CN103012922B - Flame-retardant glass fiber-reinforced HDPE/PA46 alloy material with high CTI value and high GWIT value - Google Patents

Flame-retardant glass fiber-reinforced HDPE/PA46 alloy material with high CTI value and high GWIT value Download PDF

Info

Publication number
CN103012922B
CN103012922B CN201210519877.2A CN201210519877A CN103012922B CN 103012922 B CN103012922 B CN 103012922B CN 201210519877 A CN201210519877 A CN 201210519877A CN 103012922 B CN103012922 B CN 103012922B
Authority
CN
China
Prior art keywords
hdpe
alloy material
flame
glass fibre
value
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.)
Expired - Fee Related
Application number
CN201210519877.2A
Other languages
Chinese (zh)
Other versions
CN103012922A (en
Inventor
郭建鹏
孙凯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Rizhisheng New Technology Development Co Ltd
Original Assignee
Shanghai Rizhisheng New Technology Development Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Rizhisheng New Technology Development Co Ltd filed Critical Shanghai Rizhisheng New Technology Development Co Ltd
Priority to CN201210519877.2A priority Critical patent/CN103012922B/en
Publication of CN103012922A publication Critical patent/CN103012922A/en
Application granted granted Critical
Publication of CN103012922B publication Critical patent/CN103012922B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • 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
    • 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
    • B29C2948/92885—Screw or gear
    • 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 flame-retardant glass fiber-reinforced HDPE/PA46 alloy material with a high CTI value and a high GWIT value. The alloy material comprises the following components: by weight, 23 to 41% of HDPE, 22 to 41% of PA46, 6 to 20% of a compound fire retardant, 3 to 15% of antimonony oxide, 20 to 30% of a glass fiber, 2 to 10% of a compatilizer, 0.1 to 1% of an anti-oxidant and 0.1 to 1% of an oxide. The invention also relates to a preparation method for the alloy material, and the method comprises the following steps: weighing the components in proportion, adding the weighed components into a high-speed mixer for mixing for 2 to 5 min, then carrying out discharging and finally carrying out extrusion granulation in a twin-screw extruder, wherein processing temperature is 220 to 240 DEG C and screw revolution is 30 to 40 Hz. Compared with the prior art, the alloy material provided by the invention has the advantages of a high CTI value, low precipitation performance, etc.

