CN102321281A - Composition of calcium carbonate and organic elastomer and preparation method thereof - Google Patents
Composition of calcium carbonate and organic elastomer and preparation method thereof Download PDFInfo
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- CN102321281A CN102321281A CN201110227562A CN201110227562A CN102321281A CN 102321281 A CN102321281 A CN 102321281A CN 201110227562 A CN201110227562 A CN 201110227562A CN 201110227562 A CN201110227562 A CN 201110227562A CN 102321281 A CN102321281 A CN 102321281A
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Abstract
The invention provides a composition of calcium carbonate and organic elastomer and a preparation method thereof. The composition of calcium carbonate and organic elastomer includes ingredients of, by weight, 45-95% of calcium carbonate and 5-55% of organic elastomer particle. A preparation technology of the invention is simple. A filler of calcium carbonate itself is used as a separant and a flocculating agent, and the composition has no impurity, so as to substantially lower costs and facilitate industrialization. The composition has good physical mechanical property, good fluidity and storage stability, and can be widely applied to fields of rubber product, adhesive and polymer modification to enhance or improve comprehensive performances of a matrix material. For instance, the composition can be used in a rubber product to substantially enhance mechanical properties, in a friction material as a phenolic aldehyde adhesive improving component to substantially improve flexural modulus of the friction material, and in polymer modification to enhance and toughen polyvinyl chloride, enhance high and low temperature resistance performance of asphalt, improve tensile strength, elongation and impact intensity of phenolic resin.
Description
Technical field
The present invention relates to a kind of calcium carbonate superfine powder and organic elastomer composition and method of making the same, can be applied to fields such as rubber item, tamanori and polymer modification.
Background technology
Latex emulsion is that a kind of emulsified particle is dispersed in the metastable state system in the solution.The latex particle diameter that in letex polymerization, forms is about 50-300nm, a certain amount of emulsifying agent molecule of latex particle surface adsorption.Latex particle and emulsifying agent molecular adsorption layer have constituted the double electrical layers of emulsion system, make like charges on the latex granule subband, repel each other between same sex electric charge, form stable emulsion system.Want to make the latex particle condensation powdering, need to destroy the double electrical layers of latex, make latex particle cohere into secondary particle mutually, prevent that secondary particle from continuing to cohere the big particle of formation simultaneously again, even become piece, agglomerating.Through in latex system, adding the emulsion of ionogen or oppositely charged, the electrostatic double layer of latex system is compressed, and the latex particle stability decreases when emulsion concentration of ionogen or oppositely charged is enough big, can realize the cohesion powderised of latex particle.
Along with the development of industrial technology, composite organic-inorganic material is owing to its excellent comprehensive performance gains great popularity.Utilize co-agglomeration that latex and a large amount of particles of inorganic material are mixed; With flocculation agent its cohesion can be obtained then that particle size is tiny, the organic and inorganic composition product of even particle size distribution, and can realize the homodisperse of inorganic particle in organism.
At present, the gordian technique of copolymerization method is the feasible composition grain controllable size and the even particle size distribution that generates of ratio of how to regulate flocculation agent and separant, is convenient to dry and application of later stage.Chinese patent document CN1415648 discloses a kind of preparation method of carbon black filled powder rubber, and as flocculation agent, macromolecule resin is controlled the powdered rubber particle diameter as coating separant through regulating coherence condition with an alkali metal salt or mineral acid.Chinese patent document CN102020794 discloses a kind of nano-calcium carbonate and styrene-butadiene rubber(SBR) composition and method of making the same; With the synthetic suspension-s of nano-calcium carbonate carbonization is initial feed; And add properties-correcting agent emulsions such as soap, wetting dispersing agent, and adopt an alkali metal salt or mineral acid as flocculation agent, utilize calcium carbonate granule to be separant as inorganic filler; The resulting composition particle diameter is all less than 200 μ m; Content and flocculation agent concentration through regulating the nano-calcium carbonate slurry are controlled the product particle diameter, and technology obtains simplifying, and selects for use the nano-calcium carbonate slurry as raw material; Avoided the hard aggregation phenomenon of inorganics dry powder raw material, mineral filler dispersiveness in compsn is improved.Though above-mentioned preparation method can obtain the organic and inorganic compsn of certain grain size, as flocculation agent, used multiple auxiliary agent with an alkali metal salt or mineral acid, they remain in and are difficult in the composition product eliminate, and influence the use properties of compsn.
