CN105462086A - Low-odor low-VOC micro-foaming sealing rubber strip - Google Patents

Low-odor low-VOC micro-foaming sealing rubber strip Download PDF

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Publication number
CN105462086A
CN105462086A CN201610070945.XA CN201610070945A CN105462086A CN 105462086 A CN105462086 A CN 105462086A CN 201610070945 A CN201610070945 A CN 201610070945A CN 105462086 A CN105462086 A CN 105462086A
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Prior art keywords
parts
low
accelerant
voc
odor
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Granted
Application number
CN201610070945.XA
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Chinese (zh)
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CN105462086B (en
Inventor
泮海明
俞金伟
应光辉
李洪燕
徐永波
季智伟
林武江
徐建平
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Zhejiang Xiantong General Rubber & Plastic Co Ltd
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Zhejiang Xiantong General Rubber & Plastic Co Ltd
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Priority to CN201610070945.XA priority Critical patent/CN105462086B/en
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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
    • 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
    • C08J9/12—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 physical blowing agent
    • 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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—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
    • C08J2323/16—Ethene-propene or ethene-propene-diene copolymers
    • 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
    • C08J2491/00—Characterised by the use of oils, fats or waxes; Derivatives thereof
    • C08J2491/06—Waxes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/14—Applications used for foams
    • 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

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Sealing Material Composition (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention relates to the technical field of rubber producing and processing, in particular to a low-odor low-VOC micro-foaming sealing rubber strip. The low-odor low-VOC micro-foaming sealing rubber strip is prepared from, by mass, 100 parts of EPDM raw rubber, 160-180 parts of carbon black, 40-60 parts of light calcium, 70-90 parts of paraffin oil, 6-8 parts of zinc oxide, 1-2 parts of stearic acid, 1-2 parts of a surfactant PEG-4000, 8-10 parts of a moisture absorbent, 1.5-2 parts of sulphur powder, 0.5-1 part of an accelerant TMTD, 0.5-1 part of an accelerant NA-22, 1-1.5 parts of an accelerant DM, 1.5-2 parts of an accelerant ZDBC and 0-3 parts of a physical foaming agent. The low-odor low-VOC micro-foaming sealing rubber strip has the advantages that due to the fact that the physical foaming agent is added into solid rubber, holes are formed in the fracture surface, and volatilization of vulcanization residues in vulcanization is facilitated; by additionally using the paraffin oil, the volatilization quantity of the sealing strip itself is decreased, and therefore the purposes of lowering the weight of the sealing strip and improving the odor level are achieved; meanwhile, it can be guaranteed that the product has the excellent sealing property and the good handfeel in the using process, the product mass and product density are decreased, and the processing cost of manufacturers is lowered.

