CN104804252A - High-strength NBR/PVC foaming material and preparation method thereof - Google Patents
High-strength NBR/PVC foaming material and preparation method thereof Download PDFInfo
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- CN104804252A CN104804252A CN201510212184.2A CN201510212184A CN104804252A CN 104804252 A CN104804252 A CN 104804252A CN 201510212184 A CN201510212184 A CN 201510212184A CN 104804252 A CN104804252 A CN 104804252A
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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
- C08L9/02—Copolymers with acrylonitrile
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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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
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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
- C08J2309/02—Copolymers with acrylonitrile
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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
- C08J2409/02—Copolymers with acrylonitrile
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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
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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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- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a high-strength NBR/PVC foaming material and a preparation method thereof. The high-strength NBR/PVC foaming material comprises the following raw materials in parts by weight: 20-24 parts of NBR (Nitrile-butadiene Rubber), 16-20 parts of PVC (Polyvinyl Chloride), 22-26 parts of a filler, 14-18 parts of a plasticizer, 3.6-4 parts of a foaming agent, 3.6-4.2 parts of sulfur master batch, 5-7 parts of carbon black, 0.6-1 part of zinc oxide, 0.8-1.2 parts of stearic acid, 0.8-1.2 parts of polyethylene glycol, 0.6-1.2 parts of paraffin, 0.3-0.5 part of an anti-aging agent, 0.5-0.7 part of a masticatory, 2-4 parts of a rubber tear resistant agent and 2-2.4 parts of accelerant master batch. According to the high-strength NBR/PVC foaming material and the preparation method of the high-strength NBR/PVC foaming material, the tensile strength and breaking elongation of the PVC material are improved; moreover, due to the addition of the unique accelerant master batch, the foaming agent is higher in dispersibility, sufficient plastification at low temperatures is guaranteed, the material can be stably and quickly decomposed to form uniform air holes in the calendaring process, the condition of air hole collapse is obviously improved, and the compactness and tensile strength of the foaming material are improved.
Description
Technical field
The invention belongs to chemical material field, particularly a kind of high strength NBR/PVC foam material and preparation method thereof.
Background technology
Polyvinyl chloride (PVC) has higher physical strength, good acid-proof alkaline, dielectric properties and insulating property.Compared with ordinary rubber, it also has good wear resisting property and flame retardant properties.But its shock resistance and heat-resisting, the less stable of light, especially low temperature brittleness and flexural property bad, limit its further application, paracril (NBR) then can make up above-mentioned deficiency in performance, NBR and PVC polarity is close, there is good consistency between the two, therefore NBR/PVC foam material had both had the outstanding cross-linked rubber elasticity of NBR, oil-proofness, have again the plasticity-of PVC concurrently, weathering resistance, the characteristics such as chemicals-resistant, in addition the existence of a large amount of pore and the intrinsic snappiness of elastomerics in NBR/PVC foam material, make it have density low, thermal conductivity is little, flexibility and resiliency good, the advantages such as good compression property, but the NBR/PVC foam material mechanical property of producing at present is low, tear strength is not high, Production requirement can not be met, therefore, a kind of NBR/PVC foam material with high strength is provided, it is this area problem demanding prompt solution always.
Summary of the invention
For the problems referred to above, NBR/PVC foam material providing a kind of tear strength high and preparation method thereof, the present invention is achieved in that
A kind of high strength NBR/PVC foam material, is characterized in that, comprise the raw material of following weight part: butyronitrile rubber 20-24 part, polyvinyl chloride 16-20 part, stopping composition 22-26 part, softening agent 14-18 part, whipping agent 3.6-4 part, sulphur rubber master batch 3.6-4.2 part, carbon black 5-7 part, zinc oxide 0.6-1 part, stearic acid 0.8-1.2 part, polyoxyethylene glycol 0.8-1.2 part, paraffin 0.6-1.2 part, anti-aging agent 0.3-0.5 part, masticatory 0.5-0.7 part, rubber anti tear agent 2-4 part, promotor rubber master batch 2-2.4 part.
