
Wherein other auxiliary packings are made up of glass fibre, fire retardant, coupling agent, stablizer, releasing agent and oxidation inhibitor.
Preferably, described composition comprises in the massfraction of its component:
Polyamide 66 20%～80%;
Polyamide 6 1%～30%;
Polyoxymethylene 1%～30%;
Other auxiliary packings 10%～50%.
Preferably, described composition comprises in the massfraction of its component:
Polyamide 66 30%～60%;
Polyamide 6 1%～15%;
Polyoxymethylene 1%～15%;
Other auxiliary packings 20%～50%.
Preferably, the viscosity of used polyamide 66 base resin is 2.4～3.4 in the described composition, and the viscosity of polyamide 6 base resin is 2.4～3.4, and the melt flow rate (MFR) of polyoxymethylene is 10～21g/10min.
Preferably, the fire retardant that uses in the described composition is the red phosphorus master batch, is 1%～30% in its content of massfraction.
Preferably, the roving of used glass fibre for crossing through coupling agent treatment is 0%～30% in its content of massfraction in the described composition, is 0～1% in its content of massfraction.
Preferably, used coupling agent is a silane coupling agent in described composition.The preferential silane coupling agent KH550 that selects is 0～1% in its content of massfraction.
Preferably, used releasing agent is the two hard acid acid amides of ethylene in the described composition, is 0～1% in its content of massfraction.
Preferably, used antioxidant comprises primary antioxidant, auxiliary antioxidant in the described composition; Wherein primary antioxidant adopts Hinered phenols antioxidant 1098 or 1010, and auxiliary antioxidant adopts phosphite ester kind antioxidant 168, is respectively 0～1% in its content of massfraction.
Another object of the present invention is to provide a kind of preparation method of thermoplastic compounds, it is characterized in that described method comprise according to predetermined ratio make that base resin mixes with the filler composition, the step of extrusion molding and pelletizing formation thermoplastic compounds.
Preferably, extrusion temperature is 200～320 ℃ in the described method.
A kind of flame-retardant reinforced polymeric amide/polyformaldehyde composition that the present invention obtains is made up of base resins such as PA66, PA6 and POM, glass fibre, phosphorus flame retardant, coupling agent, stablizer, releasing agent and oxidation inhibitor etc.It is fire-retardant that wherein phosphorus flame retardant adopts the red phosphorus masterbatch, said composition has higher mechanical property and electrical property, especially low with the red phosphorus master batch fire retardant thermoplastic engineering plastic density more fire-retardant than nitrogen flame retardant, save cost and the vertical combustion test grades can reach UL94V-0, pass through the glow wire test simultaneously smoothly.
More specifically, a kind of halogen-free flame-retardant enhancement type thermoplastic compounds provided by the invention is characterized in that described composition contains: the polyamide 66 of 10% to 95% (massfraction) (PA66); The polyamide 6 of 1% to 95% (massfraction) (PA6); The polyoxymethylene of 1% to 50% (massfraction) (POM); Other fillers of 1% to 60% (massfraction), the following composition of described filler: glass fibre, fire retardant, coupling agent, stablizer, releasing agent and oxidation inhibitor etc., the mass percent sum of component is 100% in the composition.
The viscosity of wherein used polymeric amide basis resin is respectively 2.4～3.4, and the melt flow rate (MFR) of polyoxymethylene is 10～21g/10min.Used fire retardant is the red phosphorus master batch, and its content is 1%～30% (massfraction).The roving of used glass fibre for crossing through coupling agent treatment, its content is 1%～30% (massfraction).Used releasing agent is the two hard acid acid amides (EBS) of ethylene, is 0～1% in its content of massfraction.Used primary antioxidant adopts Hinered phenols antioxidant 1098 or 1010, and auxiliary antioxidant adopts phosphite ester kind antioxidant 168, is respectively 0～1% in its content of massfraction.
With the base resin of above-mentioned predetermined proportion mix with the filler composition, extrusion molding and pelletizing obtain composition of the present invention.Wherein extrusion temperature is controlled at 200 to 320 ℃.Also can add suitable pigment in the composition mixes colours.