Description

The fretting map joint strip of the low VOC of low smell
Technical field
The present invention relates to the technical field of rubber production processing, especially relate to the fretting map joint strip of the low VOC of a kind of low smell.
Background technology
One in car door sealing strip, the elastomeric material of two road sealed strips and sealing strip of baggage cabin door, mainly be made up of the foam sponge sealed strip of EPDM rubber production and dense skeleton glue at present, be arranged on arrangements for automotive doors panel beating, press together with doorframe under closing of the door state and play the effect of sealing, mainly play door sealing, dust-proof, shockproof and noise effect, it is indispensable integral part in arrangements for automotive doors, existing one, the production of two road sealed strips and sealing strip of baggage cabin door adopts in EPDM rubber to add chemical foaming agent and carry out sponge formula that sulfur foam obtains and the obtained dense skeleton glue formula of the EPDM sulfuration of not adding whipping agent.This joint strip single-piece heavier mass, density is large, exerts a certain influence to normal use, and processing also relatively consume material, indirectly adds more pollution products, make the smell of sealed strip and VOC bigger than normal.
Summary of the invention
For the deficiency that above-mentioned prior art exists, the object of this invention is to provide a kind of amount reducing pollution products to a certain extent, what can ensure product has fabulous sealing property simultaneously in the process used, there is again good feel, alleviate the quality of product and reduce the density of product, reducing the fretting map joint strip of the low VOC of low smell of the tooling cost of producer.
For realizing above-mentioned object, the invention provides following technical scheme:
A fretting map joint strip of the low VOC of low smell, comprises the starting material of following mass fraction: EPDM rubber is 100 parts, carbon black is 160-180 part, fine particle calcium carbonate is 40-60 part, paraffin oil is 70-90 part, zinc oxide is 6-8 part, stearic acid is 1-2 part, Surfactant PEG-4000 is 1-2 part, moisture adsorbent is 8-10 part, SULPHUR POWDER is 1.5-2 part, Vulcanization accelerator TMTD is 0.5-1 part, accelerant N A-22 is 0.5-1 part, altax is 1-1.5 part, promotor ZDBC is 1.5-2 part, pneumatogen 0-3 part.
The present invention is set to further: the starting material comprising following mass fraction: EPDM rubber is 100 parts, carbon black is 170-180 part, fine particle calcium carbonate is 50-60 part, paraffin oil is 80-90 part, zinc oxide is 6-7 part, stearic acid is 1-2 part, Surfactant PEG-4000 is 1-2 part, moisture adsorbent is 9-10 part, SULPHUR POWDER is 1.8-2 part, Vulcanization accelerator TMTD is 0.8-1 part, accelerant N A-22 is 0.8-1 part, altax is 1-1.2 part, promotor ZDBC is 1.8-2 part, pneumatogen 2.2-2.5 part.
The present invention is set to further: the starting material comprising following mass fraction: EPDM rubber is 100 parts, carbon black is 180 parts, fine particle calcium carbonate is 40-50 part, paraffin oil is 70-80 part, zinc oxide is 7-8 part, stearic acid is 1.5 parts, Surfactant PEG-4000 is 2 parts, moisture adsorbent is 10 parts, SULPHUR POWDER is 1.8 parts, Vulcanization accelerator TMTD is 0.7 part, accelerant N A-22 is 1, altax is 1.2-1.5 part, promotor ZDBC is 1.5-1.8 part, pneumatogen 2.5-3 part.
The present invention is set to further: also comprising accelerant MBT is 0.3-0.5 part.
The present invention is set to further: described accelerant MBT is 0.3-0.4 part.
The present invention is set to further: also comprising whipping agent OBSH is 0.3-0.5 part.
The present invention is set to further: described whipping agent OBSH is 0.4-0.5 part.
By adopting technique scheme, the technique effect that the present invention reaches is: by adding pneumatogen in closely knit glue, make section hair engaging aperture, the volatilization of sulfuration residue when being conducive to sulfuration, add use paraffin oil, the volatile quantity of sealed strip itself reduces, thus reach reduction sealed strip weight, improve the object of oder levels and reduction VOC content, reduce the amount of pollution products to a certain extent, what can ensure product has fabulous sealing property simultaneously in the process used, there is again good feel, alleviate the quality of product and reduce the density of product, reduce the tooling cost of producer.
Embodiment
The fretting map joint strip of the low VOC of a kind of low smell disclosed by the invention, comprises the starting material of following mass fraction: EPDM rubber is 100 parts, carbon black is 160-180 part, fine particle calcium carbonate is 40-60 part, paraffin oil is 70-90 part, zinc oxide is 6-8 part, stearic acid is 1-2 part, Surfactant PEG-4000 is 1-2 part, moisture adsorbent is 8-10 part, SULPHUR POWDER is 1.5-2 part, Vulcanization accelerator TMTD is 0.5-1 part, accelerant N A-22 is 0.5-1 part, altax is 1-1.5 part, promotor ZDBC is 1.5-2 part, pneumatogen 0-3 part.Also comprise that accelerant MBT is 0.3-0.5 part, whipping agent OBSH is 0.3-0.5 part.Preferred accelerators MBT is 0.3-0.4 part, whipping agent OBSH is 0.4-0.5 part.
By suitable the reducing of raw-material for part massfraction scope, can certainly namely comprise the starting material of following mass fraction: EPDM rubber is 100 parts, carbon black is 170-180 part, fine particle calcium carbonate is 50-60 part, paraffin oil is 80-90 part, zinc oxide is 6-7 part, stearic acid is 1-2 part, Surfactant PEG-4000 is 1-2 part, moisture adsorbent is 9-10 part, SULPHUR POWDER is 1.8-2 part, Vulcanization accelerator TMTD is 0.8-1 part, accelerant N A-22 is 0.8-1 part, altax is 1-1.2 part, promotor ZDBC is 1.8-2 part, pneumatogen 2.2-2.5 part.Preferred scheme is: the starting material comprising following mass fraction: EPDM rubber is 100 parts, carbon black is 180 parts, fine particle calcium carbonate is 40-50 part, paraffin oil is 70-80 part, zinc oxide is 7-8 part, stearic acid is 1.5 parts, Surfactant PEG-4000 is 2 parts, moisture adsorbent is 10 parts, SULPHUR POWDER is 1.8 parts, Vulcanization accelerator TMTD is 0.7 part, accelerant N A-22 is 1, altax is 1.2-1.5 part, promotor ZDBC is 1.5-1.8 part, pneumatogen 2.5-3 part.
Table 1 is several embodiments of the present invention.
(in table: accelerant MBT is 2-benzothiazolyl mercaptan, Vulcanization accelerator TMTD is tetramethyl-thiuram disulfide, accelerant N A-22 is N, N-ethylene thiourea, altax is dibenzothiazyl disulfide, promotor ZDBC is zinc dibutyl dithiocarbamate, and whipping agent OBSH is 4,4-OBSH)
Above-described embodiment is only preferred embodiment of the present invention, not limits the scope of the invention according to this, therefore: all equivalence changes done according to structure of the present invention, shape, principle, all should be covered by within protection scope of the present invention.