Description

A kind of high CTI value, high GWIT value flame-proof glass fibre strengthen HDPE/PA46 alloy material
Technical field
The present invention relates to a kind of alloy material, especially relate to a kind of high CTI value, high GWIT value flame-proof glass fibre strengthens HDPE/PA46 alloy material.
Background technology
Nylon (Nylon), Chinese name polymeric amide, English name Polyamide (be called for short PA), be on molecular backbone chain containing recurring amide radical group-[NHCO]-thermoplastic resin general name.Its name is determined by the carbonatoms that synthon is concrete, as: nylon-6,66,1010,610. its degree of crystallinity are high, fusing point is obvious; Surface hardness is large, abrasion performance, frictional coefficient are little, have self lubricity and sound-deadening properties.Low-temperature performance is good, has certain thermotolerance (can use below 100 degree).Nontoxic, odorless, not go rotten, have self-extinguishing, good weatherability, but dyeability is poor.High-performance poly acid amides 46 has the performance and value that are difficult to compare at automobile and electronic application field, very good mechanical properties under hot conditions, the wear resistance of brilliance and the mobility of low friction and excellence can be provided, make processing treatment more convenient, particular design is more flexible.The performance of Stanyl has surmounted PPA, PA6T, PA9T, is usually better than PPS and LCP material under the working conditions needing high temperature simultaneously.High density polyethylene(HDPE) (High Densiyy Polyethylene, referred to as " HDPE ") is high, the nonpolar thermoplastic resin of a kind of degree of crystallinity.The milky appearance of ortho states HDPE, translucent in meagre cross section in a certain degree.PE has excellent resistance to great majority life and the characteristic of chemicals for industrial use.The chemical of some kind can produce chemical corrosion, such as corrosive oxidation agent (concentrated nitric acid), aromatic hydrocarbon (dimethylbenzene) and halon (tetracol phenixin).Non-hygroscopic and the steam-preventing had of this polymkeric substance, can be used for packing purposes.HDPE has good electrical property, and particularly dielectric strength is high, makes it be applicable to electric wire very much.In to high molecular weight grades, there is fabulous shock resistance, even all like this under-40F low temperature at normal temperature.HDPE/PA46 alloy material combines the advantage of bi-material.21 century, electric appliance communication equipment was to high-performance microization development, and more and more higher to the requirement of Flame Retardant HDPE/PA46 alloy material, meanwhile, along with the mankind are to the understanding of environmental protection, Green Product is subject to common concern.Therefore, Flame Retardant HDPE/PA46 alloy material developing direction is; Performance function Flame Retardant HDPE/PA46 alloy material becomes main flow; The kind of environmental type Flame Retardant HDPE/PA46 alloy material and demand get more and more; The production of Flame Retardant HDPE/PA46 alloy material is to multi items seriation future development; The use diversification of fire retardant, compound development.Some traditional modes are (GF+ TDE+antimonous oxide) compound system, (GF+ brominated Polystyrene+antimonous oxide) compound system, but the CTI value of these compound systems and GWIT value are not high, are not suitable for the power utilization environment of high request.This material is applicable to Low-voltage Electronic capacitor case, load break switch, carbon brush supports, breaker of plastic casing.
Summary of the invention
Object of the present invention is exactly provide high CTI value, high GWIT value flame-proof glass fibre enhancing HDPE/PA46 alloy material to overcome defect that above-mentioned prior art exists; alloy material of the present invention has high CTI value, low precipitation; environmental protection; over-all properties is balanced, can be widely used in the field of electronics such as contactor, earth leakage protective device, case for circuit breaker.
The present invention can be achieved through the following technical solutions:
First aspect, the present invention relates to high CTI value, high GWIT value flame-proof glass fibre strengthens HDPE/PA46 alloy material, described alloy material comprises each component of following weight percentage:
HDPE 23-41％
PA46 22-41％，
Compound flame redundant 6-20%,
Antimonous oxide 3-15%,
Glass fibre 20-30%,
Compatilizer 2-10%,
Oxidation inhibitor 0.1-1%,
Oxide compound 0.1-1%.
Preferably, described HDPE is commercially available high density polyethylene(HDPE).
Preferably, described PA46 is commercially available nylon 12, and its limiting viscosity is 2.8dl/g.
Preferably, described compound flame redundant forms by each component of following mass percent is composite: BPS:50%, magnesium hypophosphite: 25%, talcum powder: 25%.
Preferably, described glass fibre is alkali free glass fibre, and its surface is through silane coupling agent process.
Preferably, described compatilizer is maleic anhydride graft HDPE.
Preferably, described oxidation inhibitor is Hinered phenols antioxidant.
Preferably, described oxidation inhibitor is oxidation inhibitor 1330.
Preferably, described oxide compound is ferric oxide.
Second aspect, the invention still further relates to the preparation method of aforementioned high CTI value, high GWIT value flame-proof glass fibre enhancing HDPE/PA46 alloy material, comprise the steps: to take raw material by following weight proportion: HDPE 23-41%, PA4622-41%, compound flame redundant 6-20%, antimonous oxide 3-15%, glass fibre 20-30%, compatilizer 2-10%, oxidation inhibitor 0.1-1%, oxide compound 0.1-1% puts into high-speed mixer and mixing 2-5 minute, discharging, then use twin screw extruder extruding pelletization, processing temperature is 200-220 DEG C, and screw rod revolution is 30-40Hz.
Compared with prior art, the present invention adopts novel flame-retardant compound system, and when fire retardant percentage composition is identical, novel built system can make the glowing filament of material improve 50 to 100 DEG C, can pass through 850 DEG C of glowing filaments.Simultaneously, adding of glass fibre also makes the glowing filament of material significantly improve, adding compatilizer is impact property for improving material, oxidation inhibitor is that a kind of Hinered phenols antioxidant can improve the ageing resistance of alloy material in the antioxidant property and use procedure of the course of processing, adopt ferric oxide as raising CTI auxiliary agent, improve materials processing mobility, reduce frictional coefficient, improve slipping, adopt better dispersed under specific processing conditions, the residence time is short, shear slightly weak combination, prevent fire retardant from decomposing, thus ensure that the steady quality of material, it is higher that the present invention has glow wire temperature, there is creepage trace index higher, environmental protection, over-all properties is balanced, Low-voltage Electronic capacitor case can be widely used in, load break switch, carbon brush supports, breaker of plastic casing.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made.These all belong to protection scope of the present invention.
embodiment 1 ~ 6
Raw material and the weight percent content thereof of embodiment 1 ~ 2 are as shown in table 1; Described raw material is taken by described weight percent content; Put into high-speed mixer and mixing 2 ~ 5 minutes, discharging, then use twin screw extruder extruding pelletization, obtained high CTI value, high GWIT value flame-proof glass fibre strengthen HDPE/PA46 alloy material; Wherein processing temperature is 220-240 DEG C, and screw rod revolution is 30-40Hz; Concrete processing situation is as shown in table 2, and obtained sample tests is shown in Table 3.
comparative example 1 ~ 2
Raw material and the weight percent content thereof of comparative example 1 ~ 3 are as shown in table 1; Described raw material is taken by described weight percent content; Put into high-speed mixer and mixing 2 ~ 5 minutes, discharging, then use twin screw extruder extruding pelletization, obtained high CTI value, high GWIT value flame-proof glass fibre strengthen HDPE/PA46 alloy material; Wherein processing temperature is 220-240 DEG C, and screw rod revolution is 30-40Hz; Concrete processing situation is as shown in table 2, and obtained sample tests is shown in Table 3.
Table 1
Table 2
Table 3
To have glow wire temperature (GWIT) higher for inventive samples as can be seen from the above table, has creepage trace index higher (CTI), environmental protection, over-all properties is balanced, is widely used in Low-voltage Electronic capacitor case, load break switch, carbon brush supports, breaker of plastic casing.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.

