CN109206686A - 一种丁腈橡胶-金属复合密封材料及其制备方法 - Google Patents
一种丁腈橡胶-金属复合密封材料及其制备方法 Download PDFInfo
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- 239000003566 sealing material Substances 0.000 title claims abstract description 32
- 239000002905 metal composite material Substances 0.000 title claims abstract description 27
- 150000002825 nitriles Chemical class 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 6
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 27
- 229920000459 Nitrile rubber Polymers 0.000 claims abstract description 26
- 239000004088 foaming agent Substances 0.000 claims abstract description 22
- 239000004014 plasticizer Substances 0.000 claims abstract description 20
- 239000012744 reinforcing agent Substances 0.000 claims abstract description 13
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims abstract description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 10
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims abstract description 10
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229920001971 elastomer Polymers 0.000 claims abstract description 9
- 229920001568 phenolic resin Polymers 0.000 claims abstract description 9
- 239000005011 phenolic resin Substances 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 7
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- 238000000034 method Methods 0.000 claims abstract description 5
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 3
- 239000002184 metal Substances 0.000 claims description 27
- 229910052751 metal Inorganic materials 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 20
- 238000004513 sizing Methods 0.000 claims description 18
- 238000007664 blowing Methods 0.000 claims description 15
- 230000003712 anti-aging effect Effects 0.000 claims description 14
- 239000006229 carbon black Substances 0.000 claims description 14
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 9
- 238000003618 dip coating Methods 0.000 claims description 8
- -1 ketone amines Chemical class 0.000 claims description 7
- 239000004568 cement Substances 0.000 claims description 6
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- 229910052717 sulfur Inorganic materials 0.000 claims description 6
- 239000011593 sulfur Substances 0.000 claims description 6
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- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 claims description 5
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- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 4
- JKOQSPFFJVEWCO-UHFFFAOYSA-N 4-cyclohexyl-1,3-benzothiazole-2-sulfonamide Chemical compound C1=CC=C2SC(S(=O)(=O)N)=NC2=C1C1CCCCC1 JKOQSPFFJVEWCO-UHFFFAOYSA-N 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 235000021355 Stearic acid Nutrition 0.000 description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 4
- 239000004202 carbamide Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- AFZSMODLJJCVPP-UHFFFAOYSA-N dibenzothiazol-2-yl disulfide Chemical compound C1=CC=C2SC(SSC=3SC4=CC=CC=C4N=3)=NC2=C1 AFZSMODLJJCVPP-UHFFFAOYSA-N 0.000 description 4
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 4
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 239000008117 stearic acid Substances 0.000 description 4
