CN109553935A - A kind of polybutylene terephthalate (PBT) modified material for exempting from linging - Google Patents
A kind of polybutylene terephthalate (PBT) modified material for exempting from linging Download PDFInfo
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Abstract
The invention discloses a kind of polybutylene terephthalate (PBT) modified materials for exempting from linging, it is related to polybutylene terephthalate (PBT) Material Field, aim to solve the problem that the low problem of existing polybutylene terephthalate (PBT) material surface glossiness, the component including following parts by weight: PBT is sliced 98-99.5 parts；Oxidized polyethylene wax is color masterbatch 0.5-1.5 parts modified；0.1-0.2 parts of antioxygen auxiliary agent；0.1-0.2 parts of lubricant, reached and do not primed, can direct aluminium coated, shorten the automobile production period purpose.
Description
Technical field
The present invention relates to polybutylene terephthalate (PBT) Material Field, more specifically, it relates to which a kind of exempt from linging
Polybutylene terephthalate (PBT) modified material.
Background technique
Automotive lacquer is to show coast of paint on car surface to achieve the effect that protect automobile, and automotive lacquer is generally with baking
Paint, after the completion of automobile factory, vehicle frame, the welding of vehicle shell, next process is exactly to paint；Spray painting form has common paint, metal
Paint, opalescent lacquers, automotive lacquer process: Puttying, polishing, spray painting etc. do adornment frame using spray painting PBT material in auto industry
It is in the majority.
Polybutylene terephthalate (PBT), abbreviation PBT, which is that milky is translucent, arrives opaque, crystalline thermoplastic polyester.
With high-fire resistance, toughness, fatigue durability, self-lubricating, low-friction coefficient, weatherability, water absorption rate are low, and only 0.1%, in humidity
It includes electrical property, electrical insulating property that various physical property are still kept in environment, but volume resistance, dielectric loss are big.Heat-proof water, bases, acid
Class, oils but vulnerable to halogenated hydrocarbon corrode, hydrolytic resistance is poor, can crystallize rapidly under low temperature, good forming ability.
But existing PBT material film forming rear surface is coarse, needs to apply one layer of priming paint before spray painting, could aluminizer, greatly
Increase production cost greatly, the period of production, caused by defective products probability it is also big.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of poly terephthalic acid fourth for exempting from linging
Diol ester modified material, with superelevation surface gloss, can direct aluminium coated, so that the automotive lacquer production cycle is also contracted significantly
It is short.
To achieve the above object, the present invention provides the following technical scheme that
A kind of polybutylene terephthalate (PBT) modified material for exempting from linging, the component including following parts by weight:
By taking above-mentioned technical proposal, oxidized polyethylene wax is excellent novel polar waxes, due to oxidized polyethylene wax
Strand has a certain amount of carbonyl and hydroxyl, splendid to the dispersibility of pigment, has very through the modified color masterbatch of oxidic polyethylene
Good colouring ability, and the existing extremely excellent external lubricity of oxidized polyethylene wax, and there is stronger internal lubrication to act on, in oxygen
When the modified color masterbatch of change polyethylene wax paints to PBT slice, increases the lubricity of PBT, make polybutylene terephthalate (PBT)
Modified material have superelevation surface gloss, can direct aluminium coated, shorten the automotive lacquer production cycle.
The further setting of the present invention is that the modified color masterbatch of the oxidized polyethylene wax is using PP as the black masterbatch of carrier.
By taking above-mentioned technical proposal, PP impact resistance with higher, engineering properties is tough, resists a variety of organic solvents
And acid and alkali corrosion, preparing the modified color masterbatch of oxidized polyethylene wax as carrier using PP can be improved the resistance to of the modified color masterbatch of oxidized polyethylene wax
Grind performance.
The further setting of the present invention is that the modified color masterbatch of the oxidized polyethylene wax includes following parts by weight:
By taking above-mentioned technical proposal, oxidized polyethylene wax emulsion has good stability, and layering will not occur, break
The phenomenon that cream and agglomeration, and oxidized polyethylene wax emulsion also has good scratch resistance, wear-resisting and surface lubrication performance, because
Oxidized polyethylene wax emulsion is added when making color masterbatch and can be very good to improve the wear-resisting property and greasy property of color masterbatch for this, in turn
The lubricity and surface gloss for improving polybutylene terephthalate (PBT), make polybutylene terephthalate (PBT) in not priming
In the case where can aluminium coated.