Summary of the invention
The purpose of this invention is to provide a kind of lime carbonate and organic elastomer composition and method of making the same, to overcome the defective that prior art exists.
Lime carbonate of the present invention and organic elastomer compsn comprise following component by mass percent:
Lime carbonate 45%～95%
Organic elastomer particle 5～55%
The particle diameter of said compsn is 30～200 μ m;
Said lime carbonate is synthetic calcium carbonate, and its particle diameter is between 0.012～1.50 μ m; Preferred particle diameter is 0.02～0.5 μ m;
Described lime carbonate and organic elastomer preparation of compositions method comprise the steps:
(1) in calcium carbonate suspension, under 45～95 ℃, add latex, insulation 10～30min obtains containing the compsn wet stock of particulate state condensation prod;
The quality solid content of said calcium carbonate suspension is 6～15%;
The quality solid content of said latex is 5～55%;
Said latex is the water dispersion of organic elastomer particle, and said organic elastomer is selected from styrene-butadiene rubber(SBR), paracril, polyhutadiene, X 050, second third glue, polyisoprene rubber, the ROHM elastomerics more than one;
The consumption of calcium carbonate suspension and the consumption of latex, count with the quality of lime carbonate and organic elastomer particle:
Lime carbonate 45%～95%
Organic elastomer particle 5～55%
Normally, the particle diameter of said machine elastomerics particle is less than 1 μ m;
Described latex can adopt the commercially available prod.
(2) with step (1) resulting composition wet stock under 60～120 ℃, drying and dehydrating obtains said lime carbonate of the present invention and organic elastomer compsn.
Said solid-liquid separating method can be to filter, the method that centrifugal grade is commonly used.
Said drying can adopt dynamically static exsiccant method such as exsiccant method or oven drying such as spraying drying, rotary flash distillation, fluidized-bed or oar blade type drying.
Preferably, said calcium carbonate suspension is a synthetic calcium carbonate suspension-s, is industrial production synthetic calcium carbonate slurry commonly used; The synthetic calcium carbonate slurry of preferred Carbonization Preparation; Its preparation method can be a kind of nano-calcium carbonate suspension-s of Carbonization Preparation, wherein with reference to the described method preparation in patent documentation CN 1631789A Instructions Page 3～page 4 step (1)～(3); The mass percentage content of nano-calcium carbonate is 6～15%, and the median size of nano-calcium carbonate is 0.012～0.10 μ m;
Said synthetic calcium carbonate suspension-s also can be with reference to the 3rd～4 page of described method preparation of patent documentation CN11724378A specification sheets; Submicron calcium carbonate suspension for a kind of Carbonization Preparation; Wherein the mass percent of lime carbonate is 10～15%, and the median size of calcium carbonate granule is 0.1～1.0 μ m.
The calcium ion of the abundant positively charged that the present invention contains through the calcium carbonate particles surface; And the calcium ion that contains trace in the calcium carbonate slurry solution; These calcium ion reaction sources play the effect of similar divalent metal salt; Can aggregation altogether take place with industrial latex commonly used, calcium carbonate slurry itself can play the effect of separant again simultaneously, can obtain the compsn of certain grain size scope through the content of regulating calcium carbonate slurry.
Preparation technology of the present invention is simple, and as separant and flocculation agent, compsn does not contain any impurity with weighting material lime carbonate self; Reduce cost significantly, and be easy to industriallization, the latex that the present invention adopts is latex commonly used in the industrial production; Need not particular process of manufacture; Prepared lime carbonate/organic elastomer compsn the size distribution of the present invention can be regulated calcium carbonate content through single factor and controlled, and can stably control the product particle diameter, obtains multiple size distribution compsn; Lime carbonate/tiny, the even particle size distribution of organic elastomer composition grain size of the present invention preparation, and lime carbonate is evenly distributed in compsn, and the lime carbonate/organic elastomer compsn physical and mechanical properties of the present invention's preparation is good; Good fluidity, stable storing, the present composition can be widely used in rubber item; The over-all properties of body material is improved or improved in field such as tamanori and polymer modification, as in rubber item; Can increase substantially its mechanical property, conduct improves the component of phenolic aldehyde tamanori in friction materials, obviously the mechanical shock performance of modified friction material; In polymer modification; But reinforcing and toughening polyvinyl chloride improves the bituminous high and low temperature resistance, improves tensile strength, elongation and the shock strength of resol.
