CN101987889A - Rubber and plastic alloy material - Google Patents

Rubber and plastic alloy material Download PDF

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Publication number
CN101987889A
CN101987889A CN2009100751052A CN200910075105A CN101987889A CN 101987889 A CN101987889 A CN 101987889A CN 2009100751052 A CN2009100751052 A CN 2009100751052A CN 200910075105 A CN200910075105 A CN 200910075105A CN 101987889 A CN101987889 A CN 101987889A
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rubber
alloy material
plastic alloy
resistance
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焦玉怀
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Abstract

The invention discloses a rubber and plastic alloy material. The rubber and plastic alloy material comprises the following raw materials in part by weight: 70 parts of nitrile rubber, 30 parts of polyvinyl chloride, 0.5 to 1.2 parts of sulfur, 1.5 to 3 parts of stearic acid, 0 to 15 parts of zinc oxide, 0 to 3 parts of magnesium oxide, 0 to 0.8 part of promoter M, 10 to 20 parts of dibutyl phthalate (A plasticizer DBP for short), 0 to 3 parts of dicumyl peroxide (a vulcanizing agent DOP for short) and 0 to 25 parts of N774 carbon black. The material has more excellent high temperature resistance, low temperature resistance, crack resistance, ozone resistance, ageing resistance and deformation resistance, can be used for manufacturing various seal products, such as seal strips, rubber rollers, convey belts, shoes and the like, and is more suitable for manufacturing sealing elements of hydraulic systems and space equipment due to more excellent mechanical properties.