The further setting of the present invention is, the preparation of the modified color masterbatch of the oxidized polyethylene wax the following steps are included:
(1) it by 30-45 parts of ultrasound 1-2h of oxidized polyethylene wax emulsion, adds 5-8 parts of 23-30 parts of PP, PBT slice and continues to surpass
Sound 1-2h obtains PP/ oxidized polyethylene wax emulsion dispersion liquid；
(2) 24-31 parts of carbon black are added in 40-49 parts of dehydrated alcohol, and ultrasound 1-2h, obtain carbon black/dehydrated alcohol dispersion
Liquid；
(3) the PP/ oxidized polyethylene wax emulsion dispersion liquid being added to the carbon black in step 2/dehydrated alcohol dispersion liquid in step 1
Middle ultrasound 2-3h obtains modified color masterbatch dispersion liquid；
(4) the modification color masterbatch dispersion liquid in step 3 is put into double screw extruder, double screw extruder temperature setting are as follows: one
Area's temperature is 110-150 DEG C, and two area's temperature are 110-150 DEG C, and three area's temperature are 110-150 DEG C, and four area's temperature are 110-150
DEG C, five area's temperature are 100-140 DEG C, and six area's temperature are 100-140 DEG C, and seven area's temperature are 100-140 DEG C, and eight area's temperature are 100-
140 DEG C, nine area's temperature are 100-140 DEG C, obtain modified color masterbatch solid；
(5) the modification color masterbatch solid in step 4 is cooling by 20-30 DEG C of cooling trough, it is 500- subsequently into revolving speed
In pelleter in 1000r/min, modified color masterbatch particle is obtained.
By taking above-mentioned technical proposal, by the obtained PP/ oxidized polyethylene wax emulsion dispersion liquid of ultrasound and carbon black/anhydrous
Alcohol dispersion liquid, then PP/ oxidized polyethylene wax emulsion dispersion liquid and carbon black/dehydrated alcohol dispersion liquid are mixed into ultrasound, modification is made
Color masterbatch dispersion liquid can increase substantially carbon black, oxidized polyethylene wax emulsion in PP and carry intracorporal dispersed homogeneous degree, not only make
The color of the modified color masterbatch of oxidized polyethylene wax is more uniform, and phenomena such as localized clusters can occur to avoid color masterbatch dispersion liquid,
The lubricity of the modified color masterbatch of oxidized polyethylene wax is influenced, while a small amount of PBT slice is added, cooperation PP is used as color masterbatch to carry simultaneously
Body has good matching with PBT slice, and granules of pigments can be well dispersed in PBT slice after heating melting.
The further setting of the present invention is: the antioxygen auxiliary agent is one of KI, CuI and KBr, two or three.
By taking above-mentioned technical proposal, antioxygen auxiliary agent can prevent polybutylene terephthalate (PBT) in process
Thermal oxidative degradation occurs, and then aging, KI, CuI and KBr itself have very high oxidation susceptibility, can be effectively prevented poly- to benzene
Dioctyl phthalate butanediol ester occur thermal oxidative degradation, while the color of KI, CuI and KBr be it is colourless or white, will not influence color masterbatch
Color, and KI, CuI and KBr are heated is not easily decomposed, can when high temperature prepares polybutylene terephthalate (PBT) modified material
With active always.
The further setting of the present invention is that the lubricant is graphite modified stearic acid, the graphite modified stearic acid
It comprises the following components in parts by weight:
30-35 parts of stearic acid；
15-28 parts of graphite；
10-16 parts of PP.
By taking above-mentioned technical proposal, stearic acid can improve polybutylene terephthalate as a kind of external lubricant
The friction condition of the hot metal surface of ester and equipment increases the bonding force of polybutylene terephthalate (PBT) and metal surface,
Graphite and PP are added in stearic acid can not only increase stearic lubricity as carrier, but also graphite is as a kind of lubrication
Rouge can further strengthen the lubricity of polybutylene terephthalate (PBT), more smooth film surface be formed, convenient for plating
Aluminium layer.
The further setting of the present invention is, the graphite modified stearic preparation the following steps are included:
(1) it is added to ultrasound 3-4h in 14-19 parts of dehydrated alcohol by 15-28 parts of graphite, obtains graphite dispersing solution；
(2) by 30-35 parts of stearic acid, 10-16 parts of the PP graphite powder dispersion liquids being added in step 1, continue ultrasound 1-2h,
Obtain the graphite modified stearic acid dispersion liquid using PP as carrier；
(3) by the graphite modified stearic acid portioning liquid in step 2 65-78 DEG C at a temperature of heat 30-40min, it is then natural
It is cooled to room temperature.
