CN108641309A - A kind of relay halogen-free enhanced flame-retardant PBT material and preparation method thereof - Google Patents
A kind of relay halogen-free enhanced flame-retardant PBT material and preparation method thereof Download PDFInfo
- Publication number
- CN108641309A CN108641309A CN201810375831.5A CN201810375831A CN108641309A CN 108641309 A CN108641309 A CN 108641309A CN 201810375831 A CN201810375831 A CN 201810375831A CN 108641309 A CN108641309 A CN 108641309A
- Authority
- CN
- China
- Prior art keywords
- weight
- parts
- halogen
- retardant
- enhanced flame
- 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
-
- 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
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
- C08F255/02—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/016—Additives defined by their aspect ratio
-
- 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
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
-
- 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
Abstract
The invention discloses a kind of relay halogen-free enhanced flame-retardant PBT materials, including following components, by weight：40~60 parts by weight of PET resin；20~30 parts by weight of surface treated basalt fiber；13~16 parts by weight of halogen-free flame retardants；Make 3~7 parts by weight of toughener by oneself；0.2~0.7 parts by weight of antioxidant；0.3~0.8 parts by weight of lubricant；0.2~0.5 parts by weight of nucleating agent.The invention also discloses a kind of relay preparation methods of halogen-free enhanced flame-retardant PBT material.The present invention has many advantages, such as higher heat distortion temperature, excellent mechanical property and environmentally protective flame retardant effect.
Description
Technical field
The invention belongs to modified engineered plastic manufacturing fields, and in particular to a kind of relay halogen-free enhanced flame-retardant PBT materials
Material and preparation method thereof.
Background technology
Polybutylene terephthalate (PBT) (PBT) is a kind of thermoplastic engineering plastic of high comprehensive performance, is had higher
Mechanical strength, chemical reagent resistance outstanding, heat resistance and good electrical insulation capability.Crystallization rate is fast simultaneously, mobility
Good, short molding cycle, injection molding processing performance is good, is widely used in the fields such as automobile, electric and machine-building.
Relay is a kind of switching device being operated in control loop, is usually applied in control circuit, has and passes through work(
Rate is big, physical isolation reliability is high, environment influences the features such as low to switching characteristic.Traditional relay enhancing flame-retardant PBT material
Material can have that melt flows plastics are relatively low, appearance is more difficult moulds, processes relatively difficult and do not meet Halogen RoHS requirement.
Invention content
The present invention provides a kind of relay halogen-free enhanced flame-retardant PBT material, guarantee possesses traditional relay material
While performance, mobility of the material in injection moulding process is improved；While not influencing material property, the processing of material is promoted
Performance；Meet Halogen RoHS requirements.
Another object of the present invention is to provide a kind of preparation method of relay halogen-free enhanced flame-retardant PBT material.
The purpose of the invention is achieved by the following technical solution：A kind of relay halogen-free enhanced flame-retardant PBT material, including
Following components, by weight：
Polymer or butanediol that the PBT resin, which is butanediol and terephthalic acid (TPA), to be obtained by polycondensation reaction and right
The polymer that benzene dicarboxylic acid butanediol ester analog derivative is obtained by polycondensation reaction, intrinsic viscosity 0.8-1.3ml/g.
The fire retardant is hypo-aluminum orthophosphate.
The filler is flat by using the silane coupling agent of epoxy group or amido functional group to be surface-treated
Glass fibre；Aspect ratio is 4:1, a diameter of 20~30 μm of major diameter.
The filler processing method is：Pending glass fibre is subjected to corrosion treatment in corrosive liquid, corrodes duration
It it is 30~40 seconds, wherein corrosive liquid includes the corrosion inhibiter that mass fraction is 0.05%~0.5% and mass fraction is
99.5%~99.95% acidic aqueous solution；Glass fibre after corrosion is subjected to infiltration processing in coupling agent；At infiltration
Processing is dried in glass fibre after reason.