Claims (5)

1. high CTI value, high GWIT value flame-proof glass fibre strengthen a HDPE/PA46 alloy material, and it is characterized in that, described alloy material comprises each component of following weight percentage:
Described PA46 is nylon 46, and its limiting viscosity is 2.8dl/g;
Described compound flame redundant forms by each component of following mass percent is composite: be BPS:50%, magnesium hypophosphite: 25%, talcum powder: 25%;
Described glass fibre is alkali free glass fibre, and its surface is through silane coupling agent process;
Described compatilizer is maleic anhydride graft HDPE;
Described oxide compound is ferric oxide.
2. high CTI value according to claim 1, high GWIT value flame-proof glass fibre strengthen HDPE/PA46 alloy material, and it is characterized in that, described HDPE is high density polyethylene(HDPE).
3. high CTI value according to claim 1, high GWIT value flame-proof glass fibre strengthen HDPE/PA46 alloy material, and it is characterized in that, described oxidation inhibitor is Hinered phenols antioxidant.
4. high CTI value according to claim 3, high GWIT value flame-proof glass fibre strengthen HDPE/PA46 alloy material, and it is characterized in that, described oxidation inhibitor is oxidation inhibitor 1330.
5. a high CTI value as claimed in claim 1, high GWIT value flame-proof glass fibre strengthen the preparation method of HDPE/PA46 alloy material, it is characterized in that, comprise the steps: to take raw material by following weight proportion: HDPE 23-41%, PA4622-41%, compound flame redundant 6-20%, antimonous oxide 3-15%, glass fibre 20-30%, compatilizer 2-10%, oxidation inhibitor 0.1-1%, oxide compound 0.1-1%; Put into high-speed mixer and mixing 2-5 minute afterwards, discharging, then use twin screw extruder extruding pelletization, processing temperature is at 220-240 DEG C, and screw rod revolution is at 30-40Hz.
CN201210519877.2A 2012-12-06 2012-12-06 Flame-retardant glass fiber-reinforced HDPE/PA46 alloy material with high CTI value and high GWIT value Expired - Fee Related CN103012922B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210519877.2A CN103012922B (en) 2012-12-06 2012-12-06 Flame-retardant glass fiber-reinforced HDPE/PA46 alloy material with high CTI value and high GWIT value

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210519877.2A CN103012922B (en) 2012-12-06 2012-12-06 Flame-retardant glass fiber-reinforced HDPE/PA46 alloy material with high CTI value and high GWIT value

Publications (2)

Publication Number Publication Date
CN103012922A CN103012922A (en) 2013-04-03
CN103012922B true CN103012922B (en) 2015-06-03

Family

ID=47962055

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210519877.2A Expired - Fee Related CN103012922B (en) 2012-12-06 2012-12-06 Flame-retardant glass fiber-reinforced HDPE/PA46 alloy material with high CTI value and high GWIT value

Country Status (1)