By taking above-mentioned technical proposal, graphite ultrasound in dehydrated alcohol obtains graphite dispersing solution, increases the ratio of graphite
Surface area keeps stearic acid more uniform during mixing with graphite, while graphite dispersing solution is being added in PP and stearic acid
During middle ultrasound, PP, which serves not only as carrier, makes stearic acid further be uniformly dispersed, and PP can as a kind of polymer resin
To increase the amalgamation of stearic acid and polybutylene terephthalate (PBT).
The further setting of the present invention is that the PBT intrinsic viscosity is 0.8-1.0, moisture content 0.25-0.5%.
By taking above-mentioned technical proposal, viscosity is an attribute of fluid, when referring to that liquid is mobile by external force, point
The measurement of the internal friction generated between son, the big performance internal friction of viscosity is big, and molecular weight is bigger, and hydrocarbon combination is more, this power
Measure also bigger, combustibility and expenditure etc. of the viscosity to various lubricating oil, quality discrimination and determining purposes and various oil used in fuel
It is marginal, and the PBT that viscosity is 0.8-1.0, moisture content is 0.25-0.5% is sliced the surface gloss after film forming most
It is good, be conducive to the plated film of aluminium layer.
Another object of the present invention is to disclose a kind of polybutylene terephthalate (PBT) modified material for exempting from linging
Preparation method, comprising the following steps:
(1) PBT that moisture content is 0.25-0.50%, viscosity is 0.8-1.0 is sliced 98-99.5 parts, antioxygen auxiliary agent 0.1-0.2
The modified color masterbatch 0.5-1.5 parts of blending 60-90s of part, 0.1-0.2 parts of lubricant and oxidized polyethylene wax；
(2) blend in step 1 is put into double screw extruder, double screw extruder temperature setting are as follows: area's temperature is
210-250 DEG C, two area's temperature are 210-250 DEG C, and three area's temperature are 210-250 DEG C, and four area's temperature are 210-250 DEG C, five Qu Wen
Degree be 200-240 DEG C, six area's temperature be 200-240 DEG C, seven area's temperature be 200-240 DEG C, eight area's temperature be 200-240 DEG C, nine
Area's temperature is 200-240 DEG C；
(3) material that extruder manufactures is first passed through into 20-30 DEG C of cooling trough cooling, is 800-1200r/ subsequently into revolving speed
Pelleter in min, after being screened by vibrating screen, into homogenizing bin.
By taking above-mentioned technical proposal, by the modified color masterbatch of PBT slice, antioxygen auxiliary agent, lubricant and oxidized polyethylene wax
It is sufficiently blended, by the processing in the different temperatures area of double screw extruder, antioxygen auxiliary agent, lubricant and oxidic polyethylene
The modified color masterbatch of wax is uniformly inserted into that PBT is intermolecular, and the PBT modified material smoothness produced is higher, can have after coating
The surface gloss of superelevation, direct aluminium coated.
In conclusion the invention has the following advantages:
1. the present invention exempts from poly- pair of linging by the modified color masterbatch preparation of PBT slice, antioxygen auxiliary agent, lubricant and oxidized polyethylene wax
Benzene dicarboxylic acid butanediol ester modified material improves polybutylene terephthalate (PBT) modified material lubricity, greatly improves
The surface flatness of polybutylene terephthalate (PBT) modified material, can direct aluminizer；
2. the present invention is mentioned by oxidized polyethylene wax emulsion, carbon black, PP and the modified color masterbatch of PBT slice preparation oxidized polyethylene wax
The specific surface area of carbon black in high color masterbatch improves the colorability of color masterbatch, while PP and PBT is sliced while not only mentioning as carrier
The modified color masterbatch of height is sliced matching to PBT, and PP and PBT slice has lubricity, further increases poly terephthalic acid fourth
Diol ester modified material lubricity；
3. it is of the invention by being modified using graphite to stearic acid, stearic acid being made further to be uniformly dispersed using PP as carrier, and
And PP can increase the amalgamation of stearic acid and polybutylene terephthalate (PBT) as a kind of polymer resin.
Specific embodiment
Invention is further described in detail with reference to embodiments.