With respect to scheme of the prior art, advantage of the present invention is:
Fire-retarding reinforced polyamide/polyformaldehyde composition that the present invention obtains not only has good mechanical performance, good flame resistance, and possesses good processibility, can be used as the material of using of low-voltage apparatus housing.Fire-retarding reinforced polyamide/polyformaldehyde composition of the present invention can be used as material, especially the low-voltage circuit breaker casing for electric appliances of electronic apparatus component products such as breaker of plastic casing low-voltage apparatus housing, terminal box, connector, switch.And the present invention can make full use of polyamide polymer, the polymethanal polymer of recovery, expect as cast gate material, the former of moulding of salvage material injection moulding machine, and the head material of forcing machine, scrap stock, and nylon waste silk etc.
Embodiment
Below in conjunction with specific embodiment such scheme is described further.Should be understood that these embodiment are used to the present invention is described and are not limited to limit the scope of the invention.The implementation condition that adopts among the embodiment can be done further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in the normal experiment.
Flame-retardant reinforced polymeric amide/the polyformaldehyde composition of the embodiment of the invention, be made up of PA66, PA6 and POM base resin, glass fibre, fire retardant, stablizer, oxidation inhibitor, releasing agent, each components contents (massfraction) is: PA66 resin 10% to 95%, PA6 resin 1% to 95%; POM resin 1% to 50%; The viscosity of used polymeric amide basis resin is 2.4～3.4, and the melt flow rate (MFR) of polyoxymethylene is 10～21g/10min.
Used fire retardant is the red phosphorus master batch, and its content is 1%～30% (massfraction).Red phosphorus combustion inhibitor and polymeric amide have the red phosphorus master batch of excellent compatibility.Stablizer is the UV stablizer.The roving of used glass fibre for crossing through coupling agent treatment, its content (massfraction) is 1%～30% of composition.Used releasing agent is the two hard acid acid amides (EBS) of ethylene.Used primary antioxidant adopts Hinered phenols antioxidant 1098 or 1010, and auxiliary antioxidant adopts phosphite ester kind antioxidant 168.
The preparation technology who adopts is: PA66, PA6, POM and various additive (except the glass fibre) are mixed the back through high-speed mixer add the twin screw extruder feeding cylinder, glass fibre is from adding fine mouthful of adding, through melt extrude, cooling, granulation just can get composition.Wherein each of twin screw extruder section temperature is: disconnected 170～190 ℃ of feeding, plasticizing are sheared disconnected 200～320 ℃, 200～320 ℃ of heads, screw speed 30～190rpm.
Embodiment
In order to prove the improvement to flame retardant properties and mechanical property of the present invention, adopt following material to prepare the composition of present embodiment: the PA66 of employing, manufacturer are Henan Shenma Nylon Chemical Co.,Ltd, and model is EPR2703; PA6, manufacturer are Meida Nylon Co., Ltd., Xinhui, Guangdong, and model is M32800; POM, manufacturer are Japanese Asahi Chemical Industry, and model is LA541; Glass fibre, manufacturer is a megalith group, model is 352B; The red phosphorus master batch, manufacturer is a morning twilight chemical research institute, model is RPM440; Oxidation inhibitor 1098, manufacturer is Switzerland Ciba, model is Irganox1098; Oxidation inhibitor 168, manufacturer is Switzerland Ciba, model is Irganox 168; EBS, manufacturer are Japanese Kao, and model is EB-G.
Obtain the test composition of embodiment 1～4 according to above-mentioned preparation technology by the formula rate of table 1.The rerum natura of present embodiment test composition is investigated the following standard that adopts: water absorption test adopts ASTMD570 test, tension test to adopt ASTM D638 test, pliability test to adopt ASTM D790 test, heat-drawn wire test to adopt ASTM D648 test, combustibility test to adopt ANSI/UL94 test, glow wire test to adopt IEC 60695-2-12 test; The result is as shown in table 2.
The composite formula of each embodiment of table 1
In the table 1 in the composition each component concentration all by massfraction.
The rerum natura of table 2 test composition is investigated the result
Above-mentioned example only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the people who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalent transformations that spirit is done according to the present invention or modification all should be encompassed within protection scope of the present invention.
Claims (10)
1. thermoplastic compounds is characterized in that described composition comprises in the massfraction of its component:
Polyamide 66 10%～95%;
Polyamide 6 1%～95%;
Polyoxymethylene 1%～50%;
Other auxiliary packings 0～60%;
Wherein other auxiliary packings are made up of glass fibre, fire retardant, coupling agent, stablizer, releasing agent and oxidation inhibitor.