Description of drawings
Fig. 1 is the compsn filter cake optical microscope photograph of embodiment 1 preparation
Fig. 2 is the compsn filter cake optical microscope photograph of embodiment 2 preparations
Fig. 3 is the compsn filter cake optical microscope photograph of embodiment 3 preparations
Embodiment
Below narrate through the embodiment specific embodiments of the invention, but embodiment does not limit protection scope of the present invention.
Employing standard sieve formula is measured the lime carbonate of preparation and the granularity and the distribution thereof of organic elastomer compsn initial composition.
Embodiment 1
The lime carbonate feedstock production:
Prepare the calcium carbonate suspension that solid content is 6wt% according to patent documentation CN 1631789A Instructions Page 3～page 4 step (1)～(3) described method, the median size that the specific surface area method records calcium carbonate granule is 30nm.
Preparation of compositions:
Getting calcium carbonate suspension 1.20kg inserts in the 2L reaction kettle; Stir and be warming up to 50 ℃ with 400r/min, the SBR-1502 styrene-butadiene latex 0.44kg that adds solid content then and be 20wt% stirs mixed, insulation 10min; Through filtering, dewatering; Filter cake is put into 120 ℃ of dry 2h of baking oven, obtains the present composition, and the resulting composition size distribution is seen table 1.Wherein: mass percent is: lime carbonate 45.0%, organic elastomer particle 55.0%.
Application test:
With 100g compsn and 1g Triple Pressed Stearic Acid, 3g zinc oxide, 1.75g sulphur; The 1g accelerator NS, the 1g antioxidant 264, in the mill mixing after wrap roller, play triangle bag 10 times with sheet under the 2.2mm; After placing 24h; Measure the sulfurizing time t90 of sizing material under 160 ℃ with vulkameter, sizing material vulcanizes by the sulfurizing time of measuring with 160 ℃ on the 25t vulcanizing press, and cross-linked rubber character is seen table 2.
The SBR-1502 styrene-butadiene latex is that the Jilin Petrochemical company trade mark is the product of E-SBR-1502;
The chemical name of accelerator NS is the N-tertiary butyl-2-[4-morpholinodithio time yellow acid amides;
The chemical name of antioxidant 264 is a DBPC 2,6 ditertiary butyl p cresol.
Use comparative example 1
According to the identical application test method of embodiment 1, be not both the compsn that replaces embodiment 1 with 100g piece glue SBR-1502, its character is seen table 2.
Embodiment 2
The lime carbonate feedstock production:
According to the identical method of embodiment 1, the median size of different is lime carbonate is 55nm, and the solids content of calcium carbonate suspension is 11.6wt%.
Preparation of compositions:
Get calcium carbonate suspension 1.50kg and place the 2L reaction kettle; Stir and be warming up to 60 ℃ with 550r/min; The Acronal S400 acrylic latex 0.18kg that adds solid content then and be 55wt% stirs mixed, insulation 20min, through filter, dehydration; Obtain the present composition behind the wet stock spray-dried (85 ℃ of tail gas temperature outs), the resulting composition size distribution is seen table 1.Wherein: mass percent is: lime carbonate 63.7%, organic elastomer particle 36.3%.
Application test:
With 30g compsn and the 200g trade mark be the PVC powder, 8g complex lead salt stabilizer, 4gACR LS-21,1.6g paraffin, 1g Triple Pressed Stearic Acid, 3g titanium of SG5 from the powder blend, at impeller premix 10min, then with two roller mills in 170 ℃ of mixing 8min; Then on vulcanizing press in 180 ℃ of preformed 3min, exhaust 30 times plastifies 5min under the 10MPa condition; 5min then colds pressing; Be cut into standard tensile, bending, impact batten at last, survey its shock strength with socle girder, omnipotent puller system is surveyed its stretching; Bending property is seen table 3.
Acronal S400 acrylic latex is the product of Acronal S400 for BASF Aktiengesellschaft's trade mark;
Complex lead salt stabilizer is that the good additives for plastics of Liyang City's small stream factory trade mark is the dustless compound plumbous 400 type products of PVC; ACR LS-21 is an acrylic ester impact-resisting modifier, is the product of Shandong Rui Feng macromolecular material limited-liability company.