The toughener is homemade maleic anhydride stem grafting polyolefin；Homemade maleic anhydride stem grafting polyolefin is by polyene
Hydrocarbon, maleic anhydride, DCP, DLTP are made by melting extrusion, and specific consumption proportion is as follows：
The antioxidant is one or both of Hinered phenols, phosphite antioxidant；At two kinds, Hinered phenols
It is 1 with phosphite ester kind antioxidant weight proportion:2.
The lubricant is the composition of one or both of silicone master batch or pentaerythritol stearate, the two compounding
When silicone master batch and pentaerythrite stearic acid weight proportion be 2:3.
The above-mentioned relay preparation method of halogen-free enhanced flame-retardant PBT material, includes the following steps：
(1), raw material weighs：By weight：
(2), the PBT resin in step (1), fire retardant are added to high-speed mixer, mixed 10~20 seconds；
(3), it is added in toughener, antioxidant and the lubricant to the mixture of step (2) weighed up in step (1), continues
Mixing 40 seconds；
(4), the raw material mixed being added in double screw extruder, the filler weighed in step (1) adds fine mouth to be added,
200 DEG C~230 DEG C melting extrusions, cooling and dicing obtain composite material.
The rotating speed of step (2) the high speed mixing machine is 400~600rpm；The PBT resin is for butanediol and to benzene
The polymer or butanediol and mutual-phenenyl two acid bromide two alcohol ester's analog derivative that dioctyl phthalate is obtained by polycondensation reaction are anti-by polycondensation
The polymer that should be obtained, intrinsic viscosity 0.8-1.3ml/g；The fire retardant is hypo-aluminum orthophosphate；The filler is by adopting
The flat glass fiber being surface-treated with the silane coupling agent of epoxy group or amido functional group；Aspect ratio is 4:1, major diameter
A diameter of 20~30 μm；The filler processing method is：Pending glass fibre is subjected to corrosion treatment in corrosive liquid, it is rotten
A length of 30~40 seconds when erosion, wherein corrosive liquid includes the corrosion inhibiter and mass fraction that mass fraction is 0.05%~0.5%
For 99.5%~99.95% acidic aqueous solution；Glass fibre after corrosion is subjected to infiltration processing in coupling agent；It will infiltration
Treated, and processing is dried in glass fibre；The toughener is homemade maleic anhydride stem grafting polyolefin by polyolefin, horse
Carry out acid anhydrides, DCP, DLTP are made by melting extrusion, specific consumption proportion：60~80 parts by weight of polyolefin；Maleic anhydride 3~6
Parts by weight；The parts by weight of DCP0.3~0.6；The parts by weight of DLTP0.1~0.3；The antioxidant is Hinered phenols, phosphorous acid esters are anti-
One or both of oxidant；At two kinds, Hinered phenols and phosphite ester kind antioxidant weight proportion are 1:2；The lubrication
Agent is the composition of one or both of silicone master batch or pentaerythritol stearate, silicone master batch and season penta when the two compounds
Tetrol stearic acid weight proportion is 2:3.
PBT modified materials hypo-aluminum orthophosphate combustion inhibitor compounding produced by the present invention reaches halogen-free flameproof requirement, uses Ji Wusi
Alcohol stearate improves material lubricity and melt flow rate (MFR).
The present invention compared with the existing technology the advantages of and effect be：
1, compared with traditional relay uses PBT material, high fluidity relay Halogen enhancing prepared by the present invention hinders
The characteristics of firing PBT environmental protection and high fluidity, has higher mechanical performance and melt flow rate (MFR) under the same conditions.
2, the high fluidity relay halogen-free enhanced flame-retardant PBT shock resistances that prepared by the present invention are superior, notch shock
For 9.5kJ/m2, non-notch impact is 45kJ/m2。
3, high fluidity relay prepared by the present invention is 26.3g/ with halogen-free enhanced flame-retardant PBT melt flow rate (MFR)s
10min。
4, the high fluidity relay halogen-free enhanced flame-retardant PBT production product that prepared by the present invention has brighter and cleaner outer
It sees.
