CN104945751A - BIPB (bis(tert-butylperoxy isopropyl)benzene) master batch and preparation method thereof - Google Patents
BIPB (bis(tert-butylperoxy isopropyl)benzene) master batch and preparation method thereof Download PDFInfo
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- 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
- C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
- C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or compounds containing halogen
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Abstract
The invention discloses a BIPB (bis(tert-butylperoxy isopropyl)benzene) master batch which is prepared from 80-120 parts of chlorinated polyethylene, 100-150 parts of ground calcium carbonate, 1-2 parts of dispersing agent, 30-50 parts of BIPB and 5-15 parts of mixed plasticizer. The invention also discloses a preparation method of the BIPB master batch. By designing the reasonable formula and technique, the master batch, which is compounded from the peroxide BIPB by adding the dispersing agent and adopting the appropriate formula researched through appropriate materials according to the formula and technique, can not severely precipitate crystal in a short time, and the hardness can not greatly change.
Description
Technical field
The present invention relates to a kind of master batch and preparation method thereof, particularly a kind of BIPB master batch and preparation method thereof.
Background technology
In electric wire rubber insulation material making processes (often with CPE, EPDM etc. are as main material) in, usually by peroxide vulcanizing agent DCP(dicumyl peroxide) be first made into the form of master batch, rubber unvulcanizate is by after banburying, filter progress, add sulphur on a mill until, avoid scorching.And the consistency of superoxide DCP master batch and CPE base-material is better, also not easily separate out during high density.
DCP master batch, owing to employing DCP, can generate the gas of bad smell in cross-linking process, and rubber yarn requires that odorlessness becomes a kind of trend, particularly household electrical appliance wire rod used in recent years.The most frequently used tasteless linking agent is BIPB(dual-tert-butyl dicumyl peroxide), the making difficult point of BIPB master batch is: BIPB fusing point low (45 DEG C), and with CPE easy saturated thus very easily crystallization in high density situation, rubber master batch hardness is caused sharply to rise, when adding sulphur on a mill until, be difficult to melting, difficulties in dispersion, affect production efficiency and sizing material quality.
Summary of the invention
For solving the problem, the object of this invention is to provide a kind of BIPB master batch that is tasteless, not easily crystallization and preparation method thereof.
For achieving the above object, the present invention is by the following technical solutions:
A kind of BIPB master batch, prepared by the raw material of following weight part and obtain:
Chlorinatedpolyethylene 80 ~ 120 parts;
Water-ground limestone 100 ~ 150 parts;
Dispersion agent 1 ~ 2 part;
BIPB 30 ~ 50 parts;
Plastic binder 5 ~ 15 parts.
Further, the cl content of described chlorinatedpolyethylene is 34 ~ 36%, and shore hardness is 40 ~ 50A, the mooney viscosity ML of test at 121 DEG C
(1+4)be 50 ~ 60.
Further, described water-ground limestone is 2500 orders, and particle diameter 50% is distributed in 1 ~ 5 μm, and pH value is the water-ground limestone of 8.0 ~ 10.0.
Further, described dispersion agent is the metallic soap based mixtures of tensio-active agent.
Further, the pH value of described metallic soap based mixtures is 4.5 ~ 8, and weight loss on heating is less than 2.5%, and inorganic content is 13 ~ 17%.
Further, purity >=96% of described BIPB.
Further, described plastic binder is at least two kinds in dioctyl terephthalate, Octyl adipate and dioctyl sebacate.
A preparation method for above-mentioned BIPB master batch, comprises the following steps:
(1) raw material is taken, mixing by carrying out in chlorinatedpolyethylene, BIPB, water-ground limestone, dispersion agent, plastic binder input Banbury mixer successively, then binder removal;
(2) step (1) gained sizing material is transported in mill mixing, beats triangle Bao Sici, horizontal Bao Sanci, go out rubber master batch volume, enter glue frame, obtain product.
Further, step (1) the described mixing time is 4 ~ 6 minutes, and the temperature of described binder removal is 75 ~ 95 DEG C.
Further, the temperature of the described rubber master batch volume of step (2) is 30 ~ 50 DEG C.
