CN105504408A - TiO2 pre-dispersion master batch granules for rubber and preparing method of TiO2 pre-dispersion master batch granules - Google Patents
TiO2 pre-dispersion master batch granules for rubber and preparing method of TiO2 pre-dispersion master batch granules Download PDFInfo
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- CN105504408A CN105504408A CN201610027961.0A CN201610027961A CN105504408A CN 105504408 A CN105504408 A CN 105504408A CN 201610027961 A CN201610027961 A CN 201610027961A CN 105504408 A CN105504408 A CN 105504408A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/06—Copolymers with styrene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2307/00—Characterised by the use of natural rubber
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2309/00—Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2309/00—Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
- C08J2309/06—Copolymers with styrene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2409/00—Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
- C08J2409/06—Copolymers with styrene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/16—Ethene-propene or ethene-propene-diene copolymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses TiO2 pre-dispersion master batch granules for rubber. The TiO2 pre-dispersion master batch granules for rubber are prepared from, by weight, 6-12 parts of a rubber carrier, 75-80 parts of TiO2, 2-4 parts of a softening agent, 2-4 parts of a processing agent and 3-8 parts of filter. The preparing method comprises the steps that firstly, smelting is carried out, wherein TiO2, the softening agent, the processing agent and the filler are put into a smelting machine at a certain ratio for smelting for around 30 s, a rubber matrix is added, the temperature ranges from 50 DEG C to 65 DEG C, and the time ranges from 8 min to 12 min; secondly, granulation is carried out, wherein the smelted materials are fed into a granulating machine for granulation. The pre-dispersion master batch granules have the advantages of being easy to disperse, free of dust pollution, good in processability and the like when used for preparing rubber, can serve as a coloring agent for rubber, also has the effects of strengthening, an anti-aging agent and filling, and can enhance the capability of resisting ozone and ultraviolet rays.
Description
Technical field
The present invention relates to a kind of rubber ingredients, particularly relate to a kind of rubber TiO
2pre-dispersed masterbatch particles and preparation method thereof.
Background technology
Titanium dioxide both as tinting material, has again reinforcement, anti-aging, filling effect in rubber industry.In white and colorful rubber goods, add titanium dioxide, under sun exposure, sun-resistant, do not ftracture, nondiscoloration, percentage of elongation greatly and acid and alkali-resistance.Rubber titanium dioxide, is mainly used in doughnut and rubber overshoes, rubber floor covering, gloves, sports equipment etc.; And be that raw material drops into powder be easily produce a large amount of dust, meanwhile, dust adheres to clothes or other products pollutes.
Summary of the invention
The present invention is the technical problem that will solve: for existing TiO
2uneven and the powder of the dispersion that powder exists in rubber mixing process flies upward and waits deficiency, first develops a kind of environmentally friendly rubber TiO
2pre-dispersed masterbatch particles and preparation method thereof.Rubber TiO prepared by the present invention
2pre-dispersed masterbatch particles and preparation method thereof effectively improves the advantage such as easily disperse, pollution-free, good processing in rubber item.
Technical scheme of the present invention is: a kind of rubber TiO
2pre-dispersed masterbatch particles, said composition comprises: with parts by weight, rubber carrier 6 ~ 12 parts, TiO
275 ~ 80 parts, tenderizer 2 ~ 4 parts, processing aid 2 ~ 4 parts and weighting agent 3 ~ 8 parts.
Being further improved to technique scheme, described rubber TiO
2the pre-dispersed masterbatch particles of hydrogenated nitrile-butadiene rubber heat-resistant agent, is characterized in that said composition comprises: with parts by weight, rubber carrier 12 parts, TiO
275 parts, tenderizer 4 parts, processing aid 4 parts and weighting agent 5 parts.
Being further improved to technique scheme, described rubber TiO
2the pre-dispersed masterbatch particles of hydrogenated nitrile-butadiene rubber heat-resistant agent, is characterized in that said composition comprises: with parts by weight, rubber carrier 8 parts, TiO
280 parts, tenderizer 4 parts, processing aid 2 parts and weighting agent 6 parts.