Specific implementation mode
With reference to embodiment, the present invention is described in further detail, and embodiments of the present invention are not limited thereto.
Embodiment 1
70 parts by weight of PBT resin are weighed, 10 parts by weight of hypo-aluminum orthophosphate combustion inhibitor make 3 parts by weight of toughener, antioxidant by oneself
0.6 parts by weight, 0.9 parts by weight of lubricant, it is uniform to be added to high-speed mixer and mixing in certain sequence, is added to by main feeding hopper
In double screw extruder, while the fiber glass packing of 20 parts by weight being added by glass fiber opening, melted through double screw extruder,
It is kneaded, squeezes out, is granulated, obtain high fluidity relay halogen-free enhanced flame-retardant PBT, temperature of each section is respectively：One area's temperature 205
DEG C, two 215 DEG C of area's temperature, three 220 DEG C of area's temperature, four 220 DEG C of area's temperature, five 225 DEG C of area's temperature, six 220 DEG C of area's temperature, 7th area
225 DEG C of temperature, eight 215 DEG C of area's temperature, 235 DEG C of head temperature；Engine speed 300rpm.
Fire retardant in the present embodiment is hypo-aluminum orthophosphate, and filler is by the silane using epoxy group or amido functional group
The flat glass fiber that coupling agent is surface-treated, aspect ratio 4:1, a diameter of 20~30 μm of major diameter, filler processing method
For：Pending glass fibre is subjected to corrosion treatment in corrosive liquid, when corrosion is 30~40 seconds a length of, wherein corrosive liquid packet
The corrosion inhibiter that mass fraction is 0.05%~0.5% and the acidic aqueous solution that mass fraction is 99.5%~99.95% are included,
Glass fibre after corrosion is subjected to infiltration processing in coupling agent, will infiltration treated that processing is dried in glass fibre；
Self-control toughener is that homemade maleic anhydride stem grafting polyolefin passes through melting extrusion system by polyolefin, maleic anhydride, DCP, DLTP
, specific consumption proportion：60~80 parts by weight of polyolefin, 3~6 parts by weight of maleic anhydride, the parts by weight of DCP0.3~0.6,
The parts by weight of DLTP0.1~0.3；Antioxidant is Hinered phenols；Lubricant is silicone master batch.
Embodiment 2
65 parts by weight of PBT resin are weighed, 13 parts by weight of hypo-aluminum orthophosphate make 4 parts by weight of toughener, 0.6 weight of antioxidant by oneself
Part, 1.2 parts by weight of lubricant, it is uniform to be added to high-speed mixer and mixing in certain sequence, and twin-screw is added to by main feeding hopper
In extruder, while the fiber glass packing of 25 parts by weight being added by glass fiber opening, melt, be kneaded through double screw extruder,
It squeezes out, be granulated, obtain high fluidity relay halogen-free enhanced flame-retardant PBT, temperature of each section is respectively：One 205 DEG C of area's temperature, two
215 DEG C of area's temperature, three 220 DEG C of area's temperature, four 220 DEG C of area's temperature, five 225 DEG C of area's temperature, six 220 DEG C of area's temperature, seven area's temperature
225 DEG C, eight 215 DEG C of area's temperature, 235 DEG C of head temperature；Engine speed 300rpm.
PBT resin in the present embodiment is the polymer that butanediol and terephthalic acid (TPA) are obtained by polycondensation reaction, special
Property viscosity number be 0.8-1.3ml/g；Fire retardant is hypo-aluminum orthophosphate；Filler is by the silane using epoxy group or amido functional group
The flat glass fiber that coupling agent is surface-treated, aspect ratio 4:1, a diameter of 20~30 μm of major diameter, filler processing method
For：Pending glass fibre is subjected to corrosion treatment in corrosive liquid, when corrosion is 30~40 seconds a length of, wherein corrosive liquid packet
The corrosion inhibiter that mass fraction is 0.05%~0.5% and the acidic aqueous solution that mass fraction is 99.5%~99.95% are included,
Glass fibre after corrosion is subjected to infiltration processing in coupling agent；Self-control toughener is homemade maleic anhydride stem grafting polyolefin
It is made by melting extrusion by polyolefin, maleic anhydride, DCP, DLTP, specific consumption proportion, 60~80 parts by weight of polyolefin, horse
Come 3~6 parts by weight of acid anhydrides, the parts by weight of DCP0.3~0.6, the parts by weight of DLTP0.1~0.3；It will infiltration treated glass fibre
Processing is dried.