The invention has the beneficial effects as follows:
1 the present invention is by recipe optimization reasonable in design, by superoxide BIPB by adding dispersion agent and selecting suitable material to work out suitable formula, serious crystallization is not had at short notice according to the master batch that composition and engineering of the present invention is smelt, hardness does not have large change, solves prior art Problems existing.
2 master batchs of the present invention directly add in insulation compound mixing on a mill until, and rubber unvulcanizate mixes, and the stable performance of gained sizing material extrusion line material, reaches standard-required.
3 techniques of the present invention refine a car BIPB master batch can divide multiple film, for many cars insulation compound, and the pre-dispersed effect of master batch make rubber compounding evenly, solve the problem of cross-linked rubber, and decrease mixing process and total mixing time.
4 adopt formula of the present invention and rubber mixing technique, and gained wire rod does not have bad smell, and decreases labor strength, improves working efficiency.
Embodiment
In following examples, the cl content of chlorinatedpolyethylene used is 34 ~ 36%, and shore hardness is 40 ~ 50A, the mooney viscosity ML of test at 121 DEG C
(1+4)be 50 ~ 60; Water-ground limestone used is 2500 orders, and particle diameter 50% is distributed in 1 ~ 5 μm, and pH value is the water-ground limestone of 8.0 ~ 10.0; Described dispersion agent used is the metallic soap based mixtures of tensio-active agent, and the pH value of metallic soap based mixtures is 4.5 ~ 8, and weight loss on heating is less than 2.5%, and inorganic content is 13 ~ 17%; Purity>=96% of BIPB used.
comparative example 1
Traditionally add sulphur mode, do not adopt the form of rubber master batch, directly add in rubber unvulcanizate with BIPB and carry out adding sulphur operation:
(1) BIPB is taken by formula stand-by;
(2) insulation compound filtered is transported to mill, is cooled to about 85 DEG C, clot is returned in Banbury mixer, adds BIPB, mixing 2 minutes, then evenly mixing on a mill until, completes and adds vulcanizing agent operation.
embodiment 1
Prepare BIPB master batch according to following steps and carry out vulcanization process:
(1) power turn-on, starting outfit, first running light 1 ~ 2 minute, whether monitoring device is normal, if normally, shuts down;
(2) 80 parts of chlorinatedpolyethylenees, 100 parts of water-ground limestones, 1 part of dispersion agent, 30 parts of BIPB, 5 parts of plastic binders (dioctyl terephthalate and Octyl adipate mix) are taken, successively chlorinatedpolyethylene, BIPB, water-ground limestone, dispersion agent, plastic binder are dropped into Banbury mixer, by hopper reset, put down floating weight and shield cap, mixing 5 minutes of starting outfit, then binder removal, dump temperature is strict controlled in 85 DEG C;
(3) be transported in mill by sizing material mixing, beat triangle Bao Sici, horizontal Bao Sanci, go out rubber master batch volume on request, to enter glue frame for subsequent use, rubber master batch volume temperature controls at 30 DEG C;
(4) insulation compound filtered is transported in mill evenly mixing together with the BIPB master batch of step (3) gained, completes and add vulcanizing agent operation.
Compare with the comparative example 1 as traditional technology, embodiment 1 refines a car BIPB master batch can divide multiple film, for many cars insulation compound, and the pre-dispersed effect of master batch make rubber compounding evenly, solve the problem of cross-linked rubber, and decrease mixing process and total mixing time.The master batch of embodiment 1 is without obvious crystallization in 24 hours, and changes in hardness is little.
embodiment 2
Prepare BIPB master batch according to following steps and carry out vulcanization process:
(1) power turn-on, starting outfit, first running light 1 ~ 2 minute, whether monitoring device is normal, if normally, shuts down;
(2) 120 parts of chlorinatedpolyethylenees, 150 parts of water-ground limestones, 2 parts of dispersion agents, 50 parts of BIPB, 15 parts of plastic binders (Octyl adipate and dioctyl sebacate mix) are taken, successively chlorinatedpolyethylene, BIPB, water-ground limestone, dispersion agent, plastic binder are dropped into Banbury mixer, by hopper reset, put down floating weight and shield cap, mixing 6 minutes of starting outfit, then binder removal, dump temperature is strict controlled in 95 DEG C;
(3) be transported in mill by sizing material mixing, beat triangle Bao Sici, horizontal Bao Sanci, go out rubber master batch volume on request, to enter glue frame for subsequent use, rubber master batch volume temperature controls at 50 DEG C;
(4) insulation compound filtered is transported in mill evenly mixing together with the BIPB master batch of step (3) gained, completes and add vulcanizing agent operation.
