CN107474589A - It is a kind of to improve preparation method of the plastics using the high-quality filler of characteristic - Google Patents

It is a kind of to improve preparation method of the plastics using the high-quality filler of characteristic Download PDF

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CN107474589A
CN107474589A CN201710753473.2A CN201710753473A CN107474589A CN 107474589 A CN107474589 A CN 107474589A CN 201710753473 A CN201710753473 A CN 201710753473A CN 107474589 A CN107474589 A CN 107474589A
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titanium dioxide
parts
plastics
preparation
filler
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CN107474589B (en
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王雪
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SHANGHAI GER NEW MATERIAL SCIENCE & TECHNOLOGY Co.,Ltd.
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Funan Kunpeng Plastic Technology Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/36—Compounds of titanium
    • C09C1/3607—Titanium dioxide
    • C09C1/3684—Treatment with organo-silicon compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/36—Compounds of titanium
    • C09C1/3607—Titanium dioxide
    • C09C1/3615—Physical treatment, e.g. grinding, treatment with ultrasonic vibrations
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/36—Compounds of titanium
    • C09C1/3607—Titanium dioxide
    • C09C1/3653—Treatment with inorganic compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/36—Compounds of titanium
    • C09C1/3607—Titanium dioxide
    • C09C1/3653—Treatment with inorganic compounds
    • C09C1/3661—Coating
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/36—Compounds of titanium
    • C09C1/3607—Titanium dioxide
    • C09C1/3669—Treatment with low-molecular organic compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/36—Compounds of titanium
    • C09C1/3607—Titanium dioxide
    • C09C1/3676—Treatment with macro-molecular organic compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/006—Combinations of treatments provided for in groups C09C3/04 - C09C3/12
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/06—Treatment with inorganic compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/06—Treatment with inorganic compounds
    • C09C3/063—Coating
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/08—Treatment with low-molecular-weight non-polymer organic compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/10—Treatment with macromolecular organic compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/12—Treatment with organosilicon compounds

Abstract

Improve preparation method of the plastics using the high-quality filler of characteristic the invention discloses a kind of, comprise the following steps：（1）Raw material weighs,（2）Modified preparation,（3）Drying process.Filler overall structure produced by the present invention is stable, and the compatible bond strength between plastic substrate composition is high, can effectively lift the whiteness of plastics, glossiness, hardness, ageing resistance etc., have good use value.