Being further improved to technique scheme, described rubber TiO
2the pre-dispersed masterbatch particles of hydrogenated nitrile-butadiene rubber heat-resistant agent, is characterized in that said composition comprises: with parts by weight, rubber carrier 7 parts, TiO
278 parts, tenderizer 4 parts, processing aid 3 parts and weighting agent 8 parts.
Being further improved to technique scheme, described rubber TiO
2pre-dispersed masterbatch particles, is characterized in that: described rubber carrier is one or more in SBR or EPDM; Described tenderizer is one or more in white mineral oil, naphthenic oil or aromatic hydrocarbon oil; Described processing aid is one or more in stearic acid, stearate or tetramethylolmethane stearate; Described weighting agent is one or more in light calcium carbonate, magnesiumcarbonate or talcum powder.
A preparation method for the pre-dispersed masterbatch particles of rubber TiO2, comprises the steps:
(1) banburying step: Banbury mixer is preheated to 50 ~ 65 DEG C, take according to proportion speed and prepare each raw material needed for masterbatch particles and drop into and carry out mixing in Banbury mixer, mixing time is 8 ~ 12min.
(2) granulation step: material is mixing complete after be fed through tablets press and carry out granulation, the die head drop temperature of tablets press controls 55 ~ 65 DEG C, and material is extruded through die head and obtained pre-dispersed masterbatch particles after pelletizing.
Being improved to further technique scheme, described tenderizer is white mineral oil, and weighting agent is light calcium carbonate, and processing aid is tetramethylolmethane stearate.
Being improved to further technique scheme, in described banburying step, feeding sequence is TiO
2, processing aid, weighting agent, tenderizer and rubber.
Being improved to further technique scheme, in described granulation step, adopts bipyramid granulator granulation, controls the gun barrel of Screw Extrusion part at 55 ~ 65 DEG C simultaneously.
Being improved to further technique scheme, also comprises filtration step, and raw material is first sent into filter and filtered after mixer mixing, sends into tablets press again and carry out granulation after having filtered.
Beneficial effect of the present invention is:
1, rubber TiO of the present invention
2pre-dispersed masterbatch particles effectively ensures that rubber is prepared sizing material and had the advantages such as easy dispersion, no dust pollution, processibility be good, to rubber namely as tinting material, has again reinforcement, anti-aging agent, filling effect, also can strengthen ozone-resistant and anti-ultraviolet ability simultaneously.
2, rubber TiO of the present invention
2pre-dispersed masterbatch particles, from the source of raw material, the quality of cost and product carried out meticulous design, affordable, can enhance productivity simultaneously, reduce production cost, and be applicable to the mechanicals of the rubber-like such as doughnut and rubber overshoes, rubber floor covering, gloves, sports equipment.
Accompanying drawing explanation
Fig. 1 is process flow sheet of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
The rubber TiO of embodiment one
2pre-dispersed masterbatch particles composition: with parts by weight, rubber carrier 12 parts, TiO
275 parts, tenderizer 4 parts, processing aid 4 parts and weighting agent 5 parts.
The preparation method of this pre-dispersed masterbatch particles as shown in Figure 1, comprises the steps:
S1 banburying step: Banbury mixer is preheated to 60 DEG C, has weighed TiO according to proportion speed
2, tenderizer, processing aid, weighting agent and rubber carrier drop into and carry out mixing in Banbury mixer, mixing time is about 10min;
S2 filtration step: first send into filter after raw material is mixing and filter, filter adopts the screen cloth of more than 120 order numbers to filter the large granular impurity in gluey material, then material is sent into tablets press and carries out granulation;
S3 granulation step: material is mixing complete after be fed through bipyramid tablets press and carry out granulation; the gun barrel temperature of tablets press is controlled at 50 DEG C die head drop temperature controls 60 DEG C; material is extruded through die head and is obtained good pre-dispersed masterbatch particles finished product after pelletizing, obtains the TiO of embodiment one
2the pre-dispersed rubber master batch of-75/SBR.After tested, this masterbatch particles Mooney point ML (1+4) min, 50 DEG C of density when being 54.69,20 DEG C are, 2.56g/cm
3.