2. thermoplastic compounds according to claim 1 is characterized in that described composition comprises in the massfraction of its component:
Polyamide 66 20%～80%;
Polyamide 6 1%～30%;
Polyoxymethylene 1%～30%;
Other auxiliary packings 10%～50%.
3. thermoplastic compounds according to claim 1 is characterized in that described composition comprises in the massfraction of its component:
Polyamide 66 30%～60%;
Polyamide 6 1%～15%;
Polyoxymethylene 1%～15%;
Other auxiliary packings 20%～50%.
4. thermoplastic compounds according to claim 1, the viscosity that it is characterized in that used polyamide 66 base resin in the described composition is 2.4～3.4, the viscosity of polyamide 6 base resin is 2.4～3.4, and the melt flow rate (MFR) of polyoxymethylene is 10～21g/10min.
5. thermoplastic compounds according to claim 1 is characterized in that the fire retardant that uses in the described composition is the red phosphorus master batch, is 1%～30% in its content of massfraction.
6. thermoplastic compounds according to claim 1 is characterized in that the roving of used glass fibre for crossing through coupling agent treatment in the described composition, is 0%～30% in its content of massfraction.
7. thermoplastic compounds according to claim 1 is characterized in that used coupling agent is silane coupling agent KH550 in the described composition, is 0～1% in its content of massfraction.
8. thermoplastic compounds according to claim 1 is characterized in that used releasing agent is the two hard acid acid amides of ethylene in the described composition, is 0～1% in its content of massfraction.
9. thermoplastic compounds according to claim 1 is characterized in that used antioxidant comprises primary antioxidant, auxiliary antioxidant in the described composition; Wherein primary antioxidant adopts Hinered phenols antioxidant 1098 or 1010, and auxiliary antioxidant adopts phosphite ester kind antioxidant 168; Be respectively 0～1% in its content of massfraction.
10. the preparation method of a thermoplastic compounds, it is characterized in that described method comprise according to predetermined ratio make that base resin mixes with other filler compositions, the step of extrusion molding and pelletizing formation thermoplastic compounds; Extrusion temperature is 200～320 ℃ in the described method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100684604A CN102120881A (en) | 2011-03-22 | 2011-03-22 | Inflaming retarding reinforced polyamide/polyformaldehyde composition and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100684604A CN102120881A (en) | 2011-03-22 | 2011-03-22 | Inflaming retarding reinforced polyamide/polyformaldehyde composition and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102120881A true CN102120881A (en) | 2011-07-13 |
Family
ID=44249556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100684604A Pending CN102120881A (en) | 2011-03-22 | 2011-03-22 | Inflaming retarding reinforced polyamide/polyformaldehyde composition and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102120881A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102504525A (en) * | 2011-11-10 | 2012-06-20 | 浙江七色鹿色母粒有限公司 | Polyformaldehyde masterbatch with double-function of toughening and coloring, and preparation method thereof |
| CN102634192A (en) * | 2012-05-21 | 2012-08-15 | 金发科技股份有限公司 | High glow-wire resistance temperature polyphenylether / nylon-based resin composition |
| CN103073878A (en) * | 2012-09-26 | 2013-05-01 | 天津金发新材料有限公司 | Polyamide composition, and preparation method and application thereof |
| CN103194060A (en) * | 2013-03-14 | 2013-07-10 | 宁波市鄞州东龙电子科技有限公司 | Wear-resisting plastic of producing timer cam |
| CN110003645A (en) * | 2019-04-18 | 2019-07-12 | 南通瑞隆新材料有限公司 | A kind of fire-retardant reinforced plastic PA66 composite material and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101720340A (en) * | 2007-06-29 | 2010-06-02 | 罗狄亚聚酰胺有限公司 | Thermoplastic polyamide resin composition having improved paint adhesion |
| CN101805515A (en) * | 2010-03-17 | 2010-08-18 | 浙江俊尔新材料有限公司 | Wearing-resistant reinforcing polyamide/polyformaldehyde alloy material and method for preparing same |
-
2011
- 2011-03-22 CN CN2011100684604A patent/CN102120881A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101720340A (en) * | 2007-06-29 | 2010-06-02 | 罗狄亚聚酰胺有限公司 | Thermoplastic polyamide resin composition having improved paint adhesion |