Antioxidant in the present embodiment is Hinered phenols, two kinds of phosphite antioxidant；Hinered phenols and phosphorous acid
Esters antioxidant weight proportion is 1:2；Lubricant is the composition of two kinds of silicone master batch and pentaerythritol stearate, and the two is multiple
Timing silicone master batch and pentaerythrite stearic acid weight proportion are 2:3.
Embodiment 3
60 parts by weight of PBT resin are weighed, 16 parts by weight of hypo-aluminum orthophosphate make 4 parts by weight of toughener, 0.6 weight of antioxidant by oneself
Part, 1.2 parts by weight of lubricant, it is uniform to be added to high-speed mixer and mixing in certain sequence, and twin-screw is added to by main feeding hopper
In extruder, while the fiber glass packing of 25 parts by weight being added by glass fiber opening, melt, be kneaded through double screw extruder,
It squeezes out, be granulated, obtain high fluidity relay halogen-free enhanced flame-retardant PBT, temperature of each section is respectively：One 205 DEG C of area's temperature, two
215 DEG C of area's temperature, three 220 DEG C of area's temperature, four 220 DEG C of area's temperature, five 225 DEG C of area's temperature, six 220 DEG C of area's temperature, seven area's temperature
225 DEG C, eight 215 DEG C of area's temperature, 235 DEG C of head temperature；Engine speed 300rpm.
PBT resin in the present embodiment is that butanediol and mutual-phenenyl two acid bromide two alcohol ester's analog derivative are obtained by polycondensation reaction
The polymer arrived, intrinsic viscosity 0.8-1.3ml/g；Fire retardant is hypo-aluminum orthophosphate.
Filler in the present embodiment is by being carried out at surface using the silane coupling agent of epoxy group or amido functional group
The flat glass fiber of reason；Aspect ratio is 4:1, a diameter of 20~30 μm of major diameter；Filler processing method is：By pending glass
Fiber carries out corrosion treatment in corrosive liquid, and when corrosion is 30~40 seconds a length of, wherein corrosive liquid includes that mass fraction is 0.05%
The acidic aqueous solution that~0.5% corrosion inhibiter and mass fraction is 99.5%~99.95%, by the glass fibre after corrosion
Infiltration processing is carried out in coupling agent, will infiltration treated that processing is dried in glass fibre.It is homemade to make toughener by oneself
Maleic anhydride stem grafting polyolefin is made by polyolefin, maleic anhydride, DCP, DLTP by melting extrusion, specific consumption proportion, is gathered
60~80 parts by weight of alkene, 3~6 parts by weight of maleic anhydride, the parts by weight of DCP0.3~0.6, the parts by weight of DLTP0.1~0.3；
Antioxidant in the present embodiment is phosphite antioxidant；Lubricant is pentaerythritol stearate.