Country Link
CN (1) CN103012922B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101418093A (en) * 2007-10-26 2009-04-29 张发饶 Polyethylene/nylon plastic alloy and production method thereof and compatible binder thereof
CN102086301A (en) * 2009-12-08 2011-06-08 天津德昊超微新材料有限公司 Flame-retardant PA (Polyamide)/PE (Poly Ethylene) alloy material for electric switch
CN102108187A (en) * 2009-12-28 2011-06-29 上海日之升新技术发展有限公司 High glowing filament environmental-friendly inflaming retarding reinforced polybutylece terephthalate (PBT)/acrylonitrile butadiene styrene (ABS) alloy material and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101418093A (en) * 2007-10-26 2009-04-29 张发饶 Polyethylene/nylon plastic alloy and production method thereof and compatible binder thereof
CN102086301A (en) * 2009-12-08 2011-06-08 天津德昊超微新材料有限公司 Flame-retardant PA (Polyamide)/PE (Poly Ethylene) alloy material for electric switch
CN102108187A (en) * 2009-12-28 2011-06-29 上海日之升新技术发展有限公司 High glowing filament environmental-friendly inflaming retarding reinforced polybutylece terephthalate (PBT)/acrylonitrile butadiene styrene (ABS) alloy material and preparation method thereof

Also Published As

Publication number Publication date
CN103012922A (en) 2013-04-03

Similar Documents

Publication Publication Date Title
CN103013030B (en) Flame-retardant glass fiber-reinforced ABS/PA6/PA66 alloy material with high CTI value and high GWIT value
CN102964829B (en) Environment-friendly and flame-retardant glass fiber reinforced PA (polyamide) 66/PPO (polyphenylene oxide) alloy material with high CTI (comparative tracking index) value and high GWIT (glow-wire ignition temperature) value and preparation method thereof
CN102108189A (en) Polybutylece terephthalate (PBT)/poly(ethylene terephthalate) (PET) alloy material and preparation method thereof
CN103012921B (en) Flame-retardant glass fiber-reinforced HDPE/PA66 alloy material with high CTI value and high GWIT value
CN103013101B (en) Flame-retardant glass fiber-reinforced PA6/PA66 alloy material with high CTI value and high GWIT value
CN103013028A (en) Flame-retardant glass fiber-reinforced ABS material with high CTI value and high GWIT value
CN102964688B (en) A kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthen PP/PA11 alloy material and preparation method thereof
CN103012926B (en) Flame-retardant glass fiber-reinforced HDPE/PA12 alloy material with high CTI value and high GWIT value
CN103012927B (en) Flame-retardant glass fiber-reinforced HDPE/PA6 alloy material with high CTI value and high GWIT value
CN102993565B (en) Environment-friendly and flame-retardant glass fibre reinforced PP/PA1010 alloy material with high CTI (comparative tracking index) valve and high GWIT (glow wire ignition temperature) value and preparation method thereof
CN103012922B (en) Flame-retardant glass fiber-reinforced HDPE/PA46 alloy material with high CTI value and high GWIT value
CN103013027B (en) Flame-retardant glass fiber-reinforced ABS/PA66 alloy material with high CTI value and high GWIT value
CN103012925B (en) Flame-retardant glass fiber-reinforced HDPE/PA11 alloy material with high CTI value and high GWIT value
CN102964687B (en) A kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthen PP/PA6 alloy material and preparation method thereof
CN103013029B (en) Flame-retardant glass fiber-reinforced ABS/PA6 alloy material with high CTI value and high GWIT value
CN103012919B (en) Flame-retardant glass fiber-reinforced HDPE/PA1010 alloy material with high CTI value and high GWIT value
CN103012924B (en) Flame-retardant glass fiber-reinforced HDPE/PA610 alloy material with high CTI value and high GWIT value
CN103012920B (en) Flame-retardant glass fiber-reinforced HDPE/PA612 alloy material with high CTI value and high GWIT value
CN102952397B (en) Environment-friendly flame-retardant glass fiber reinforced PA6 (Polyamide 6) material and preparation method thereof
CN102964821B (en) Flame-retardant glass fiber reinforced PA6 (polyamide 6)/PPO (P-Polyphenylene Oxide) alloy material and preparation method thereof
CN103012923B (en) Flame-retardant glass fiber-reinforced HDPE material with high CTI value and high GWIT value
CN102952338B (en) Environment-friendly flame retardant glass fiber reinforced polypropylene/ polyamide66 (PP/ PA66) alloy material with high comparative tracking index (CTI) value and high glow wire ignition temperature (GWIT) value and preparation method thereof
CN102952339B (en) A kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthen PP/PA12 alloy material and preparation method thereof
CN102964685B (en) A kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthen PP/PA46 alloy material and preparation method thereof
CN102936376B (en) Environment-friendly flame-retardant glass fiber reinforced PP/PA610 (polypropylene/polyamide 610) alloy material with high CTI (comparative tracking index) value and high GWIT (glow-wire ignition temperature) value 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
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150603

Termination date: 20151206

EXPY Termination of patent right or utility model