| CN101805515A (en) * | 2010-03-17 | 2010-08-18 | 浙江俊尔新材料有限公司 | Wearing-resistant reinforcing polyamide/polyformaldehyde alloy material and method for preparing same |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102504525A (en) * | 2011-11-10 | 2012-06-20 | 浙江七色鹿色母粒有限公司 | Polyformaldehyde masterbatch with double-function of toughening and coloring, and preparation method thereof |
| CN102504525B (en) * | 2011-11-10 | 2013-06-12 | 浙江七色鹿色母粒有限公司 | Polyformaldehyde masterbatch with double-function of toughening and coloring, and preparation method thereof |
| CN102634192A (en) * | 2012-05-21 | 2012-08-15 | 金发科技股份有限公司 | High glow-wire resistance temperature polyphenylether / nylon-based resin composition |
| CN102634192B (en) * | 2012-05-21 | 2015-04-08 | 金发科技股份有限公司 | High glow-wire resistance temperature polyphenylether / nylon-based resin composition |
| CN103073878A (en) * | 2012-09-26 | 2013-05-01 | 天津金发新材料有限公司 | Polyamide composition, and preparation method and application thereof |
| CN103194060A (en) * | 2013-03-14 | 2013-07-10 | 宁波市鄞州东龙电子科技有限公司 | Wear-resisting plastic of producing timer cam |
| CN110003645A (en) * | 2019-04-18 | 2019-07-12 | 南通瑞隆新材料有限公司 | A kind of fire-retardant reinforced plastic PA66 composite material and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102040833B (en) | Halogen-free enhanced flame-retardant high-CTI value PA6 material for circuit breaker and preparation method thereof | |
| CN102850661B (en) | Halogen-free flame-retardant PP/polyester alloy and preparation method thereof | |
| CN106189221B (en) | A kind of halogen-free flame-retardant glass fiber enhancing nylon and its preparation method and application | |
| CN104693790B (en) | A kind of low cost halogen-free flame-retardant polyamide material for low-voltage apparatus shell | |
| CN102337029B (en) | Halogen-free flame-retardant nylon 66 composite material and preparation method thereof | |
| CN102816427A (en) | High-flame-retardance high-heat-resistance halogen-free flame-retardant thermoplastic polyurethane elastomer cable material and preparation method thereof | |
| CN103131085B (en) | A kind of high tenacity environment-friendly flame-proof polypropylene material and preparation method thereof and application | |
| CN101469119A (en) | Flame-retardant reinforced polycarbonate composition | |
| CN102604380A (en) | High-heat-resistance and high-CTI (Comparative Tracking Index) inflaming retarding polyamide composite material and production process thereof | |
| CN103059542A (en) | Halogen-free flame-retardant PC-PET (polycarbonate-polyethylene terephthalate) alloy film and its making method | |
| CN103030879A (en) | Environment-friendly flame retardance permanent antistatic polypropylene material and preparation method of environment-friendly flame retardance permanent antistatic polypropylene material | |
| CN105062062A (en) | Halogen-free flame-retardant nylon composite material and preparation method thereof | |
| CN102120881A (en) | Inflaming retarding reinforced polyamide/polyformaldehyde composition and preparation method thereof | |
| CN102516749A (en) | Polyamide halogen-free flame retardant master batch and preparation method thereof | |
| CN102382465A (en) | Halogen-free flame retarding strengthened PA66 material and preparation method thereof | |
| CN103160036A (en) | Anti-flaming high-impact modified polystyrene resin and preparation method thereof | |
| CN103333469A (en) | Halogen-free flame-retardant PET (polyethylene terephthalate) composite material and preparation method thereof | |
| CN102241857A (en) | Polypropylene flame-retardant masterbatch material and preparation method thereof | |
| CN103387745A (en) | Flame-retardant glass-fiber reinforced polyamide/polyphenylene sulfide alloy material and preparation method thereof | |
| CN105482349A (en) | High temperature resistant halogen-free flame retardant ABS composition | |
| CN105038211A (en) | Low-corrosion and low-odor glassfiber reinforced red phosphorus flame-retardant nylon 66 composite and preparation method thereof | |
| CN102492290B (en) | Preparation method for high-strength high-toughness flame-retardant polyamide | |
| CN101161719B (en) | Special material for injection grade non-halogen flame-retardant wire plug and preparation method thereof | |
| CN104448554A (en) | Highlight high-flexibility polypropylene environment-friendly flame retardant material and preparation method thereof | |
| CN102816405B (en) | Low-smoke halogen-free flame-retardant thermoplastic elastomer and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110713 |