Description

It is a kind of to improve preparation method of the plastics using the high-quality filler of characteristic
Technical field
The invention belongs to technical field of plastic, and in particular to a kind of plastics that improve use the high-quality filler of characteristic Preparation method.
Background technology
Plastics are one of indispensable materials in people's life, and the life to people brings great convenience.Moulding In the preparation process of material, filler is one of common composition, and it associates the overall intensity of plastics, rotproofness, whiteness, glossiness Deng physicochemical property.Titanium dioxide is one of conventional filler of present plastics, but often there is whiteness, gloss with its manufactured plastics Degree, the problems such as weatherability is poor, performance still needs to further improve.
The content of the invention
The purpose of the present invention is to be directed to the problem of existing, there is provided a kind of plastics that improve use the high-quality filler of characteristic Preparation method.
The present invention is achieved by the following technical solutions：
It is a kind of to improve preparation method of the plastics using the high-quality filler of characteristic, comprise the following steps：
（1）Raw material weighs：
Two kinds of different titanium dioxides of granularity are weighed, are respectively designated as titanium dioxide A and titanium dioxide B, the granular size of the titanium dioxide A For 50 ~ 80 μm, the granular size of the titanium dioxide B is 8 ~ 15 μm, and the mass ratio of the titanium dioxide A and titanium dioxide B are 3 ~ 4：1；
（2）It is modified to prepare：
A. by step（1）The titanium dioxide A weighed is put into modification liquid, and it is 60 ~ 70 DEG C that heating, which keeps the temperature of modification liquid, constantly It is standby that mixture is obtained after 50 ~ 60min of stir process；Each composition and its corresponding parts by weight are in described modification liquid：15 ~ 20 parts of first Base methyl acrylate, 6 ~ 8 parts of polyvinyl alcohol, 3 ~ 5 parts of sodium carboxymethylcelluloses, 2 ~ 4 parts of calgons, 7 ~ 10 parts it is silane coupled Agent, 4 ~ 7 parts of cetyl benzenesulfonic acid sodiums, 200 ~ 220 parts of water；
B. by step（1）The titanium dioxide B weighed is put into60Radiation treatment is carried out in Co- gamma-ray irradiation instrument, after 10 ~ 15min Take out standby；
C. the titanium dioxide B after b is handled will be operated to put into the mixture obtained by operation a, the temperature of heating holding modification liquid is 75 ~ 80 DEG C, be again stirring for 30 ~ 40min of processing, after the completion of filter out filter residue is standby；
（3）Drying process：
By step（2）The filter residue of gained, which is put into drying box, is dried processing, is taken out after filter residue and drying to constant weight.
Further, step（2）The rotating speed for operating the stir process described in a is 600 ~ 700 revs/min.
Further, step（2）The silane coupler operated described in a is silane coupler kh550, silane coupler Any one in kh560, silane coupler kh570.
Further, step（2）Operate described in b60The close rate of Co- gamma-ray irradiations processing is 1 ~ 2kGy/min.
Further, step（2）The rotating speed for operating the stir process described in c is 1000 ~ 1100 revs/min.
Further, step（3）Described in drying process temperature be 80 ~ 85 DEG C.
Further, step（3）Described in drying process when keep drying box in pressure be 1 ~ 1.2MPa.
Titanium dioxide is one of filler commonly used in existing plastic manufacturing, and its overall performance to plastics has good improvement effect Fruit, but easily occur reuniting when finding titanium dioxide filling in actually manufacturing, scattered uneven phenomenon, at the same with plastic substrate into Adhesion strength between point is not high, causes filling effect not satisfactory, someone improves the table of titanium dioxide by coating modification processing Face activity, although serving certain effect, can influence lifting of the titanium dioxide for plastic optics characteristic etc., right to this present invention Titanium dioxide filler has carried out special improvement processing, has weighed the different titanium white meal component of two kinds of particle diameters, has utilized short grained titanium White powder carries out cladding processing to the titanium dioxide of bulky grain, and other are avoided well to itself carrying out coating modification using titanium dioxide The problem of optical filling performance losses that particulate component clad strip is come, while the titanium white powder particles of more particulate have been wrapped for plastics The enhancing effect of optical characteristics is more preferable, and the surface-active of the bulky grain titanium dioxide filler after modification liquid processing is remarkably reinforced, and is passed through60The surface active groups content and species of little particle titanium dioxide filler after the processing of Co- gamma-ray irradiations get a promotion, can be more preferable Grafting wrap in modification liquid processing after bulky grain titanium dioxide filler surface on, finally improve drying in drying process Pressure in case, further improve the compactness and stability for wrapping modified titanium dioxide filling-material structure.
The present invention has advantages below compared with prior art：
Filler overall structure produced by the present invention is stable, and the compatible bond strength between plastic substrate composition is high, can effectively carry The whiteness of plastics, glossiness, hardness, ageing resistance etc. are risen, there is good use value.
Embodiment
Embodiment 1
It is a kind of to improve preparation method of the plastics using the high-quality filler of characteristic, comprise the following steps：
（1）Raw material weighs：
Two kinds of different titanium dioxides of granularity are weighed, are respectively designated as titanium dioxide A and titanium dioxide B, the granular size of the titanium dioxide A For 50 ~ 80 μm, the granular size of the titanium dioxide B is 8 ~ 15 μm, and the mass ratio of the titanium dioxide A and titanium dioxide B are 3：1；
（2）It is modified to prepare：
A. by step（1）The titanium dioxide A weighed is put into modification liquid, and it is 60 DEG C that heating, which keeps the temperature of modification liquid, is constantly stirred Mix processing 50min after mixture it is standby；Each composition and its corresponding parts by weight are in described modification liquid：15 parts of methacrylic acids Methyl esters, 6 parts of polyvinyl alcohol, 3 parts of sodium carboxymethylcelluloses, 2 parts of calgons, 7 parts of silane couplers, 4 parts of cetyl benzene Sodium sulfonate, 200 parts of water；
B. by step（1）The titanium dioxide B weighed is put into60Radiation treatment is carried out in Co- gamma-ray irradiation instrument, is taken out after 10min It is standby；