Embodiment 4
55 parts by weight of PBT resin are weighed, 19 parts by weight of hypo-aluminum orthophosphate combustion inhibitor make 4 parts by weight of toughener, antioxidant by oneself
0.6 parts by weight, 1.2 parts by weight of lubricant, it is uniform to be added to high-speed mixer and mixing in certain sequence, is added to by main feeding hopper
In double screw extruder, while the fiber glass packing of 25 parts by weight being added by glass fiber opening, melted through double screw extruder,
It is kneaded, squeezes out, is granulated, obtain high fluidity relay halogen-free enhanced flame-retardant PBT, temperature of each section is respectively：One area's temperature 205
DEG C, two 215 DEG C of area's temperature, three 220 DEG C of area's temperature, four 220 DEG C of area's temperature, five 225 DEG C of area's temperature, six 220 DEG C of area's temperature, 7th area
225 DEG C of temperature, eight 215 DEG C of area's temperature, 235 DEG C of head temperature；Engine speed 300rpm.
PBT resin in the present embodiment is that butanediol and mutual-phenenyl two acid bromide two alcohol ester's analog derivative are obtained by polycondensation reaction
The polymer arrived, intrinsic viscosity 0.8-1.3ml/g；Fire retardant is hypo-aluminum orthophosphate.
Filler in the present embodiment is by being carried out at surface using the silane coupling agent of epoxy group or amido functional group
The flat glass fiber of reason；Aspect ratio is 4:1, a diameter of 20~30 μm of major diameter；Filler processing method is：By pending glass
Fiber carries out corrosion treatment in corrosive liquid, and when corrosion is 30~40 seconds a length of, wherein corrosive liquid includes that mass fraction is 0.05%
The acidic aqueous solution that~0.5% corrosion inhibiter and mass fraction is 99.5%~99.95%, by the glass fibre after corrosion
Infiltration processing is carried out in coupling agent, will infiltration treated that processing is dried in glass fibre.It is homemade to make toughener by oneself
Maleic anhydride stem grafting polyolefin is made by polyolefin, maleic anhydride, DCP, DLTP by melting extrusion, specific consumption proportion, is gathered
60~80 parts by weight of alkene, 3~6 parts by weight of maleic anhydride, the parts by weight of DCP0.3~0.6, the parts by weight of DLTP0.1~0.3；
Antioxidant in the present embodiment is phosphite antioxidant；Lubricant is pentaerythritol stearate.
Comparative example 1
Weigh 42.55 parts by weight of PBT resin, 12.25 parts by weight of brominated styrene fire retardant, the oxidation of more fire-retardant chicken three two
3.2 parts by weight of antimony, ASA3.5 parts by weight, SMA2.5 parts by weight, 1.5 parts by weight of wollastonite, 3.5 parts by weight of toughener, antioxidant
0.3 parts by weight, 0.2 parts by weight of coupling agent, 0.5 parts by weight of processing aid, it is uniform to be added to high-speed mixer and mixing in certain sequence,
It is added in double screw extruder by main feeding hopper, while the fiber glass packing of 30 parts by weight being added by glass fiber opening,
It through double screw extruder melting, mixing, squeezes out, granulation, obtains high fluidity relay halogen-free enhanced flame-retardant PBT, each section of temperature
Degree is respectively：One 205 DEG C of area's temperature, two 215 DEG C of area's temperature, three 220 DEG C of area's temperature, four 220 DEG C of area's temperature, five area's temperature 225
DEG C, six 220 DEG C of area's temperature, seven 225 DEG C of area's temperature, eight 215 DEG C of area's temperature, 235 DEG C of head temperature；Engine speed 300rpm.
Comparative example 2
Measure 41.55 parts by weight of PBT resin, 12.25 parts by weight of brominated styrene fire retardant, more fire-retardant chicken antimony oxide
3.2 parts by weight, ASA4 parts by weight, SMA2.5 parts by weight, 2 parts by weight of wollastonite, 3.5 parts by weight of toughener, 0.3 weight of antioxidant
Part, 0.2 parts by weight of coupling agent, 0.5 parts by weight of processing aid, it is uniform to be added to high-speed mixer and mixing in certain sequence, passes through master
Feeding hopper is added in double screw extruder, while the fiber glass packing of 30 parts by weight being added by glass fiber opening, through double spiral shells
The melting of bar extruder is kneaded, squeezes out, being granulated, and obtains high fluidity relay halogen-free enhanced flame-retardant PBT, temperature of each section difference
For：One 205 DEG C of area's temperature, two 215 DEG C of area's temperature, three 220 DEG C of area's temperature, four 220 DEG C of area's temperature, five 225 DEG C of area's temperature, 6th area
220 DEG C of temperature, seven 225 DEG C of area's temperature, eight 215 DEG C of area's temperature, 235 DEG C of head temperature；Engine speed 300rpm.