Embodiment one:
The preparation method of the modified color masterbatch of oxidized polyethylene wax includes the following steps:
(1) by 32 parts of ultrasound 1h of oxidized polyethylene wax emulsion, 24 parts of PP, PBT is added and is sliced 5 parts of continuation ultrasound 1h, is obtained
PP/ oxidized polyethylene wax emulsion dispersion liquid；
(2) 25 parts of carbon black are added in 42 parts of dehydrated alcohol, and ultrasound 1h, obtain carbon black/dehydrated alcohol dispersion liquid；
(3) the PP/ oxidized polyethylene wax emulsion dispersion liquid being added to the carbon black in step 2/dehydrated alcohol dispersion liquid in step 1
Middle ultrasound 2h obtains modified color masterbatch dispersion liquid；
(4) the modification color masterbatch dispersion liquid in step 3 is put into double screw extruder, double screw extruder temperature setting are as follows: one
Area's temperature is 150 DEG C, and two area's temperature are 150 DEG C, and three area's temperature are 150 DEG C, and four area's temperature are 150 DEG C, and five area's temperature are 140
DEG C, six area's temperature are 140 DEG C, and seven area's temperature are 140 DEG C, and eight area's temperature are 140 DEG C, and nine area's temperature are 140 DEG C, are modified
Color masterbatch solid；
(5) the modification color masterbatch solid in step 4 is cooling by 25 DEG C of cooling trough, it is 600r/min subsequently into revolving speed
In pelleter in, obtain modified color masterbatch particle.
Graphite modified stearic preparation method includes the following steps:
(1) it is added to ultrasound 3h in 15 parts of dehydrated alcohol by 16 parts of graphite, obtains graphite dispersing solution；
(2) by 32 parts of stearic acid, 11 parts of the PP graphite powder dispersion liquids being added in step 1, continue ultrasound 1h, obtain with PP
For the graphite modified stearic acid dispersion liquid of carrier；
(3) by the graphite modified stearic acid portioning liquid in step 2 67 DEG C at a temperature of heat 30min, then naturally cool to
Room temperature.
A kind of preparation method of polybutylene terephthalate (PBT) modified material that exempting from linging, comprising the following steps:
(1) PBT that moisture content is 0.25%, viscosity is 1.0 is sliced 99 parts, 0.2 part of CuI, 0.2 part of graphite modified stearic acid
And modified 1 part of blending 90s of color masterbatch of oxidized polyethylene wax；
(2) blend in step 1 is put into double screw extruder, double screw extruder temperature setting are as follows: area's temperature is
250 DEG C, two area's temperature are 250 DEG C, and three area's temperature are 250 DEG C, and four area's temperature are 250 DEG C, and five area's temperature are 220 DEG C, six Qu Wen
Degree is 210 DEG C, and seven area's temperature are 200 DEG C, and eight area's temperature are 200 DEG C, and nine area's temperature are 200 DEG C；
(3) material that extruder manufactures is first passed through into 25 DEG C of cooling troughs coolings, is cutting in 800r/min subsequently into revolving speed
Grain machine, after being screened by vibrating screen, into homogenizing bin.
Embodiment two:
The preparation method of the modified color masterbatch of oxidized polyethylene wax includes the following steps:
(1) by 33 parts of ultrasound 1h of oxidized polyethylene wax emulsion, 25 parts of PP, PBT is added and is sliced 5 parts of continuation ultrasound 1h, is obtained
PP/ oxidized polyethylene wax emulsion dispersion liquid；
(2) 26 parts of carbon black are added in 43 parts of dehydrated alcohol, and ultrasound 1h, obtain carbon black/dehydrated alcohol dispersion liquid；
(3) the PP/ oxidized polyethylene wax emulsion dispersion liquid being added to the carbon black in step 2/dehydrated alcohol dispersion liquid in step 1
Middle ultrasound 2h obtains modified color masterbatch dispersion liquid；
(4) the modification color masterbatch dispersion liquid in step 3 is put into double screw extruder, double screw extruder temperature setting are as follows: one
Area's temperature is 120 DEG C, and two area's temperature are 120 DEG C, and three area's temperature are 120 DEG C, and four area's temperature are 120 DEG C, and five area's temperature are 100
DEG C, six area's temperature are 100 DEG C, and seven area's temperature are 100 DEG C, and eight area's temperature are 100 DEG C, and nine area's temperature are 100 DEG C, are modified
Color masterbatch solid；
(5) the modification color masterbatch solid in step 4 is cooling by 22 DEG C of cooling trough, it is in 600r/min subsequently into revolving speed
Pelleter in, obtain modified color masterbatch particle.
Graphite modified stearic preparation method includes the following steps:
(1) it is added to ultrasound 3.5h in 16 parts of dehydrated alcohol by 18 parts of graphite, obtains graphite dispersing solution；
(2) by 33 parts of stearic acid, 12 parts of the PP graphite powder dispersion liquids being added in step 1, continue ultrasound 1.5h, obtain with
PP is the graphite modified stearic acid dispersion liquid of carrier；
(3) by the graphite modified stearic acid portioning liquid in step 2 67 DEG C at a temperature of heat 33min, then naturally cool to
Room temperature.