Use comparative example 2
According to the method for embodiment 2 application tests, different is the compsn that replaces embodiment 2 with the 30g chlorinatedpolyethylene, and test result is seen table 3.
Embodiment 3
The lime carbonate feedstock production:
According to the identical method of embodiment 1, the median size of different is lime carbonate is 87nm, and the solids content of calcium carbonate suspension is 10.4wt%.
Preparation of compositions:
Calcium carbonate suspension 1.00kg inserts the 2L reaction kettle, stirs with 800r/min and is warming up to 90 ℃.Adding solid content then is the CRL40-Gx polychloroprene latex 0.52kg of 5wt%, the discharging of lowering the temperature behind the insulation 30min, and through filtering, dewatering, filter cake is put into 60 ℃ of dry 2h of baking oven, obtains compsn of the present invention, and the resulting composition size distribution is seen table 1.Wherein: mass percent is: lime carbonate 80.0%, organic elastomer particle 20.0%.
Application test:
The safe general gram 70# pitch of 200g is heated to trickling fully under 150 ℃, adds the 10g compsn then, stirring at low speed 20min then adds 0.2g sulphur stablizer, is warming up to 190 ℃, stirs and obtains the pitch matrix material after 60min minute, and its character is seen table 4.
CRL40-Gx polychloroprene latex adopts and goes up company of the seamount rubber chemical industry ltd trade mark is the product of CRL40-Gx.
Use comparative example 3
According to the method for embodiment 3 application tests, different is the compsn that replaces embodiment 3 with 10g Yanshan Petrochemical Company products SBS-4303, and test result is seen table 4.
Embodiment 4
The lime carbonate feedstock production:
Prepare the calcium carbonate suspension that solid content is 15wt% according to the 3rd～4 page of described method of patent documentation CN11724378A specification sheets, the median size of calcium carbonate granule is 0.155 μ m.
Preparation of compositions:
Get the 1.90kg calcium carbonate suspension and insert the 2L reaction kettle, stir and be warming up to 75 ℃ with 600r/min.Adding solid content then is the NBR-1704 nitrile rubber 0.03kg of 50wt%, and the discharging of lowering the temperature behind the insulation 20min through filtering, dewatering, obtains compsn of the present invention behind the wet compsn spray-dried (88 ℃ of tail gas temperature outs).Wherein: mass percent is: lime carbonate 95.0%, organic elastomer particle 5.0%.
Application test:
Is to press down in 35MPa pressure in the mould of 15mm to process cylindrical test block with 0.13g compsn and 0.87g resol at the bottom surface diameter, measures its diameter (r); Be fixed on then on 45 ° the inclined-plane steel plate, with 8h to 120 ℃ of 10 ℃/h heating, its diameter (R) is measured in the cooling back in 40 ℃ of electric furnaces.Calculate mobile according to formula: flowability/%=(R-r)/r; The hot-plate that 0.13g compsn and 0.87g resol is placed on 160 ℃ (is of a size of on the 50mm * 50mm) and makes its fusing.Constantly stir glass stick, measure to play and lift glass stick the stringy time is not set time from whole fusings; 0.13g compsn, 0.87g resol, 0.5g zinc oxide, 0.6g chromic oxide, 0.16g copper powder are mixed; At 30MPa, 150 ℃ of following insulation 15min; Be pressed into the bar-shaped sample of 36mm * 5mm, put into holding furnace then and solidify down, cool to 50 ℃ with the furnace at 195 ℃; Measure its flexural strength after taking out sample, test result is seen table 5.
It is the product of NBR-1704 that the NBR-1704 nitrile rubber adopts the Lanzhou Petrochemical Company trade mark.
Use comparative example 4
According to the method for embodiment 4 application tests, different is 0.13g compsn and the 0.87g resol that replaces embodiment 4 with 1g resol, and test result is seen table 5.
The size distribution of table 1 example composition
The application performance of table 2 embodiment 1 and comparative example 1
The application performance of table 3 embodiment 2 and comparative example 2
The application performance of table 4 embodiment 3 and comparative example 3
The application performance of table 5 embodiment 4 and comparative example 4
Claims (7)
1. lime carbonate and organic elastomer compsn is characterized in that, comprise following component by mass percent:
Lime carbonate 45%～95%
Organic elastomer particle 5～55%.