Embodiment is with comparative example according to following standard testing performance：
Injection molding prepares test bars after material is 4 hours dry in 120 DEG C of air dry ovens.Tensile strength, bending strength
It is tested respectively according to ISO 527-2,178 ISO and 179 standards of ISO with impact strength；Melt flow rate (MFR) is according to ISO
1133 standards are tested；Halogen test is tested according to 62321 standards of IEC；Vertical combustion performance according to UL94 standards into
Row test.The results are shown in Table 1 for 1~4 the performance test results of the embodiment of the present invention and comparative example.
1~2 obtained composite material test result of 1 Examples 1 to 4 of table and comparative example
The RoHS test results of embodiment 1-4 are ND, remaining embodiment in addition to embodiment 1 can reach fire-retardant
V-0 grades and mechanical performance is close with comparative example, it is more outstanding in terms of melt flow rate (MFR).
It is obtained from the test data of embodiment and comparative example to draw a conclusion：Material can be made in mechanicalness using self-control toughener
In the case of capable of keeping similar, a certain amount of halogen-free flame retardants and stearate lubricant, which is added, can be such that the fire-retardant V-0 that reaches wants
Melt flow rate (MFR) of summing is promoted.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, it is other it is any without departing from the spirit and principles of the present invention made by changes, modifications, substitutions, combinations, simplifications,
Equivalent substitute mode is should be, is included within the scope of the present invention.
Claims (10)
1. a kind of relay halogen-free enhanced flame-retardant PBT material, which is characterized in that including following components, by weight：
2. relay according to claim 1 halogen-free enhanced flame-retardant PBT material, it is characterised in that：The PBT resin is
The polymer or butanediol and mutual-phenenyl two acid bromide two alcohol ester's class that butanediol and terephthalic acid (TPA) are obtained by polycondensation reaction derive
The polymer that object is obtained by polycondensation reaction, intrinsic viscosity 0.8-1.3ml/g.
3. relay according to claim 1 halogen-free enhanced flame-retardant PBT material, it is characterised in that：The fire retardant is
Hypo-aluminum orthophosphate.
4. relay according to claim 1 halogen-free enhanced flame-retardant PBT material, it is characterised in that：The filler is warp
Cross the flat glass fiber being surface-treated using the silane coupling agent of epoxy group or amido functional group；Aspect ratio is 4:1,
A diameter of 20~30 μm of major diameter.
5. relay according to claim 4 halogen-free enhanced flame-retardant PBT material, which is characterized in that the filler processing
Method is：Pending glass fibre is subjected to corrosion treatment in corrosive liquid, when corrosion is 30~40 seconds a length of, wherein corrosion
The acidity that liquid includes the corrosion inhibiter that mass fraction is 0.05%~0.5% and mass fraction is 99.5%~99.95% is water-soluble
Liquid；Glass fibre after corrosion is subjected to infiltration processing in coupling agent；Will infiltration treated that place is dried in glass fibre
Reason.
6. relay according to claim 1 halogen-free enhanced flame-retardant PBT material, it is characterised in that：The toughener is
Homemade maleic anhydride stem grafting polyolefin is made by polyolefin, maleic anhydride, DCP, DLTP by melting extrusion, and specific dosage is matched
Than, 60~80 parts by weight of polyolefin, 3~6 parts by weight of maleic anhydride, the parts by weight of DCP0.3~0.6, the weight of DLTP0.1~0.3
Part.
7. relay according to claim 1 halogen-free enhanced flame-retardant PBT material, it is characterised in that：The antioxidant is
One or both of Hinered phenols, phosphite antioxidant；At two kinds, Hinered phenols and phosphite ester kind antioxidant weight
Amount proportioning is 1:2.