A kind of preparation method of polybutylene terephthalate (PBT) modified material that exempting from linging, comprising the following steps:
(1) moisture content is 0.25%, viscosity is 0.98 PBT is sliced 99.4 parts, KI and 0.2 part of CuI, graphite modified tristearin
0.2 part of acid and the modified 0.7 part of blending 70s of color masterbatch of oxidized polyethylene wax；
(2) blend in step 1 is put into double screw extruder, double screw extruder temperature setting are as follows: area's temperature is
250 DEG C, two area's temperature are 250 DEG C, and three area's temperature are 250 DEG C, and four area's temperature are 250 DEG C, and five area's temperature are 220 DEG C, six Qu Wen
Degree is 210 DEG C, and seven area's temperature are 200 DEG C, and eight area's temperature are 200 DEG C, and nine area's temperature are 200 DEG C；
(3) material that extruder manufactures is first passed through into 25 DEG C of cooling troughs coolings, is cutting in 800r/min subsequently into revolving speed
Grain machine, after being screened by vibrating screen, into homogenizing bin.
Embodiment three:
The preparation method of the modified color masterbatch of oxidized polyethylene wax includes the following steps:
(1) by 36 parts of ultrasound 1h of oxidized polyethylene wax emulsion, 27 parts of PP, PBT is added and is sliced 6 parts of continuation ultrasound 2h, is obtained
PP/ oxidized polyethylene wax emulsion dispersion liquid；
(2) 27 parts of carbon black are added in 45 parts of dehydrated alcohol, and ultrasound 1.5h, obtain carbon black/dehydrated alcohol dispersion liquid；
(3) the PP/ oxidized polyethylene wax emulsion dispersion liquid being added to the carbon black in step 2/dehydrated alcohol dispersion liquid in step 1
Middle ultrasound 2.5h obtains modified color masterbatch dispersion liquid；
(4) the modification color masterbatch dispersion liquid in step 3 is put into double screw extruder, double screw extruder temperature setting are as follows: one
Area's temperature is 110-150 DEG C, and two area's temperature are 110-150 DEG C, and three area's temperature are 110-150 DEG C, and four area's temperature are 110-150
DEG C, five area's temperature are 100-140 DEG C, and six area's temperature are 100-140 DEG C, and seven area's temperature are 100-140 DEG C, and eight area's temperature are 100-
140 DEG C, nine area's temperature are 100-140 DEG C, obtain modified color masterbatch solid；
(5) the modification color masterbatch solid in step 4 is cooling by 20-30 DEG C of cooling trough, it is 500- subsequently into revolving speed
In pelleter in 1000r/min, modified color masterbatch particle is obtained.
Graphite modified stearic preparation method includes the following steps:
(1) it is added to ultrasound 3h in 17 parts of dehydrated alcohol by 20 parts of graphite, obtains graphite dispersing solution；
(2) by 34 parts of stearic acid, 13 parts of the PP graphite powder dispersion liquids being added in step 1, continue ultrasound 1.5h, obtain with
PP is the graphite modified stearic acid dispersion liquid of carrier；
(3) by the graphite modified stearic acid portioning liquid in step 2 68 DEG C at a temperature of heat 35min, then naturally cool to
Room temperature.
A kind of preparation method of polybutylene terephthalate (PBT) modified material that exempting from linging, comprising the following steps:
(1) moisture content is 0.3%, viscosity is 0.95 PBT is sliced 98.2 parts, CuI and KBr0.2 parts, graphite modified stearic acid
0.2 part and the modified 0.8 part of blending 80s of color masterbatch of oxidized polyethylene wax；
(2) blend in step 1 is put into double screw extruder, double screw extruder temperature setting are as follows: area's temperature is
250 DEG C, two area's temperature are 250 DEG C, and three area's temperature are 250 DEG C, and four area's temperature are 250 DEG C, and five area's temperature are 220 DEG C, six Qu Wen
Degree is 210 DEG C, and seven area's temperature are 200 DEG C, and eight area's temperature are 200 DEG C, and nine area's temperature are 200 DEG C；
(3) material that extruder manufactures is first passed through into 25 DEG C of cooling troughs coolings, is cutting in 800r/min subsequently into revolving speed
Grain machine, after being screened by vibrating screen, into homogenizing bin.