Described sulphur rubber master batch is made up of following raw material: SULPHUR POWDER 12 parts, polyvinyl chloride 16 parts, strengthening agent 22 parts, paracril 18 parts, stearic acid 1.5 parts, polyoxyethylene glycol 1.5 parts, 1 part, paraffin, 14 parts, softening agent;
Described promotor rubber master batch is made up of following raw material: promotor ZDMC 10 parts, polyvinyl chloride 10 parts, strengthening agent 10 parts, paracril 16 parts, stearic acid 1.8 parts, polyoxyethylene glycol 1.8 parts, 1.5 parts, paraffin, 16 parts, softening agent.
Preferably, in the present invention, described paracril is 8052.
Preferably, in the present invention, described polyvinyl chloride is p-450.
Preferably, in the present invention, described whipping agent is mixed with mass ratio 2.3:1 with blowing agent AC P-W by blowing agent AC-6000.
Preferably, in the present invention, described softening agent is clorafin.
Preferably, in the present invention, described stopping composition is RB-500.
Preferably, in the present invention, described anti-aging agent is 2246, and described masticatory is FS-12.
A kind of high strength NBR/PVC foam material preparation method of the present invention, comprises the following steps:
A) prepare sulphur rubber master batch, dropped into by each raw material in Banbury mixer plasticizing in proportion, 120 DEG C of plasticizing 10min, namely obtain sulphur rubber master batch; B) prepare promotor rubber master batch, dropped into by each raw material in Banbury mixer plasticizing in proportion, 110 DEG C of plasticizing 8min, namely obtain promotor rubber master batch;
C) in proportion each raw material except promotor rubber master batch is added sealing rubber mixing machine, feed temperature is 30-60 DEG C, plays refining to discharging when 95 DEG C; After the sizing material of acquisition and promotor rubber master batch are together added the mixing 200s of opening rubber mixing machine, then sizing material is dropped into forcing machine extrusion foaming, namely obtain high strength NBR/PVC foam material.
Compared with prior art, the present invention is by the further optimization to the formula of foam material, improve tensile strength and the elongation at break of PVC material, adding of simultaneously unique promotor rubber master batch, make whipping agent dispersed better, plasticate fully under ensureing cold condition, enable to be decomposed to form uniform pore smoothly and faster in calender line, the situation that pore is subsided significantly improves, improve compactness and the tensile strength of foam material, the interpolation of accelerant A C-6000 stablizes air hole structure again further; In addition the adding of sulphur rubber master batch, improve the dispersing property of rubber, increase yield rate, reducing foaming, pit etc. in prior art affects the generation of the phenomenon of product appearance.
Embodiment
Embodiment 1 prepares sulphur rubber master batch
With parts by weight, by following raw materials according:
SULPHUR POWDER 12 parts, polyvinyl chloride p-450 is 16 parts, strengthening agent 22 parts, and paracril 8052 is 18 parts, stearic acid 1.5 parts, polyoxyethylene glycol 1.5 parts, 1 part, paraffin, softening agent clorafin 14 parts;
Add successively in Banbury mixer, with 120 DEG C of plasticizing 10min, namely obtain sulphur rubber master batch.
Embodiment 2 prepares promotor rubber master batch
With parts by weight, by following raw materials according:
Promotor (ZDMC/PZ) 10 parts, polyvinyl chloride p-450 is 10 parts, strengthening agent 10 parts, and paracril 8052 is 16 parts, stearic acid 1.8 parts, polyoxyethylene glycol 1.8 parts, 1.5 parts, paraffin, softening agent clorafin 16 parts;
Add successively in Banbury mixer, with 110 DEG C of plasticizing 8min, namely obtain promotor rubber master batch.