The rubber TiO of embodiment two
2the composition of pre-dispersed masterbatch particles: with parts by weight, rubber carrier 10, TiO
277, tenderizer 4 parts, processing aid 4 parts, weighting agent 5 parts; The preparation method of this masterbatch particles is with example one; The TiO of the embodiment two obtained
2the pre-dispersed masterbatch particles of-78/SBR.After tested, this masterbatch particles Mooney point ML (1+4) min, 50 DEG C of density when being 58.07,20 DEG C are, 2.62g/cm
3.
The rubber TiO of embodiment three
2the composition of pre-dispersed masterbatch particles: with parts by weight, rubber carrier 8 parts, TiO
280 parts, tenderizer 4 parts, processing aid 2 parts and weighting agent 6 parts; The preparation method of this masterbatch particles is with example one; The TiO of the embodiment three obtained
2the pre-dispersed masterbatch particles of-80/SBR.After tested, this masterbatch particles Mooney point ML (1+4) min, 50 DEG C of density when being 59.73,20 DEG C are, 2.65g/cm
3.
The rubber TiO of embodiment four
2the composition of pre-dispersed masterbatch particles: with parts by weight, rubber carrier 7 parts, TiO
278 parts, tenderizer 4 parts, processing aid 3 parts and weighting agent 8 parts; The preparation method of this masterbatch particles is with example one; The TiO of the embodiment three obtained
2the pre-dispersed masterbatch particles of-80/SBR.After tested, this masterbatch particles Mooney point ML (1+4) min, 50 DEG C of density when being 58.88,20 DEG C are, 2.60g/cm
3.
The rubber TiO of embodiment five
2the composition of pre-dispersed masterbatch particles: with parts by weight, rubber carrier 6 parts, TiO
280 parts, tenderizer 4 parts, processing aid 4 parts and weighting agent 6 parts; The preparation method of this masterbatch particles is with example one; The TiO of the embodiment three obtained
2the pre-dispersed masterbatch particles of-80/SBR.After tested, this masterbatch particles Mooney point ML (1+4) min, 50 DEG C of density when being 60.66,20 DEG C are, 2.59g/cm
3.
The pre-dispersed masterbatch particles of rubber TiO2 provided by the invention is by contrasting with general Ti02 powder on market:
Experimental technique:
1. test basic recipe:
2. contrast:
3. become rubber unvulcanizate with the banburying of 1.5L Banbury mixer, mechanical mill slice is taken by profit, additional vulcanizing agent S, use excellent willing U-CAN without the vulcanization curve (160 DEG C of * 6min) of rotor vulkameter test sizing material, compression molding machine burning sheet, tests vulcanizating glue physical performance, ZG-UL ventilation-type aging case with universal testing machine simultaneously in 70 DEG C of * 72h condition test tests, ozone ageing case, surveys 3h color inhibition test in be full of cracks and UV ultraviolet radiation test case;
Test result:
Figure can find out thus, the rubber Ti0 of five embodiments of the present invention
2the performance of pre-dispersed masterbatch particles product in aging coefficient, be full of cracks and uvioresistant etc. is all better than market and generally uses TiO
2the product of powder, a kind of paracril wherein in example 3 is best by pre-dispersed masterbatch particles product performance, and prevents flying upward of powder in process of production simultaneously, reaches the requirement of business administration environmental protection.Therefore rubber TiO of the present invention is adopted
2pre-dispersed masterbatch particles effectively ensures that rubber is prepared sizing material and had the advantages such as easy dispersion, no dust pollution, processibility be good, to rubber namely as tinting material, has again reinforcement, anti-aging agent, filling effect, also can strengthen ozone-resistant and anti-ultraviolet ability simultaneously.
Claims (10)
1. a rubber TiO
2pre-dispersed masterbatch particles, said composition comprises: with parts by weight, rubber carrier 6 ~ 12 parts, TiO
275 ~ 80 parts, tenderizer 2 ~ 4 parts, processing aid 2 ~ 4 parts and weighting agent 3 ~ 8 parts.