Description

A kind of rubber and plastic alloy material
Technical field
The present invention relates to the rubber and plastic alloy material, especially have the rubber and plastic alloy material of heat resistant oils, performance such as wear-resisting, ageing-resistant.
Background technology
The rubber and plastic alloy material be a kind of be main base material with paracril, add the material that the part polyvinyl chloride carries out effective modification.From macromolecular material research angle, by of the sealing of polyvinyl chloride (PVC) macromole to two keys on paracril (NBR) long-chain, can give rubber and plastic alloy a series of superior characteristic, make it have the performance of good Hou Laohua, heat-proof aging and anti-ozonize in anti-day.Therefore, the rubber and plastic alloy material is used for making various sealing articles more.As sealed strip, rubber roll, conveying belt, sole or the like.Along with the development of modern hydraulic pressure and aeronautical technology, people are more and more higher to performance requriementss such as high temperature resistant, low temperature resistant, the cracking resistance of various sealing articles, anti-ozone, anti-aging, resistance to deformations, and people's expectation has more that the rubber and plastic alloy material of premium properties comes out.
Summary of the invention
Purpose of the present invention is exactly the rubber and plastic alloy material that a kind of excellent property will be provided, and it has performances such as better high temperature resistant, low temperature resistant, cracking resistance, anti-ozone, anti-aging, resistance to deformation.
The object of the present invention is achieved like this:
Rubber and plastic alloy material provided by the present invention comprises the raw material of following weight part ratio:
70 parts of paracrils, 30 parts of polyvinyl chloride, 0.5～1.2 part in sulphur, 1.5～3 parts of stearic acid, 0～15 part in zinc oxide, 0～3 part in magnesium oxide, 0～0.8 part of captax, 10～20 parts of dibutyl phthalates (abbreviation Plasticizer DBP), 0～3 part of dicumyl peroxide (being called for short vulcanizing agent DOP), 0～25 part of N774 carbon black.
In order further to improve the heat-resisting and resistance to deterioration of rubber and plastic alloy material, the preferred composition of raw materials of the present invention is:
70 parts of paracrils, 30 parts of polyvinyl chloride, 0.5 part in sulphur, 3 parts of stearic acid, 2 parts in zinc oxide, 2 parts in magnesium oxide, 10 parts of dibutyl phthalates, 3 parts of dicumyl peroxides.
In order further to improve the heat resistant oils and the wear resistance of rubber and plastic alloy material, the preferred composition of raw materials of the present invention is:
At this prescription (70 parts of paracrils, 30 parts of polyvinyl chloride, 0.5～1.2 part in sulphur, 1.5～3 parts of stearic acid, 0～15 part in zinc oxide, 0～3 part in magnesium oxide, 0～0.8 part of captax, 10～20 parts of Plasticizer DBP, vulcanizing agent DOP0～3 part) on the basis, increase the raw material of following weight part ratio:
1.5 parts in anti-aging agent, 1.5 parts of stablizer NDBC, 0.5 part of TM monex TD, 0～0.5 part of altax, 25～50 parts of N774 carbon blacks, 0～40 part of N330 carbon black, 15 parts of white carbon blacks, 5 parts of molybdenumdisulphide.
Preferred composition of raw materials is:
70 parts of paracrils, 30 parts of polyvinyl chloride, 1.2 parts in sulphur, 0.8 part of captax, 0.5 part of TM monex TD, 1.5 parts of stearic acid, 1.5 parts of antioxidant Ds, 1.5 parts of stablizer NDBC, 0.5 part of altax, 25 parts of N774 carbon blacks, 40 parts of N330 carbon blacks, 15 parts of white carbon blacks, 5 parts in zinc oxide, 5 parts of molybdenumdisulphide, 20 parts of dibutyl phthalates.
In order further to improve the heat resistant oils and the non-deformability of rubber and plastic alloy material, the preferred composition of raw materials of the present invention is:
70 parts of paracrils, 30 parts of polyvinyl chloride, 0.5～1.2 part in sulphur, 1.5～3 parts of stearic acid, 0～15 part in zinc oxide, 0～3 part in magnesium oxide, 0～0.8 part of captax, 10～20 parts of Plasticizer DBP, 0～3 part of dicumyl peroxide, 0～25 part of N774 carbon black; 1.5 parts in anti-aging agent, 1.5 parts of stablizer NDBC, 0.5 part of TM monex TD, 0～0.5 part of altax, 25～50 parts of N774 carbon blacks, 0～40 part of N330 carbon black, 15 parts of white carbon blacks, 5 parts of molybdenumdisulphide; 5 parts of epichlorohydrin rubbers, accelerant C E2.5 part.
Preferred composition of raw materials is:
70 parts of paracrils, 30 parts of polyvinyl chloride, 5 parts of epichlorohydrin rubbers, 0.5 part in sulphur, 2.5 parts of accelerant C E, 2 parts of TM monex TD, 3 parts in magnesium oxide, 2 parts in zinc oxide, 2 parts of stearic acid, 1.5 parts of antioxidant Ds, 1.5 parts of stablizer NDBC, 50 parts of N774 carbon blacks, 30 parts of white carbon blacks, 10 parts of dibutyl phthalates.