embodiment 3
Prepare BIPB master batch according to following steps and carry out vulcanization process:
(1) power turn-on, starting outfit, first running light 1 ~ 2 minute, whether monitoring device is normal, if normally, shuts down;
(2) 100 parts of chlorinatedpolyethylenees, 130 parts of water-ground limestones, 2 parts of dispersion agents, 40 parts of BIPB, 10 parts of plastic binders (Octyl adipate and dioctyl sebacate mix) are taken, successively chlorinatedpolyethylene, BIPB, water-ground limestone, dispersion agent, plastic binder are dropped into Banbury mixer, by hopper reset, put down floating weight and shield cap, mixing 4 minutes of starting outfit, then binder removal, dump temperature is strict controlled in 75 DEG C;
(3) be transported in mill by sizing material mixing, beat triangle Bao Sici, horizontal Bao Sanci, go out rubber master batch volume on request, to enter glue frame for subsequent use, rubber master batch volume temperature controls at 40 DEG C;
(4) insulation compound filtered is transported in mill evenly mixing together with the BIPB master batch of step (3) gained, completes and add vulcanizing agent operation.
embodiment 4
Prepare BIPB master batch according to following steps and carry out vulcanization process:
(1) power turn-on, starting outfit, first running light 1 ~ 2 minute, whether monitoring device is normal, if normally, shuts down;
(2) 110 parts of chlorinatedpolyethylenees, 120 parts of water-ground limestones, 1.5 parts of dispersion agents, 45 parts of BIPB, 12 parts of plastic binders (dioctyl terephthalate and Octyl adipate mix) are taken, successively chlorinatedpolyethylene, BIPB, water-ground limestone, dispersion agent, plastic binder are dropped into Banbury mixer, by hopper reset, put down floating weight and shield cap, mixing 5 minutes of starting outfit, then binder removal, dump temperature is strict controlled in 80 DEG C;
(3) be transported in mill by sizing material mixing, beat triangle Bao Sici, horizontal Bao Sanci, go out rubber master batch volume on request, to enter glue frame for subsequent use, rubber master batch volume temperature controls at 45 DEG C;
(4) insulation compound filtered is transported in mill evenly mixing together with the BIPB master batch of step (3) gained, completes and add vulcanizing agent operation.
The practical application of BIPB master batch
By the master batch of embodiment 4 for the production of YZW cable insulating material:
By chlorinatedpolyethylene 20 parts, polyolefin elastomer 15 parts, talcum powder 35 parts, water-ground limestone 25 parts, 3 parts, magnesium oxide, 2 parts, zinc oxide, stearic acid 1 part, 2,2,4-trimethylammonium-1,2-dihyaroquinoline polymer 1 part, 2.5 parts, paraffin, 0.5 part, oxidation inhibitor, to join in Banbury mixer after mixing 1 ~ 2 minute
,sweeping through the material adds paraffinic based oil 2 parts, triallylcyanurate 1.2 parts, then refines discharging in 3 ~ 4 minutes, filter through filter, be cooled to less than 90 DEG C on a mill until again, add BIPB master batch 7.7 parts mixing 4 minutes, mixing evenly rear thin-pass, roll over page and go out film, the film produced carries out vulcanization reaction through cold feed extruder and steam vulcanization pipe, and wherein cold feed extruder head temperature is 90 ~ 100 DEG C, and fuselage one district temperature is 60 ~ 80 DEG C, fuselage two district temperature is 70 ~ 90 DEG C, and air pressure is 1.4 ~ 1.5MPa.Product (the YZW1.5mm obtained
2) performance is as shown in table 1.