C. the titanium dioxide B after b is handled will be operated to put into the mixture obtained by operation a, the temperature of heating holding modification liquid is 75 DEG C, be again stirring for handle 30min, after the completion of filter out filter residue is standby；
（3）Drying process：
By step（2）The filter residue of gained, which is put into drying box, is dried processing, is taken out after filter residue and drying to constant weight.
Further, step（2）The rotating speed for operating the stir process described in a is 600 revs/min.
Further, step（2）The silane coupler operated described in a is silane coupler kh550.
Further, step（2）Operate described in b60The close rate of Co- gamma-ray irradiations processing is 1kGy/min.
Further, step（2）The rotating speed for operating the stir process described in c is 1000 revs/min.
Further, step（3）Described in drying process temperature be 80 DEG C.
Further, step（3）Described in drying process when keep drying box in pressure be 1MPa.
Embodiment 2
It is a kind of to improve preparation method of the plastics using the high-quality filler of characteristic, comprise the following steps：
（1）Raw material weighs：
Two kinds of different titanium dioxides of granularity are weighed, are respectively designated as titanium dioxide A and titanium dioxide B, the granular size of the titanium dioxide A For 50 ~ 80 μm, the granular size of the titanium dioxide B is 8 ~ 15 μm, and the mass ratio of the titanium dioxide A and titanium dioxide B are 3.5：1；
（2）It is modified to prepare：
A. by step（1）The titanium dioxide A weighed is put into modification liquid, and it is 65 DEG C that heating, which keeps the temperature of modification liquid, is constantly stirred Mix processing 55min after mixture it is standby；Each composition and its corresponding parts by weight are in described modification liquid：18 parts of methacrylic acids Methyl esters, 7 parts of polyvinyl alcohol, 4 parts of sodium carboxymethylcelluloses, 3 parts of calgons, 9 parts of silane couplers, 6 parts of cetyl benzene Sodium sulfonate, 210 parts of water；
B. by step（1）The titanium dioxide B weighed is put into60Radiation treatment is carried out in Co- gamma-ray irradiation instrument, is taken out after 13min It is standby；
C. the titanium dioxide B after b is handled will be operated to put into the mixture obtained by operation a, the temperature of heating holding modification liquid is 78 DEG C, be again stirring for handle 35min, after the completion of filter out filter residue is standby；
（3）Drying process：
By step（2）The filter residue of gained, which is put into drying box, is dried processing, is taken out after filter residue and drying to constant weight.
Further, step（2）The rotating speed for operating the stir process described in a is 650 revs/min.
Further, step（2）The silane coupler operated described in a is silane coupler kh560.
Further, step（2）Operate described in b60The close rate of Co- gamma-ray irradiations processing is 1.5kGy/min.
Further, step（2）The rotating speed for operating the stir process described in c is 1050 revs/min.
Further, step（3）Described in drying process temperature be 82 DEG C.
Further, step（3）Described in drying process when keep drying box in pressure be 1.1MPa.
Embodiment 3
It is a kind of to improve preparation method of the plastics using the high-quality filler of characteristic, comprise the following steps：
（1）Raw material weighs：
Two kinds of different titanium dioxides of granularity are weighed, are respectively designated as titanium dioxide A and titanium dioxide B, the granular size of the titanium dioxide A For 50 ~ 80 μm, the granular size of the titanium dioxide B is 8 ~ 15 μm, and the mass ratio of the titanium dioxide A and titanium dioxide B are 4：1；
（2）It is modified to prepare：
A. by step（1）The titanium dioxide A weighed is put into modification liquid, and it is 70 DEG C that heating, which keeps the temperature of modification liquid, is constantly stirred Mix processing 60min after mixture it is standby；Each composition and its corresponding parts by weight are in described modification liquid：20 parts of methacrylic acids Methyl esters, 8 parts of polyvinyl alcohol, 5 parts of sodium carboxymethylcelluloses, 4 parts of calgons, 10 parts of silane couplers, 7 parts of cetyl benzene Sodium sulfonate, 220 parts of water；
B. by step（1）The titanium dioxide B weighed is put into60Radiation treatment is carried out in Co- gamma-ray irradiation instrument, is taken after 15min Go out standby；
C. the titanium dioxide B after b is handled will be operated to put into the mixture obtained by operation a, the temperature of heating holding modification liquid is 80 DEG C, be again stirring for handle 40min, after the completion of filter out filter residue is standby；
（3）Drying process：
By step（2）The filter residue of gained, which is put into drying box, is dried processing, is taken out after filter residue and drying to constant weight.
Further, step（2）The rotating speed for operating the stir process described in a is 700 revs/min.
Further, step（2）The silane coupler operated described in a is silane coupler kh570.
Further, step（2）Operate described in b60The close rate of Co- gamma-ray irradiations processing is 2kGy/min.
Further, step（2）The rotating speed for operating the stir process described in c is 1100 revs/min.
Further, step（3）Described in drying process temperature be 85 DEG C.
Further, step（3）Described in drying process when keep drying box in pressure be 1.2MPa.
Comparative example 1
This comparative example 1 compared with Example 2, with etc. mass parts granularity identical titanium carbide substitute titanium dioxide B, in addition Method and step all same.
Comparative example 2
This comparative example 2 compared with Example 2, saves step（2）Operation b processing in modified preparation, method in addition Step all same.
Comparative example 3
This comparative example 3 compared with Example 2, saves step（3）The pressurized treatment for drying box in drying process, is removed In addition method and step all same.
Control group
Existing commercially available titanium dioxide filler.
In order to contrast effect of the present invention, performance test experiments are carried out to above-mentioned filler, are specially：Using polyvinyl chloride resin as matrix, Addition above-described embodiment 2, comparative example 1, comparative example 2, comparative example 3, filler corresponding to control group are corresponded to respectively, In addition to the species of filler is different, other processing conditions such as the mass fraction of addition, other auxiliary agent species are identical, finally right PVC plastic batten should be made, then plastics batten progressive can be detected, specific correction data is as shown in table 1 below：
Table 1
Whiteness（%） Glossiness（%） Tensile strength（MPa）
Embodiment 2 86.6 80.0 46.6
Comparative example 1 83.8 77.2 44.8
Comparative example 2 84.6 78.3 44.0
Comparative example 3 85.2 79.1 43.5
Control group 82.7 76.8 42.3
Note：Tensile strength described in upper table 1 is measured with reference to GB-1040-79.
The filler that it can be seen from upper table 1 prepared by the inventive method can effectively improve the integrated quality of plastics, improve Its performance, has good value for applications.