2. lime carbonate according to claim 1 and organic elastomer compsn is characterized in that, the particle diameter of said compsn is 30～200 μ m.
3. lime carbonate according to claim 1 and 2 and organic elastomer compsn is characterized in that, said lime carbonate is synthetic calcium carbonate, and its particle diameter is between 0.012～1.50 μ m.
4. according to claim 1,2 or 3 described lime carbonate and organic elastomer preparation of compositions method, it is characterized in that, comprise the steps:
(1) in calcium carbonate suspension, add latex, be incubated, obtain containing the compsn wet stock of particulate state condensation prod;
Said latex is the water dispersion of organic elastomer particle.
(2) with step (1) resulting composition wet stock drying and dehydrating, obtain said lime carbonate and organic elastomer compsn.
5. method according to claim 4 is characterized in that, in the step (1), in calcium carbonate suspension, under 45～95 ℃, adds latex, insulation 10～30min.
6. method according to claim 5 is characterized in that, the quality solid content of said calcium carbonate suspension is 6～15%, and the quality solid content of said latex is 5～55%; The consumption of calcium carbonate suspension and the consumption of latex, count with the quality of lime carbonate and organic elastomer particle:
Lime carbonate 45%～95%
Organic elastomer particle 5～55%.
7. according to each described method of claim 4～6, it is characterized in that said organic elastomer is selected from more than one in styrene-butadiene rubber(SBR), paracril, polyhutadiene, X 050, second third glue, polyisoprene rubber, the ROHM elastomerics.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103319632A (en) * | 2013-06-27 | 2013-09-25 | 中昊晨光化工研究院有限公司 | Preparation method of powder rubber |
| CN114957796A (en) * | 2022-05-24 | 2022-08-30 | 浙江天石纳米科技股份有限公司 | High-stability low-salt nano calcium carbonate slurry and application thereof in preparation of powdered nitrile butadiene rubber |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1536006A (en) * | 2003-04-03 | 2004-10-13 | �й�ʯ�ͻ����ɷ�����˾ | Composite powder, its preparation method and application |
| CN1566199A (en) * | 2003-07-02 | 2005-01-19 | 中国石油化工股份有限公司 | Toughened polypropylene composition and preparation process thereof |
| CN1611549A (en) * | 2003-10-29 | 2005-05-04 | 中国石油化工股份有限公司 | Polyamide composition and its preparing method |
| CN1663992A (en) * | 2004-11-26 | 2005-09-07 | 华南热带农业大学 | Method for preparing nano calcium carbonate/rubber composite materials |
| CN101392070A (en) * | 2008-11-06 | 2009-03-25 | 上海卓越纳米新材料股份有限公司 | Industrial preparation method of PVC processing aid |
-
2011
- 2011-08-09 CN CN201110227562A patent/CN102321281A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1536006A (en) * | 2003-04-03 | 2004-10-13 | �й�ʯ�ͻ����ɷ�����˾ | Composite powder, its preparation method and application |
| CN1566199A (en) * | 2003-07-02 | 2005-01-19 | 中国石油化工股份有限公司 | Toughened polypropylene composition and preparation process thereof |
| CN1611549A (en) * | 2003-10-29 | 2005-05-04 | 中国石油化工股份有限公司 | Polyamide composition and its preparing method |
| CN1663992A (en) * | 2004-11-26 | 2005-09-07 | 华南热带农业大学 | Method for preparing nano calcium carbonate/rubber composite materials |
| CN101392070A (en) * | 2008-11-06 | 2009-03-25 | 上海卓越纳米新材料股份有限公司 | Industrial preparation method of PVC processing aid |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103319632A (en) * | 2013-06-27 | 2013-09-25 | 中昊晨光化工研究院有限公司 | Preparation method of powder rubber |
| CN114957796A (en) * | 2022-05-24 | 2022-08-30 | 浙江天石纳米科技股份有限公司 | High-stability low-salt nano calcium carbonate slurry and application thereof in preparation of powdered nitrile butadiene rubber |
| CN114957796B (en) * | 2022-05-24 | 2023-11-21 | 浙江天石纳米科技股份有限公司 | High-stability low-salt nano calcium carbonate slurry and application thereof in preparation of powdered nitrile rubber |
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Application publication date: 20120118 |