The performance of table 1 YZW cable insulating material
As can be seen from Table 1, the BIPB master batch adopting the technology of the present invention to prepare is applied to YZW cable insulating material and produces, the better performances of gained Insulation Material, and properties all can meet national standard and require and company standard.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly belongs to those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (10)
1. a BIPB master batch, is characterized in that, described BIPB master batch is prepared by the raw material of following weight part and obtains:
Chlorinatedpolyethylene 80 ~ 120 parts;
Water-ground limestone 100 ~ 150 parts;
Dispersion agent 1 ~ 2 part;
BIPB 30 ~ 50 parts;
Plastic binder 5 ~ 15 parts.
2. BIPB master batch according to claim 1, is characterized in that, the cl content of described chlorinatedpolyethylene is 34 ~ 36%, and shore hardness is 40 ~ 50A, the mooney viscosity ML of test at 121 DEG C
(1+4)be 50 ~ 60.
3. BIPB master batch according to claim 1, is characterized in that, described water-ground limestone is 2500 orders, and particle diameter 50% is distributed in 1 ~ 5 μm, and pH value is the water-ground limestone of 8.0 ~ 10.0.
4. BIPB master batch according to claim 1, is characterized in that, described dispersion agent is the metallic soap based mixtures of tensio-active agent.
5. BIPB master batch according to claim 4, is characterized in that, the pH value of described metallic soap based mixtures is 4.5 ~ 8, and weight loss on heating is less than 2.5%, and inorganic content is 13 ~ 17%.
6. BIPB master batch according to claim 1, is characterized in that, purity >=96% of described BIPB.
7. BIPB master batch according to claim 1, is characterized in that, described plastic binder is at least two kinds in dioctyl terephthalate, Octyl adipate and dioctyl sebacate.
8. a preparation method for BIPB master batch described in claim 1, is characterized in that, comprise the following steps:
(1) raw material is taken, mixing by carrying out in chlorinatedpolyethylene, BIPB, water-ground limestone, dispersion agent, plastic binder input Banbury mixer successively, then binder removal;
(2) step (1) gained sizing material is transported in mill mixing, beats triangle Bao Sici, horizontal Bao Sanci, go out rubber master batch volume, enter glue frame, obtain product.
9. the preparation method of BIPB master batch according to claim 8, is characterized in that, step (1) the described mixing time is 4 ~ 6 minutes, and the temperature of described binder removal is 75 ~ 95 DEG C.
10. the preparation method of BIPB master batch according to claim 8, is characterized in that, the temperature of the described rubber master batch volume of step (2) is 30 ~ 50 DEG C.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1063697A (en) * | 1992-03-16 | 1992-08-19 | 北京化工学院 | Polyolefin packing material |
| CN102558637A (en) * | 2011-12-28 | 2012-07-11 | 广州鹿山新材料股份有限公司 | Organic peroxide master batches and preparation method thereof |
| CN103342863A (en) * | 2013-07-15 | 2013-10-09 | 扬州华声电子实业有限公司 | Low-odor chlorinated polyethylene cable material and preparation method thereof |
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- 2015-05-27 CN CN201510277202.5A patent/CN104945751B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1063697A (en) * | 1992-03-16 | 1992-08-19 | 北京化工学院 | Polyolefin packing material |
| CN102558637A (en) * | 2011-12-28 | 2012-07-11 | 广州鹿山新材料股份有限公司 | Organic peroxide master batches and preparation method thereof |
| CN103342863A (en) * | 2013-07-15 | 2013-10-09 | 扬州华声电子实业有限公司 | Low-odor chlorinated polyethylene cable material and preparation method thereof |
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Effective date of registration: 20170809 Address after: 528305 Guangdong City, Shunde District, Ronggui Street Office of the Chinese community residents committee, one of the East Village Road, No. 13 Applicant after: GUANGDONG HUASHENG ELECTRICAL APPLIANCES CO.,LTD. Address before: 528305, No. 13 East Bao Dong Road, Ronggui street, Shunde District, Foshan, Guangdong Applicant before: GUANGDONG HUASHENG ELECTRICAL APPLIANCES Co.,Ltd. |
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Denomination of invention: A BIPB masterbatch rubber and its preparation method Effective date of registration: 20230707 Granted publication date: 20170919 Pledgee: China Co. truction Bank Corp Foshan branch Pledgor: GUANGDONG HUASHENG ELECTRICAL APPLIANCES CO.,LTD. Registration number: Y2023980047806 |