2. rubber TiO according to claim 1
2the pre-dispersed masterbatch particles of hydrogenated nitrile-butadiene rubber heat-resistant agent, is characterized in that said composition comprises: with parts by weight, rubber carrier 12 parts, TiO
275 parts, tenderizer 4 parts, processing aid 4 parts and weighting agent 5 parts.
3. rubber TiO according to claim 1
2the pre-dispersed masterbatch particles of hydrogenated nitrile-butadiene rubber heat-resistant agent, is characterized in that said composition comprises: with parts by weight, rubber carrier 8 parts, TiO
280 parts, tenderizer 4 parts, processing aid 2 parts and weighting agent 6 parts.
4. rubber TiO according to claim 1
2the pre-dispersed masterbatch particles of hydrogenated nitrile-butadiene rubber heat-resistant agent, is characterized in that said composition comprises: with parts by weight, rubber carrier 7 parts, TiO
278 parts, tenderizer 4 parts, processing aid 3 parts and weighting agent 8 parts.
5. rubber TiO according to claim 1
2pre-dispersed masterbatch particles, is characterized in that: described rubber carrier is one or more in SBR or EPDM; Described tenderizer is one or more in white mineral oil, naphthenic oil or aromatic hydrocarbon oil; Described processing aid is one or more in stearic acid, stearate or tetramethylolmethane stearate; Described weighting agent is one or more in light calcium carbonate, magnesiumcarbonate or talcum powder.
6. a preparation method for the pre-dispersed masterbatch particles of rubber TiO2, comprises the steps:
(1) banburying step: Banbury mixer is preheated to 50 ~ 65 DEG C, take according to proportion speed and prepare each raw material needed for masterbatch particles and drop into and carry out mixing in Banbury mixer, mixing time is 8 ~ 12min.
(2) granulation step: material is mixing complete after be fed through tablets press and carry out granulation, the die head drop temperature of tablets press controls 55 ~ 65 DEG C, and material is extruded through die head and obtained pre-dispersed masterbatch particles after pelletizing.
7. rubber TiO according to claim 6
2the preparation method of pre-dispersed masterbatch particles, is characterized in that: described rubber carrier is SBR, and tenderizer is white mineral oil, and processing aid is stearate, and weighting agent is light calcium carbonate.
8. rubber TiO according to claim 6
2the preparation method of pre-dispersed masterbatch particles, is characterized in that: in described banburying step, and feeding sequence is TiO
2, tenderizer, processing aid, weighting agent and rubber matrix.
9. the preparation method of the pre-dispersed masterbatch particles of rubber TiO2 according to claim 6, is characterized in that: in described granulation step, adopts bipyramid granulator granulation, controls the gun barrel of Screw Extrusion part at 45 ~ 55 DEG C simultaneously.
10. the preparation method of the pre-dispersed masterbatch particles of rubber TiO2 according to claim 6, is characterized in that: also comprise filtration step, and raw material is first sent into filter and filtered after mixer mixing, sends into tablets press again and carry out granulation after having filtered.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610027961.0A CN105504408A (en) | 2016-01-15 | 2016-01-15 | TiO2 pre-dispersion master batch granules for rubber and preparing method of TiO2 pre-dispersion master batch granules |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610027961.0A CN105504408A (en) | 2016-01-15 | 2016-01-15 | TiO2 pre-dispersion master batch granules for rubber and preparing method of TiO2 pre-dispersion master batch granules |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105694242A (en) * | 2016-04-21 | 2016-06-22 | 宁波硫华聚合物有限公司 | Colored or white rubber brightener titanium dioxide pre-dispersion masterbatch particles and preparation method thereof |
-
2016
- 2016-01-15 CN CN201610027961.0A patent/CN105504408A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105694242A (en) * | 2016-04-21 | 2016-06-22 | 宁波硫华聚合物有限公司 | Colored or white rubber brightener titanium dioxide pre-dispersion masterbatch particles and preparation method thereof |
| CN105694242B (en) * | 2016-04-21 | 2018-07-20 | 宁波艾克姆新材料有限公司 | Colored or pre-dispersed masterbatch particles of white rubber brightening agent titanium dioxide and preparation method thereof |
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Application publication date: 20160420 |