Embodiment 3-5 high strength NBR/PVC foam material
With parts by weight, in embodiment 3-5, each proportioning raw materials is as shown in table 1
Table 1 embodiment 3-5 high strength NBR/PVC foam material proportioning raw materials
In embodiment 3-5, whipping agent is mixed with mass ratio 2.3:1 with blowing agent AC P-W by blowing agent AC-6000;
| Raw material | Embodiment 3 | Embodiment 4 | Implement 5 |
| Paracril 8052 | 20 parts | 24 parts | 22 parts |
| Polyvinyl chloride p-450 | 16 parts | 18 parts | 20 parts |
| Stopping composition RB-510 | 26 parts | 34 parts | 22 parts |
| Softening agent clorafin | 16 parts | 14 parts | 18 parts |
| Whipping agent | 3.8 part | 4 parts | 3.6 part |
| The sulphur rubber master batch that embodiment 1 obtains | 3.6 part | 4 parts | 4.2 part |
| Carbon black N550 | 6 parts | 7 parts | 5 parts |
| Zinc oxide | 0.6 part | 1 part | 0.9 part |
| Stearic acid | 1 part | 1.2 part | 0.8 part |
| Polyoxyethylene glycol | 1.2 part | 1 part | 0.8 part |
| Paraffin | 0.8 part | 1.2 part | 0.6 part |
| Antioxidant 2246 | 0.3 part | 0.5 part | 0.3 part |
| Masticatory FS-12 | 0.6 part | 0.7 part | 0.5 part |
| Rubber anti tear agent H801 | 3 parts | 4 parts | 2 parts |
| The promotor rubber master batch that embodiment 2 obtains | 1.6 part | 2 parts | 1.8 part |
Production technique:
(1) fed intake successively by each raw material (except promotor rubber master batch) in proportion in sealing rubber mixing machine, feed temperature is 30-60 DEG C, and sealing plays refining to discharging when 95 DEG C;
(2) sizing material step 1 obtained adds in opening rubber mixing machine immediately, and add after promotor rubber master batch carries out mixing 200s is that blanking is hacked simultaneously;
(3) after sizing material cooling step 2 obtained, drop into extrusion foaming in forcing machine, extruder temperature is 35 DEG C, the curing temperature of foaming furnace be successively first segment 150 DEG C, second section 155 DEG C, Section 3 165 DEG C, Section 4 175 DEG C, Section 5 185 DEG C, Section 6 190 DEG C, foamed product is high strength NBR/PVC foam material.
Carry out Performance Detection to the high strength NBR/PVC foam material that embodiment 3-5 obtains according to standard GB/T/T 8814-1998, result is as shown in table 2:
Table 2 embodiment 3-5 high strength NBR/PVC foaming material performance detects
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. a high strength NBR/PVC foam material, is characterized in that, comprises the raw material of following weight part:
Butyronitrile rubber 20-24 part, polyvinyl chloride 16-20 part, stopping composition 22-26 part, softening agent 14-18 part, whipping agent 3.6-4 part, sulphur rubber master batch 3.6-4.2 part, carbon black 5-7 part, zinc oxide 0.6-1 part, stearic acid 0.8-1.2 part, polyoxyethylene glycol 0.8-1.2 part, paraffin 0.6-1.2 part, anti-aging agent 0.3-0.5 part, masticatory 0.5-0.7 part, rubber anti tear agent 2-4 part, promotor rubber master batch 2-2.4 part;
Described sulphur rubber master batch is made up of following raw material: SULPHUR POWDER 12 parts, polyvinyl chloride 16 parts, strengthening agent 22 parts, paracril 18 parts, stearic acid 1.5 parts, polyoxyethylene glycol 1.5 parts, 1 part, paraffin, 14 parts, softening agent;
Described promotor rubber master batch is made up of following raw material: promotor ZDMC 10 parts, polyvinyl chloride 10 parts, strengthening agent 10 parts, paracril 16 parts, stearic acid 1.8 parts, polyoxyethylene glycol 1.8 parts, 1.5 parts, paraffin, 16 parts, softening agent.
2. high strength NBR/PVC foam material according to claim 1, is characterized in that, described whipping agent is mixed with mass ratio 2.3:1 with blowing agent AC P-W by blowing agent AC-6000.
3. high strength NBR/PVC foam material according to claim 2, it is characterized in that, described paracril is 8052, and described polyvinyl chloride is p-450.
4. high strength NBR/PVC foam material according to claim 3, it is characterized in that, described softening agent is clorafin.
5. high strength NBR/PVC foam material according to claim 3, it is characterized in that, described stopping composition is RB-500.
6. high strength NBR/PVC foam material according to claim 3, it is characterized in that, described anti-aging agent is 2246, and described masticatory is FS-12.