8. relay according to claim 1 halogen-free enhanced flame-retardant PBT material, it is characterised in that：The lubricant is
The composition of one or both of silicone master batch or pentaerythritol stearate, silicone master batch and pentaerythrite when the two compounds
Stearic acid weight proportion is 2:3.
9. special according to claim 1~8 any one of them relay preparation method of halogen-free enhanced flame-retardant PBT material
Sign is, includes the following steps：
(1), raw material weighs：By weight：
(2), the PBT resin in step (1), fire retardant are added to high-speed mixer, mixed 10~20 seconds；
(3), it is added in toughener, antioxidant and the lubricant to the mixture of step (2) weighed up in step (1), continues to mix
40 seconds；
(4), the raw material mixed being added in double screw extruder, the filler weighed in step (1) adds fine mouth to be added, and 200
DEG C~230 DEG C of melting extrusions, cooling and dicing obtains composite material.
10. the relay according to claim 9 preparation method of halogen-free enhanced flame-retardant PBT material, it is characterised in that：Institute
The rotating speed for stating step (2) high speed mixing machine is 400~600rpm；The PBT resin is that butanediol and terephthalic acid (TPA) pass through
The polymer or butanediol and mutual-phenenyl two acid bromide two alcohol ester's analog derivative that polycondensation reaction obtains are obtained poly- by polycondensation reaction
Close object, intrinsic viscosity 0.8-1.3ml/g；The fire retardant is hypo-aluminum orthophosphate；The filler is by using epoxy group
Or the flat glass fiber that the silane coupling agent of amido functional group is surface-treated；Aspect ratio is 4:1, major diameter a diameter of 20~
30μm；The filler processing method is：Pending glass fibre is subjected to corrosion treatment in corrosive liquid, a length of 30 when corrosion
~40 seconds, wherein corrosive liquid include the corrosion inhibiter that mass fraction is 0.05%~0.5% and mass fraction be 99.5%~
99.95% acidic aqueous solution；Glass fibre after corrosion is subjected to infiltration processing in coupling agent；It will infiltration treated glass
Processing is dried in glass fiber；The toughener be homemade maleic anhydride stem grafting polyolefin by polyolefin, maleic anhydride, DCP,
DLTP is made by melting extrusion, specific consumption proportion, 60~80 parts by weight of polyolefin, 3~6 parts by weight of maleic anhydride,
The parts by weight of DCP0.3~0.6, the parts by weight of DLTP0.1~0.3；The antioxidant is Hinered phenols, phosphite antioxidant
One or both of；At two kinds, Hinered phenols and phosphite ester kind antioxidant weight proportion are 1:2；The lubricant is silicon
The composition of one or both of ketone master batch or pentaerythritol stearate, silicone master batch and pentaerythrite are hard when the two compounds
Resin acid weight proportion is 2:3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810375831.5A CN108641309A (en) | 2018-04-25 | 2018-04-25 | A kind of relay halogen-free enhanced flame-retardant PBT material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810375831.5A CN108641309A (en) | 2018-04-25 | 2018-04-25 | A kind of relay halogen-free enhanced flame-retardant PBT material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108641309A true CN108641309A (en) | 2018-10-12 |
Family
ID=63747285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810375831.5A Pending CN108641309A (en) | 2018-04-25 | 2018-04-25 | A kind of relay halogen-free enhanced flame-retardant PBT material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108641309A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1238356A (en) * | 1998-06-05 | 1999-12-15 | 中国科学院化学研究所 | Impact-resistant polyester (PET) mixture and preparing process thereof |
| CN103525024A (en) * | 2012-07-02 | 2014-01-22 | 青岛欣展塑胶有限公司 | Glass fiber reinforced halogen-free flame-retardant PBT (polybutylene terephthalate) and preparation method thereof |
| CN104310803A (en) * | 2014-10-10 | 2015-01-28 | 青岛海信电器股份有限公司 | Glass fiber, surface treatment method of glass fiber, plastic and shell |