Claims (7)

1. a fretting map joint strip of the low VOC of low smell, is characterized in that: the starting material comprising following mass fraction: EPDM rubber is 100 parts, carbon black is 160-180 part, fine particle calcium carbonate is 40-60 part, paraffin oil is 70-90 part, zinc oxide is 6-8 part, stearic acid is 1-2 part, Surfactant PEG-4000 is 1-2 part, moisture adsorbent is 8-10 part, SULPHUR POWDER is 1.5-2 part, Vulcanization accelerator TMTD is 0.5-1 part, accelerant N A-22 is 0.5-1 part, altax is 1-1.5 part, promotor ZDBC is 1.5-2 part, pneumatogen 0-3 part.
2. the fretting map joint strip of the low VOC of low smell according to claim 1, is characterized in that: the starting material comprising following mass fraction: EPDM rubber is 100 parts, carbon black is 170-180 part, fine particle calcium carbonate is 50-60 part, paraffin oil is 80-90 part, zinc oxide is 6-7 part, stearic acid is 1-2 part, Surfactant PEG-4000 is 1-2 part, moisture adsorbent is 9-10 part, SULPHUR POWDER is 1.8-2 part, Vulcanization accelerator TMTD is 0.8-1 part, accelerant N A-22 is 0.8-1 part, altax is 1-1.2 part, promotor ZDBC is 1.8-2 part, pneumatogen 2.2-2.5 part.
3. the fretting map joint strip of the low VOC of low smell according to claim 1, is characterized in that: the starting material comprising following mass fraction: EPDM rubber is 100 parts, carbon black is 180 parts, fine particle calcium carbonate is 40-50 part, paraffin oil is 70-80 part, zinc oxide is 7-8 part, stearic acid is 1.5 parts, Surfactant PEG-4000 is 2 parts, moisture adsorbent is 10 parts, SULPHUR POWDER is 1.8 parts, Vulcanization accelerator TMTD is 0.7 part, accelerant N A-22 is 1, altax is 1.2-1.5 part, promotor ZDBC is 1.5-1.8 part, pneumatogen 2.5-3 part.
4. the fretting map joint strip of the low VOC of low smell according to claim 1, is characterized in that: also comprising accelerant MBT is 0.3-0.5 part.
5. the fretting map joint strip of the low VOC of low smell according to claim 4, is characterized in that: described accelerant MBT is 0.3-0.4 part.
6. the fretting map joint strip of the low VOC of low smell according to claim 1, is characterized in that: also comprising whipping agent OBSH is 0.3-0.5 part.
7. the fretting map joint strip of the low VOC of low smell according to claim 6, is characterized in that: described whipping agent OBSH is 0.4-0.5 part.
CN201610070945.XA 2016-02-01 2016-02-01 The fretting map sealing joint strip of the low VOC of low smell Active CN105462086B (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107163415A (en) * 2017-07-03 2017-09-15 上海荣南科技有限公司 A kind of closely knit glue microporous foam sizing material of sealing strip for automobile sunroof and preparation method
CN107163416A (en) * 2017-07-03 2017-09-15 武汉宜南橡塑科技有限公司 Physical blowing agent and CBA and with apply the closely knit glue microporous foam of Foof weather strip
CN107189237A (en) * 2017-06-28 2017-09-22 湖北诺克橡塑密封科技有限公司 A kind of lightweight weather strip for automobile and its production technology
CN107418061A (en) * 2017-05-27 2017-12-01 保定威奕汽车有限公司 Door weather strip sponge foaming sizing material and its preparation method and door weather strip and its preparation method
CN108178880A (en) * 2017-12-28 2018-06-19 郑凌云 A kind of EPDM microporous foams rubber grain and preparation method thereof
CN110734610A (en) * 2019-09-30 2020-01-31 诺博橡胶制品有限公司 Micro-foaming glass wool groove sizing material and preparation method thereof, and vehicle sealing strip and preparation method thereof
CN110791025A (en) * 2019-11-07 2020-02-14 中国第一汽车股份有限公司 Healthy and environment-friendly sealing rubber strip and preparation method and application thereof
CN111234392A (en) * 2020-03-18 2020-06-05 中国第一汽车股份有限公司 Low-odor healthy and environment-friendly EPDM foamed rubber sealing strip and preparation method and application thereof
CN112250952A (en) * 2020-09-11 2021-01-22 浙江仙通橡塑股份有限公司 Odorless automobile sealing strip and preparation method thereof
CN112375305A (en) * 2020-11-12 2021-02-19 河北贵航鸿图汽车零部件有限公司 Low-odor sealing rubber strip and preparation method thereof
CN112625366A (en) * 2020-12-17 2021-04-09 河北贵航鸿图汽车零部件有限公司 Low-odor sealing strip and production process thereof
CN112659864A (en) * 2020-12-17 2021-04-16 河北贵航鸿图汽车零部件有限公司 Lightweight automobile sealing strip and production process thereof