Example IV:
The preparation method of the modified color masterbatch of oxidized polyethylene wax includes the following steps:
(1) by 38 parts of ultrasound 1.5h of oxidized polyethylene wax emulsion, 28 parts of PP, PBT is added and is sliced 7 parts of continuation ultrasound 2h, is obtained
PP/ oxidized polyethylene wax emulsion dispersion liquid；
(2) 29 parts of carbon black are added in 47 parts of dehydrated alcohol, and ultrasound 1.5h, obtain carbon black/dehydrated alcohol dispersion liquid；
(3) the PP/ oxidized polyethylene wax emulsion dispersion liquid being added to the carbon black in step 2/dehydrated alcohol dispersion liquid in step 1
Middle ultrasound 2.5h obtains modified color masterbatch dispersion liquid；
(4) the modification color masterbatch dispersion liquid in step 3 is put into double screw extruder, double screw extruder temperature setting are as follows: one
Area's temperature is 110-150 DEG C, and two area's temperature are 110-150 DEG C, and three area's temperature are 110-150 DEG C, and four area's temperature are 110-150
DEG C, five area's temperature are 100-140 DEG C, and six area's temperature are 100-140 DEG C, and seven area's temperature are 100-140 DEG C, and eight area's temperature are 100-
140 DEG C, nine area's temperature are 100-140 DEG C, obtain modified color masterbatch solid；
(5) the modification color masterbatch solid in step 4 is cooling by 20-30 DEG C of cooling trough, it is 500- subsequently into revolving speed
In pelleter in 1000r/min, modified color masterbatch particle is obtained.
Graphite modified stearic preparation method includes the following steps:
(1) it is added to ultrasound 3.5h in 18 parts of dehydrated alcohol by 21 parts of graphite, obtains graphite dispersing solution；
(2) by 34 parts of stearic acid, 14 parts of the PP graphite powder dispersion liquids being added in step 1, continue ultrasound 2h, obtain with PP
For the graphite modified stearic acid dispersion liquid of carrier；
(3) by the graphite modified stearic acid portioning liquid in step 2 70 DEG C at a temperature of heat 37min, then naturally cool to
Room temperature.
A kind of preparation method of polybutylene terephthalate (PBT) modified material that exempting from linging, comprising the following steps:
(1) moisture content is 0.35%, viscosity is 0.9 PBT is sliced 98.7 parts, is that 0.2 part of KI, CuI and KBr, graphite change
Property 0.1 part of the stearic acid and modified 1.3 parts of blending 60s of color masterbatch of oxidized polyethylene wax；
(2) blend in step 1 is put into double screw extruder, double screw extruder temperature setting are as follows: area's temperature is
250 DEG C, two area's temperature are 250 DEG C, and three area's temperature are 250 DEG C, and four area's temperature are 250 DEG C, and five area's temperature are 220 DEG C, six Qu Wen
Degree is 210 DEG C, and seven area's temperature are 200 DEG C, and eight area's temperature are 200 DEG C, and nine area's temperature are 200 DEG C；
(3) material that extruder manufactures is first passed through into 25 DEG C of cooling troughs coolings, is cutting in 800r/min subsequently into revolving speed
Grain machine, after being screened by vibrating screen, into homogenizing bin.
Embodiment five:
The preparation method of the modified color masterbatch of oxidized polyethylene wax includes the following steps:
(1) by 42 parts of ultrasound 2h of oxidized polyethylene wax emulsion, 30 parts of PP, PBT is added and is sliced 8 parts of continuation ultrasound 2h, is obtained
PP/ oxidized polyethylene wax emulsion dispersion liquid；
(2) 31 parts of carbon black are added in 49 parts of dehydrated alcohol, and ultrasound 2h, obtain carbon black/dehydrated alcohol dispersion liquid；
(3) the PP/ oxidized polyethylene wax emulsion dispersion liquid being added to the carbon black in step 2/dehydrated alcohol dispersion liquid in step 1
Middle ultrasound 3h obtains modified color masterbatch dispersion liquid；
(4) the modification color masterbatch dispersion liquid in step 3 is put into double screw extruder, double screw extruder temperature setting are as follows: one
Area's temperature is 110-150 DEG C, and two area's temperature are 110-150 DEG C, and three area's temperature are 110-150 DEG C, and four area's temperature are 110-150
DEG C, five area's temperature are 100-140 DEG C, and six area's temperature are 100-140 DEG C, and seven area's temperature are 100-140 DEG C, and eight area's temperature are 100-
140 DEG C, nine area's temperature are 100-140 DEG C, obtain modified color masterbatch solid；
(5) the modification color masterbatch solid in step 4 is cooling by 20-30 DEG C of cooling trough, it is 500- subsequently into revolving speed
In pelleter in 1000r/min, modified color masterbatch particle is obtained.
Graphite modified stearic preparation method includes the following steps:
(1) it is added to ultrasound 4h in 19 parts of dehydrated alcohol by 28 parts of graphite, obtains graphite dispersing solution；
(2) by 35 parts of stearic acid, 16 parts of the PP graphite powder dispersion liquids being added in step 1, continue ultrasound 2h, obtain with PP
For the graphite modified stearic acid dispersion liquid of carrier；
(3) by the graphite modified stearic acid portioning liquid in step 2 78 DEG C at a temperature of heat 40min, then naturally cool to
Room temperature.