7. a high strength NBR/PVC foam material preparation method as described in one of claim 1-6, comprises the following steps:
A () prepares sulphur rubber master batch, dropped into by each raw material in Banbury mixer plasticizing in proportion, 120 DEG C of plasticizing 10min, obtain sulphur rubber master batch;
B () prepares promotor rubber master batch, dropped into by each raw material in Banbury mixer plasticizing in proportion, 110 DEG C of plasticizing 8min, obtain promotor rubber master batch;
C each raw material except promotor rubber master batch is added sealing rubber mixing machine by () in proportion, feed temperature is 30-60 DEG C, plays refining to discharging when 95 DEG C; After the sizing material of acquisition and promotor rubber master batch are together added the mixing 200s of opening rubber mixing machine, then sizing material is dropped into forcing machine extrusion foaming, namely obtain high strength NBR/PVC foam material.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105542341A (en) * | 2016-01-20 | 2016-05-04 | 苏州市景荣科技有限公司 | Deodorant anti-microbial PVC sole material and preparation method thereof |
| CN105646965A (en) * | 2016-01-20 | 2016-06-08 | 苏州市景荣科技有限公司 | High-elastic, high-toughness and environment-friendly rubber sole material and preparing method thereof |
| CN106009107A (en) * | 2016-06-27 | 2016-10-12 | 南京万和消防科技有限公司 | Foaming pipe and preparation technology thereof |
| CN106883475A (en) * | 2016-12-26 | 2017-06-23 | 万力轮胎股份有限公司 | A kind of rubber preparation method and rubber |
| CN108424660A (en) * | 2018-04-13 | 2018-08-21 | 华美节能科技集团有限公司 | Without dioctyl phthalate rubber-plastic insulating thermal insulation material and preparation method thereof |
| CN110857352A (en) * | 2018-08-06 | 2020-03-03 | 蔡晨灿 | Modified NBR/PVC aerogel material and application thereof in warm-keeping and damp-proof clothes |
| CN111004422A (en) * | 2019-12-16 | 2020-04-14 | 江苏冠联新材料科技股份有限公司 | NBR (nitrile-butadiene rubber) sizing material for continuous extrusion foaming |
| CN111533970A (en) * | 2020-06-28 | 2020-08-14 | 神州节能科技集团有限公司 | Mildew-proof antibacterial rubber and plastic product and preparation method thereof |
| CN114058094A (en) * | 2020-07-31 | 2022-02-18 | 中国石油化工股份有限公司 | Foaming material composition, foaming material and preparation method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105542341A (en) * | 2016-01-20 | 2016-05-04 | 苏州市景荣科技有限公司 | Deodorant anti-microbial PVC sole material and preparation method thereof |
| CN105646965A (en) * | 2016-01-20 | 2016-06-08 | 苏州市景荣科技有限公司 | High-elastic, high-toughness and environment-friendly rubber sole material and preparing method thereof |
| CN106009107A (en) * | 2016-06-27 | 2016-10-12 | 南京万和消防科技有限公司 | Foaming pipe and preparation technology thereof |
| CN106009107B (en) * | 2016-06-27 | 2017-12-01 | 南京万和消防科技有限公司 | A kind of foaming tube and its preparation technology |
| CN106883475A (en) * | 2016-12-26 | 2017-06-23 | 万力轮胎股份有限公司 | A kind of rubber preparation method and rubber |
| CN108424660A (en) * | 2018-04-13 | 2018-08-21 | 华美节能科技集团有限公司 | Without dioctyl phthalate rubber-plastic insulating thermal insulation material and preparation method thereof |
| CN110857352A (en) * | 2018-08-06 | 2020-03-03 | 蔡晨灿 | Modified NBR/PVC aerogel material and application thereof in warm-keeping and damp-proof clothes |
| CN111004422A (en) * | 2019-12-16 | 2020-04-14 | 江苏冠联新材料科技股份有限公司 | NBR (nitrile-butadiene rubber) sizing material for continuous extrusion foaming |
| CN111533970A (en) * | 2020-06-28 | 2020-08-14 | 神州节能科技集团有限公司 | Mildew-proof antibacterial rubber and plastic product and preparation method thereof |
| CN111533970B (en) * | 2020-06-28 | 2022-03-11 | 神州节能科技集团有限公司 | Mildew-proof antibacterial rubber and plastic product and preparation method thereof |
| CN114058094A (en) * | 2020-07-31 | 2022-02-18 | 中国石油化工股份有限公司 | Foaming material composition, foaming material and preparation method thereof |
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Application publication date: 20150729 |