The present invention and existing common rubber and plastic alloy material compared have performances such as more significant high temperature resistant, low temperature resistant, cracking resistance, anti-ozone, anti-aging, resistance to deformation.
Material of the present invention can be used for making various sealing articles, as sealed strip, rubber roll, conveying belt, footwear industry etc.Because it has better mechanical property, therefore be more suitable for making hydraulic efficiency system and the used sealing member of space equipment.
Beneficial effect of the present invention has obtained checking by following test contrast.
Below by specific embodiment, and the made rubber and plastic alloy material of embodiment and common rubber and plastic alloy material compared further specify the present invention.
Embodiment 1
(1) material prescription:
Paracril (being called for short NBR) 70kg, polyvinyl chloride (select suspension method PVC for use, be called for short SPVC) 30kg, sulphur 0.5kg, stearic acid 3kg, zinc oxide 2kg, magnesium oxide 2kg, Plasticizer DBP 10kg, vulcanizing agent DOP 3kg.
(2) pre-swelling:, make it abundant swelling with SPVC heated and stirred in stirrer.Discharge during material temperature rise to 70～80 ℃.
(3) plasticizing
Will be through SPVC thin-pass plasticizing in the high temperature mill of pre-swelling, the resin film forming is crossed roller, rule, after roller, rule, repeats this thin-pass process to sizing material homogeneous transparent and gets final product.Plasticization temperature is advisable for 150～160 ℃ with the roller surface temperature; Thin-pass 5～number of times.
(4) blend
In high temperature mill (the roller temperature is 150～160 ℃), to smash a side through plastifying SPVC to roller, opposite side adds NBR, powdery Synergist S-421 95, softening agent, the bag roller after with NBR and SPVC " eight cutter ", smash to cut and mix, when the sizing material temperature reaches 160～165 ℃ of binder removals, thin-pass for several times, amplify sheet under the roll spacing, packing.
(5) cooling immediately behind the even sheet down that is mixed.
Embodiment 2
Material prescription:
Paracril 70kg, polyvinyl chloride (select for use to stick with paste and use PVC, be called for short PPVC) 30kg, sulphur 1.2kg, captax 0.8kg, TM monex TD 0.5kg, stearic acid 1.5kg, antioxidant D 1.5kg, stablizer NDBC 1.5kg, altax 0.5kg, N774 carbon black 25kg, N330 carbon black 40kg, white carbon black 15kg, zinc oxide 5kg, molybdenumdisulphide 5kg, Plasticizer DBP 20kg.
Preparation method: with PPVC swelling and add stablizer in softening agent, after stirring, park 12h, make the abundant swelling of PPVC standby; The Banbury mixer rotating speed be 30～40rmin～, blending temperature is controlled at (with steam or chilled water modulation) in 160～170 ℃ of scopes, the blend time is 5～7min.NBR/PPVC blend, order of addition(of ingredients) are NBR-PPVC and stablizer-Synergist S-421 95, softening agent, mix the back and play the triangle bag, and following sheet cools off, and parks standby.
These prescription goods have better oil resistant, wear resistance.
Embodiment 3
Material prescription:
Paracril 70kg, polyvinyl chloride 30kg, epichlorohydrin rubber 5kg, sulphur 0.5kg, accelerant C E 2.5kg, TM monex TD 2kg, magnesium oxide 3kg, zinc oxide 2kg, stearic acid 2kg, antioxidant D 1.5kg, stablizer NDBC 1.5kg, carbon black N774 50kg, white carbon black 30kg, Plasticizer DBP 10kg.
The preparation method: in mill, NBR and PPVC are made blend under the normal temperature, then in usual terms down and other Synergist S-421 95 mixing;
These prescription goods keep the qualitative value height of section form for a long time, have better non-deformability.
Comparative Examples 1 (common rubber and plastic alloy material)
Prescription:
NBR 70kg, PPVC 30kg, carbon black N774 75kg, zinc oxide 5kg, stearic acid 1kg, plasticizer DOP 20kg, Sulfur 1.5kg, captax 1kg, TM monex TM 0.25kg;
The preparation method:
The Banbury mixer rotating speed be 30～40rmin～, blending temperature is controlled at (with steam or chilled water modulation) in 160～170 ℃ of scopes, the blend time is 5～7min.The NBR/PPVC blend, order of addition(of ingredients) is NBR-PPVC-Synergist S-421 95, softening agent, mixes the back and plays the triangle bag, following sheet, cooling is parked standby.
Comparative test result sees table 1 for details:
Table 1
Figure B2009100751052D0000041
In above-mentioned contrast test, tensile strength, tensile yield adopt the test of ASTMD-412 method, and hardness adopts the test of ASTMD-2240 method, scrag test condition 1# standard oil/100 ℃/70h.
Above-mentioned experiment shows, rubber and plastic alloy rubber provided by the invention has the performance of better oil resistant, ageing-resistant, wear-resisting, heatproof, anti-cracking resistance.