-
2018
- 2018-04-25 CN CN201810375831.5A patent/CN108641309A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1238356A (en) * | 1998-06-05 | 1999-12-15 | 中国科学院化学研究所 | Impact-resistant polyester (PET) mixture and preparing process thereof |
| CN103525024A (en) * | 2012-07-02 | 2014-01-22 | 青岛欣展塑胶有限公司 | Glass fiber reinforced halogen-free flame-retardant PBT (polybutylene terephthalate) and preparation method thereof |
| CN104310803A (en) * | 2014-10-10 | 2015-01-28 | 青岛海信电器股份有限公司 | Glass fiber, surface treatment method of glass fiber, plastic and shell |
Non-Patent Citations (1)
| Title |
|---|
| 罗河胜: "《塑料材料手册》", 30 March 2010, 广东科技出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100590146C (en) | Preparation of halogen-free flame-proof nylon 66 having high-mechanical property and composite material | |
| CN104327467B (en) | A kind of intumescent high glow-wire ignition temperature PBT composite and preparation method thereof | |
| CN100590145C (en) | Method for preparing high machinery performance halogen-free anti-flaming PBT composite and composite material | |
| CN102115595A (en) | High electrical property and low corrosion flame retardant reinforcing nylon material and preparation method thereof | |
| CN102002203B (en) | Flame-retarded ASA (Acrylic ester-Styrene-Acrylonitrile) modified resin and preparation method thereof | |
| CN110229482A (en) | A kind of high-performance reinforced fire-retardant PBT material and preparation method thereof | |
| CN101225220A (en) | Flame-retardant reinforced polybutylene terephthalate compound and production method thereof | |
| CN101845206B (en) | Heat and flame resistant thin-film polybutylece terephthalate/polyethylene terephthalate (PBT/PET) alloy | |
| CN102424716B (en) | High-glow wire ignition temperature flame-retardant reinforced polybutylece terephthalate (PBT) material and preparation method thereof | |
| CN106380770A (en) | Flame-retardant styrene resin composition and preparation method thereof | |
| CN108530848A (en) | High thermal deformation basalt fibre enhancing halogen-free flameproof PET material and preparation method thereof | |
| CN105419253A (en) | Polybutylene terephthalate composition and preparation method thereof | |
| CN104629355A (en) | Semi-aromatic nylon/liquid crystal polymer composite material with enhanced flame retardant property and preparation method thereof | |
| CN103073855B (en) | A kind of polymer blend, preparation method and application thereof | |
| CN104693701A (en) | Low-warpage halogen-free flame-retardant glass fiber reinforced PBT/AS alloy and preparation method thereof | |
| CN104693760A (en) | Blended alloy of polycarbonate and polybutylene terephthalate | |
| CN106046788B (en) | A kind of high-glowing-filament-temperature flame-retardancy performance polyphenylene sulfide and preparation method thereof | |
| CN104725797A (en) | Method for preparing flame-retardant plastic composite material | |
| CN101486824A (en) | Preparation of low temperature resistant environment friendly flame-retardant high impact resistance polystyrene composition | |
| CN102816415B (en) | High-flame-retardant high-flowability polybutylene terephthalate resin composition | |
| CN107446338A (en) | A kind of high-glowing-filament-temperature flame-retardancy enhancing PPO/PPS composites and preparation method thereof | |
| CN104497560A (en) | Polyamide flame-retardant composition and preparation method thereof | |
| CN104672809A (en) | Toughened reinforced environment-friendly flame-retardant PBT/PET (polybutylene terephthalate/polyethylene terephthalate) alloy | |
| CN102382426A (en) | Halogen-free flame retarding PBT (poly butylenes terephthalate) modified material and preparation method thereof | |
| CN103525024A (en) | Glass fiber reinforced halogen-free flame-retardant PBT (polybutylene terephthalate) and preparation method thereof |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181012 |
|
| RJ01 | Rejection of invention patent application after publication |