A kind of preparation method of polybutylene terephthalate (PBT) modified material that exempting from linging, comprising the following steps:
(1) moisture content is 0.45%, viscosity is 1.0 PBT is sliced 98 parts, KI and 0.1 part of KBr, graphite modified stearic acid
0.1 part and the modified 1.5 parts of blending 90s of color masterbatch of oxidized polyethylene wax；
(2) blend in step 1 is put into double screw extruder, double screw extruder temperature setting are as follows: area's temperature is
250 DEG C, two area's temperature are 250 DEG C, and three area's temperature are 250 DEG C, and four area's temperature are 250 DEG C, and five area's temperature are 220 DEG C, six Qu Wen
Degree is 210 DEG C, and seven area's temperature are 200 DEG C, and eight area's temperature are 200 DEG C, and nine area's temperature are 200 DEG C；
(3) material that extruder manufactures is first passed through into 25 DEG C of cooling troughs coolings, is cutting in 800r/min subsequently into revolving speed
Grain machine, after being screened by vibrating screen, into homogenizing bin.
Comparative example:
The Automotive Paint Film Properties that moisture content is 0.25%, viscosity is 1.0 PBT coating, priming paint and aluminium film are formed as a comparison case, with
The polybutylene terephthalate (PBT) modified material produced by the present invention for exempting from linging is related to the Automotive Paint Film Properties progress that aluminium film is formed
The comparison of physical property.
The embodiment of the present invention one, embodiment two, embodiment three, example IV and embodiment five are proved below by detection
Effect, wherein examination criteria is carried out according to national standard, and testing result is as follows:
By upper table it is found that the stretching with higher of the polybutylene terephthalate (PBT) modified material for exempting from linging of embodiment is strong
Degree, bending strength and bending modulus exempt from the polybutylene terephthalate (PBT) modified material of linging in the case where not plating priming paint
The paint film physical property formed with aluminium film is superior.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (9)
1. a kind of polybutylene terephthalate (PBT) modified material for exempting from linging, it is characterised in that: the group including following parts by weight
Point:
PBT is sliced 98-99.5 parts；
Oxidized polyethylene wax is color masterbatch 0.5-1.5 parts modified；
0.1-0.2 parts of antioxygen auxiliary agent；
0.1-0.2 parts of lubricant.
2. a kind of polybutylene terephthalate (PBT) modified material for exempting from linging according to claim 1, it is characterised in that:
The modified color masterbatch of the oxidized polyethylene wax is using PP as the black masterbatch of carrier.
3. a kind of polybutylene terephthalate (PBT) modified material for exempting from linging according to claim 2, it is characterised in that:
The modified color masterbatch of the oxidized polyethylene wax includes following parts by weight:
23-30 parts of PP；
30-45 parts of oxidized polyethylene wax emulsion；
24-31 parts of carbon black；
PBT is sliced 5-8 parts.
4. a kind of polybutylene terephthalate (PBT) modified material for exempting from linging according to claim 3, it is characterised in that:
The preparation of the modified color masterbatch of the oxidized polyethylene wax the following steps are included:
(1) it by 50-45 parts of ultrasound 1-2h of oxidized polyethylene wax emulsion, adds 5-8 parts of 23-30 parts of PP, PBT slice and continues to surpass
Sound 1-2h obtains PP/ oxidized polyethylene wax emulsion dispersion liquid；
(2) 24-31 parts of carbon black are added in 40-49 parts of dehydrated alcohol, and ultrasound 1-2h, obtain carbon black/dehydrated alcohol dispersion
Liquid；
(3) the PP/ oxidized polyethylene wax emulsion dispersion liquid being added to the carbon black in step 2/dehydrated alcohol dispersion liquid in step 1
Middle ultrasound 2-3h obtains modified color masterbatch dispersion liquid；
(4) the modification color masterbatch dispersion liquid in step 3 is put into double screw extruder, double screw extruder temperature setting are as follows: one
Area's temperature is 110-150 DEG C, and two area's temperature are 110-150 DEG C, and three area's temperature are 110-150 DEG C, and four area's temperature are 110-150
DEG C, five area's temperature are 100-140 DEG C, and six area's temperature are 100-140 DEG C, and seven area's temperature are 100-140 DEG C, and eight area's temperature are 100-
140 DEG C, nine area's temperature are 100-140 DEG C, obtain modified color masterbatch solid；
(5) the modification color masterbatch solid in step 4 is cooling by 20-30 DEG C of cooling trough, it is 500- subsequently into revolving speed
In pelleter in 1000r/min, modified color masterbatch particle is obtained.