Claims (6)

1. rubber and plastic alloy material is characterized in that it comprises raw material by following weight part ratio:
70 parts of paracrils, 30 parts of polyvinyl chloride, 0.5～1.2 part in sulphur, 1.5～3 parts of stearic acid, 0～15 part in zinc oxide, 0～3 part in magnesium oxide, 0～0.8 part of captax, 10～20 parts of dibutyl phthalates, 0～3 part of dicumyl peroxide, 0～25 part of N774 carbon black.
2. rubber and plastic alloy material according to claim 1, it is characterized in that it also comprises the raw material of following weight part ratio: 1.5 parts in anti-aging agent, 1.5 parts of stablizer NDBC, 0.5 part of TM monex TD, 0～0.5 part of altax, 25～50 parts of N774 carbon blacks, 0～40 part of N330 carbon black, 15 parts of white carbon blacks, 5 parts of molybdenumdisulphide.
3. rubber and plastic alloy material according to claim 2 is characterized in that it also comprises the raw material of following weight part ratio: 5 parts of epichlorohydrin rubbers, 2.5 parts of accelerant C E.
4. rubber and plastic alloy material according to claim 1 is characterized in that it also comprises the raw material of following weight part ratio:
70 parts of paracrils, 30 parts of polyvinyl chloride, 0.5 part in sulphur, 3 parts of stearic acid, 2 parts in zinc oxide, 2 parts in magnesium oxide, 10 parts of dibutyl phthalates, 3 parts of dicumyl peroxides.
5. rubber and plastic alloy material according to claim 2 is characterized in that it comprises the raw material of following weight part ratio:
70 parts of paracrils, 30 parts of polyvinyl chloride, 1.2 parts in sulphur, 0.8 part of captax, 0.5 part of TM monex TD, 1.5 parts of stearic acid, 1.5 parts of antioxidant Ds, 1.5 parts of stablizer NDBC, 0.5 part of altax, 25 parts of N774 carbon blacks, 40 parts of N330 carbon blacks, 15 parts of white carbon blacks, 5 parts in zinc oxide, 5 parts of molybdenumdisulphide, 20 parts of dibutyl phthalates.
6. rubber and plastic alloy material according to claim 3 is characterized in that it comprises the raw material of following weight part ratio:
70 parts of paracrils, 30 parts of polyvinyl chloride, 5 parts of epichlorohydrin rubbers, 0.5 part in sulphur, 2.5 parts of accelerant C E, 2 parts of TM monex TD, 3 parts in magnesium oxide, 2 parts in zinc oxide, 2 parts of stearic acid, 1.5 parts of antioxidant Ds, 1.5 parts of stablizer NDBC, 50 parts of N774 carbon blacks, 30 parts of white carbon blacks, 10 parts of dibutyl phthalates.
CN2009100751052A 2009-08-07 2009-08-07 Rubber and plastic alloy material Pending CN101987889A (en)

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CN107189133A (en) * 2017-07-12 2017-09-22 宁国市天瑞橡塑零部件有限公司 A kind of y-type seal ring and its production technology
CN107266738A (en) * 2017-07-27 2017-10-20 太仓冠联高分子材料有限公司 A kind of acid and alkali-resistance printing rubber roll glue
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CN108250510A (en) * 2017-12-26 2018-07-06 瑞立集团瑞安汽车零部件有限公司 A kind of high-speed railway rail seal ball-valve of resistance to extremely low temperature rubber and preparation method thereof
CN110305378A (en) * 2019-07-09 2019-10-08 赵祖胜 A kind of nitrile rubber and preparation method thereof that ozone resistance is excellent
CN110483856A (en) * 2019-08-29 2019-11-22 芜湖集拓橡胶技术有限公司 A kind of short vulcanization nitrile rubber formula
CN110643089A (en) * 2019-09-27 2020-01-03 江苏冠联新材料科技股份有限公司 NBR (nitrile-butadiene rubber) rubber compound for flame-retardant wear-resistant conveyor belt covering layer and preparation method thereof
CN112063026A (en) * 2020-08-19 2020-12-11 江门市天择精密橡胶制品有限公司 Rubber-plastic alloy material, rubber sleeve and preparation method thereof
CN113861529A (en) * 2021-11-11 2021-12-31 陕西省石油化工研究设计院 Ethanol-resistant gasoline composite rubber material and preparation method thereof
CN113896963A (en) * 2021-11-25 2022-01-07 南阳天一密封股份有限公司 Rubber sealing material for mixed fuel bearing system and preparation process thereof
CN117362778A (en) * 2023-10-27 2024-01-09 山西泰宝科技有限公司 Sealing ring rubber compound special for hydraulic system and preparation method thereof

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Application publication date: 20110323