Claims (7)

1. a kind of improve preparation method of the plastics using the high-quality filler of characteristic, it is characterised in that comprises the following steps：
（1）Raw material weighs：
Two kinds of different titanium dioxides of granularity are weighed, are respectively designated as titanium dioxide A and titanium dioxide B, the granular size of the titanium dioxide A For 50 ~ 80 μm, the granular size of the titanium dioxide B is 8 ~ 15 μm, and the mass ratio of the titanium dioxide A and titanium dioxide B are 3 ~ 4：1；
（2）It is modified to prepare：
A. by step（1）The titanium dioxide A weighed is put into modification liquid, and it is 60 ~ 70 DEG C that heating, which keeps the temperature of modification liquid, constantly It is standby that mixture is obtained after 50 ~ 60min of stir process；Each composition and its corresponding parts by weight are in described modification liquid：15 ~ 20 parts of first Base methyl acrylate, 6 ~ 8 parts of polyvinyl alcohol, 3 ~ 5 parts of sodium carboxymethylcelluloses, 2 ~ 4 parts of calgons, 7 ~ 10 parts it is silane coupled Agent, 4 ~ 7 parts of cetyl benzenesulfonic acid sodiums, 200 ~ 220 parts of water；
B. by step（1）The titanium dioxide B weighed is put into60Radiation treatment is carried out in Co- gamma-ray irradiation instrument, is taken after 10 ~ 15min Go out standby；
C. the titanium dioxide B after b is handled will be operated to put into the mixture obtained by operation a, the temperature of heating holding modification liquid is 75 ~ 80 DEG C, be again stirring for 30 ~ 40min of processing, after the completion of filter out filter residue is standby；
（3）Drying process：
By step（2）The filter residue of gained, which is put into drying box, is dried processing, is taken out after filter residue and drying to constant weight.
2. a kind of preparation method for improving plastics and using the high-quality filler of characteristic according to claim 1, its feature exist In step（2）The rotating speed for operating the stir process described in a is 600 ~ 700 revs/min.
3. a kind of preparation method for improving plastics and using the high-quality filler of characteristic according to claim 1, its feature exist In step（2）The silane coupler operated described in a is silane coupler kh550, silane coupler kh560, silane coupler Any one in kh570.
4. a kind of preparation method for improving plastics and using the high-quality filler of characteristic according to claim 1, its feature exist In step（2）Operate described in b60The close rate of Co- gamma-ray irradiations processing is 1 ~ 2kGy/min.
5. a kind of preparation method for improving plastics and using the high-quality filler of characteristic according to claim 1, its feature exist In step（2）The rotating speed for operating the stir process described in c is 1000 ~ 1100 revs/min.
6. a kind of preparation method for improving plastics and using the high-quality filler of characteristic according to claim 1, its feature exist In step（3）Described in drying process temperature be 80 ~ 85 DEG C.
7. a kind of preparation method for improving plastics and using the high-quality filler of characteristic according to claim 1, its feature exist In step（3）Described in drying process when keep drying box in pressure be 1 ~ 1.2MPa.
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CN1724595A (en) * 2005-07-07 2006-01-25 北京天之岩健康科技有限公司 White minera powder TiO2 composite white pigment and its preparation method
EP1641886A2 (en) * 2003-05-19 2006-04-05 Engelhard Corporation Carbon coated high luster materials
US20060090672A1 (en) * 2004-10-29 2006-05-04 Millennium Inorganic Chemicals, Inc. Compositions and methods comprising titanium dioxide pigments and coupling agents
CN106633186A (en) * 2016-12-16 2017-05-10 全椒祥瑞塑胶有限公司 Titanium dioxide filler capable of improving plastic optical properties

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* Cited by examiner, † Cited by third party
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EP1641886A2 (en) * 2003-05-19 2006-04-05 Engelhard Corporation Carbon coated high luster materials
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