5. a kind of polybutylene terephthalate (PBT) modified material for exempting from linging according to claim 1, it is characterised in that:
The antioxygen auxiliary agent is one of KI, CuI and KBr, two or three.
6. a kind of polybutylene terephthalate (PBT) modified material for exempting from linging according to claim 1, it is characterised in that:
The lubricant is graphite modified stearic acid, and the graphite modified stearic acid comprises the following components in parts by weight:
30-35 parts of stearic acid；
15-28 parts of graphite；
10-16 parts of PP.
7. a kind of polybutylene terephthalate (PBT) modified material for exempting from linging according to claim 6, it is characterised in that:
It is described it is graphite modified it is stearic preparation the following steps are included:
(1) it is added to ultrasound 3-4h in 14-19 parts of dehydrated alcohol by 15-28 parts of graphite, obtains graphite dispersing solution；
(2) by 30-35 parts of stearic acid, 10-16 parts of the PP graphite powder dispersion liquids being added in step 1, continue ultrasound 1-2h,
Obtain the graphite modified stearic acid dispersion liquid using PP as carrier；
(3) by the graphite modified stearic acid portioning liquid in step 2 65-78 DEG C at a temperature of heat 30-40min, it is then natural
It is cooled to room temperature.
8. a kind of polybutylene terephthalate (PBT) modified material for exempting from linging according to claim 3, it is characterised in that:
The PBT intrinsic viscosity is 0.8-1.0, moisture content 0.25-0.5%.
9. a kind of preparation method for the polybutylene terephthalate (PBT) modified material for exempting from linging, it is characterised in that including following step
It is rapid:
(1) PBT that moisture content is 0.25-0.50%, viscosity is 0.8-1.0 is sliced 98-99.5 parts, antioxygen auxiliary agent 0.1-0.2
The modified color masterbatch 0.5-1.5 parts of blending 60-90s of part, 0.1-0.2 parts of lubricant and oxidized polyethylene wax；
(2) blend in step 1 is put into double screw extruder, double screw extruder temperature setting are as follows: area's temperature is
210-250 DEG C, two area's temperature are 210-250 DEG C, and three area's temperature are 210-250 DEG C, and four area's temperature are 210-250 DEG C, five Qu Wen
Degree be 200-240 DEG C, six area's temperature be 200-240 DEG C, seven area's temperature be 200-240 DEG C, eight area's temperature be 200-240 DEG C, nine
Area's temperature is 200-240 DEG C；
(3) material that extruder manufactures is first passed through into 20-30 DEG C of cooling trough cooling, is 800-1200r/ subsequently into revolving speed
Pelleter in min, after being screened by vibrating screen, into homogenizing bin.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112552571A (en) * | 2020-12-08 | 2021-03-26 | 南京工业大学 | Universal color master batch with high carbon black content and high melt flow rate and preparation method thereof |
| EP3851494A4 (en) * | 2019-10-24 | 2021-10-06 | Lg Chem, Ltd. | Polyester-based resin composition, and molded product thereof |
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| CN102329450A (en) * | 2011-06-20 | 2012-01-25 | 洪伟 | Polypropylene color masterbatch and preparation method thereof |
| CN102585488A (en) * | 2011-01-13 | 2012-07-18 | 上海杰事杰新材料(集团)股份有限公司 | High temperature-resistant nylon/thermotropic liquid crystal polymer blend and preparation method for blend |
| CN106867211A (en) * | 2017-03-20 | 2017-06-20 | 四川中物材料股份有限公司 | A kind of low haze is high heat-resisting to exempt from PBT composite of primary coat and preparation method thereof |
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| US20120010340A1 (en) * | 2010-07-08 | 2012-01-12 | Hyundai Motor Company | Polypropylene resin composition with black high gloss finish |
| CN102585488A (en) * | 2011-01-13 | 2012-07-18 | 上海杰事杰新材料(集团)股份有限公司 | High temperature-resistant nylon/thermotropic liquid crystal polymer blend and preparation method for blend |
| CN102329450A (en) * | 2011-06-20 | 2012-01-25 | 洪伟 | Polypropylene color masterbatch and preparation method thereof |
| CN106867211A (en) * | 2017-03-20 | 2017-06-20 | 四川中物材料股份有限公司 | A kind of low haze is high heat-resisting to exempt from PBT composite of primary coat and preparation method thereof |
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| EP3851494A4 (en) * | 2019-10-24 | 2021-10-06 | Lg Chem, Ltd. | Polyester-based resin composition, and molded product thereof |
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