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107418061A (en) * 2017-05-27 2017-12-01 保定威奕汽车有限公司 Door weather strip sponge foaming sizing material and its preparation method and door weather strip and its preparation method
CN107189237A (en) * 2017-06-28 2017-09-22 湖北诺克橡塑密封科技有限公司 A kind of lightweight weather strip for automobile and its production technology
CN107163415A (en) * 2017-07-03 2017-09-15 上海荣南科技有限公司 A kind of closely knit glue microporous foam sizing material of sealing strip for automobile sunroof and preparation method
CN107163416A (en) * 2017-07-03 2017-09-15 武汉宜南橡塑科技有限公司 Physical blowing agent and CBA and with apply the closely knit glue microporous foam of Foof weather strip
CN108178880A (en) * 2017-12-28 2018-06-19 郑凌云 A kind of EPDM microporous foams rubber grain and preparation method thereof
CN110734610A (en) * 2019-09-30 2020-01-31 诺博橡胶制品有限公司 Micro-foaming glass wool groove sizing material and preparation method thereof, and vehicle sealing strip and preparation method thereof
CN110791025A (en) * 2019-11-07 2020-02-14 中国第一汽车股份有限公司 Healthy and environment-friendly sealing rubber strip and preparation method and application thereof
CN111234392A (en) * 2020-03-18 2020-06-05 中国第一汽车股份有限公司 Low-odor healthy and environment-friendly EPDM foamed rubber sealing strip and preparation method and application thereof
CN112250952A (en) * 2020-09-11 2021-01-22 浙江仙通橡塑股份有限公司 Odorless automobile sealing strip and preparation method thereof
CN112375305A (en) * 2020-11-12 2021-02-19 河北贵航鸿图汽车零部件有限公司 Low-odor sealing rubber strip and preparation method thereof
CN112625366A (en) * 2020-12-17 2021-04-09 河北贵航鸿图汽车零部件有限公司 Low-odor sealing strip and production process thereof
CN112659864A (en) * 2020-12-17 2021-04-16 河北贵航鸿图汽车零部件有限公司 Lightweight automobile sealing strip and production process thereof

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