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 description 4
- 239000005864 Sulphur Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 210000000497 foam cell Anatomy 0.000 description 3
- 239000002939 oilproofing Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000000565 sealant Substances 0.000 description 3
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004078 waterproofing Methods 0.000 description 3
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- VJRITMATACIYAF-UHFFFAOYSA-N benzenesulfonohydrazide Chemical compound NNS(=O)(=O)C1=CC=CC=C1 VJRITMATACIYAF-UHFFFAOYSA-N 0.000 description 2
- 239000010721 machine oil Substances 0.000 description 2
- SUDKDSWHVLJFHP-UHFFFAOYSA-N C(=O)N.C(=O)N.[N] Chemical compound C(=O)N.C(=O)N.[N] SUDKDSWHVLJFHP-UHFFFAOYSA-N 0.000 description 1
- UTGQNNCQYDRXCH-UHFFFAOYSA-N N,N'-diphenyl-1,4-phenylenediamine Chemical compound C=1C=C(NC=2C=CC=CC=2)C=CC=1NC1=CC=CC=C1 UTGQNNCQYDRXCH-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229940124530 sulfonamide Drugs 0.000 description 1
- 150000003456 sulfonamides Chemical class 0.000 description 1
- 229960002447 thiram Drugs 0.000 description 1
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- 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
- C08J9/104—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof
- C08J9/105—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof containing sulfur
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
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- C08J9/0066—Use of inorganic compounding ingredients
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0095—Mixtures of at least two compounding ingredients belonging to different one-dot groups
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- 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
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- C08J9/103—Azodicarbonamide
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Abstract
本发明公开了一种丁腈橡胶‑金属复合密封材料及其制备方法。其配方中原料质量份数分别为:丁腈橡胶100份,乙酸丁酯300~700份,补强剂30~50份,防老剂3~5份,促进剂1~3份,硫化剂1~8份,增塑剂3~15份,发泡剂3~15份,发泡助剂5~10份。与目前国内常见的密封材料相比,本发明中所提供的丁腈橡胶‑金属复合密封材料,在配方中加入了白炭黑、酚醛树脂等补强剂,因其优越的稳定性与补强性,使橡胶密封材料具有高强度,高耐磨等特点,能够有效地增强其物理机械性能。原料成本低廉,发泡工艺简单,密封材料与底板间黏结牢固,便于大规模生产,将其实现产业化,可以有力的冲击国外企业在该领域的垄断,具有广阔的市场前景。
Description
技术领域
本发明属于密封材料技术领域,特别涉及一种丁腈橡胶-金属复合密封材料及其制备方法。
背景技术
丁腈橡胶具有优良的耐油性、耐磨性、气密性,因其物理机械性能良好的特点,丁腈橡胶常被应用于各类耐油模压制品中。
与传统的密封材料相比,本专利申请所提供的丁腈橡胶-金属复合密封材料,在配方中加入了白炭黑、酚醛树脂等填料,因其优越的稳定性与补强性,使橡胶密封材料具有高强度,高耐磨等特点,可以有效地增强其物理机械性能。目前,日本、美国在丁腈橡胶-金属密封材料领域的发展领先于我国。因此,制备出一种高强度丁腈橡胶-金属复合密封材料,并将其实现产业化,可以有力的冲击国外企业在该领域的垄断,并具有广阔的市场前景。
发明内容
本发明的目的是提供一种丁腈橡胶-金属复合密封材料及其制备方法。
一种丁腈橡胶-金属复合密封材料,其配方中原料质量份数分别为:丁腈橡胶100份,乙酸丁酯300~700份,补强剂30~50份,防老剂3~5份,促进剂1~3份,硫化剂1~8份,增塑剂3~15份,发泡剂3~15份,发泡助剂5~10份。
所述补强剂是但不限于炭黑、白炭黑、酚醛树脂、氧化锌和聚氯乙烯树脂中的一种或多种。
所述防老剂是但不限于胺类防老剂、酮胺类防老剂和对苯二胺类防老剂中的一种或多种。
所述促进剂是但不限于秋兰姆类促进剂、噻唑类促进剂、黄原酸盐类促进剂和次磺酰胺类促进剂中的一种或多种。
所述硫化剂是但不限于有机过氧化物、不溶性硫磺中、胺类化合物和树脂硫化剂中的一种或多种。
所述增塑剂是但不限于邻苯二甲酸酯类增塑剂、脂肪酸酯类增塑剂和环氧酯类增塑剂中的一种或多种。
所述发泡剂是但不限于有机发泡剂、无机发泡剂和微球发泡剂中的一种或多种。
所述发泡助剂是但不限于尿素类发泡助剂、磷酸酯类发泡助剂和有机酸类发泡助剂中的一种或多种。
制备上述丁腈橡胶-金属复合密封材料的具体步骤为:
(1) 将丁腈橡胶与乙酸丁酯按配方中的比例共混持续搅拌,待丁腈橡胶全部溶解后,将所得胶浆与配方中的补强剂、防老剂、促进剂、硫化剂、增塑剂一起装入球磨罐,在行星式球磨机中研磨8小时,所得产物取出后置于容器中,加入配方中的发泡剂和发泡助剂持续搅拌,充分混合,制得胶料。
(2) 分别用丙酮、乙醇擦拭金属板,清洗掉其表面的灰尘和污渍,待金属板晾干后,在其表面浸涂底涂凯姆洛克胶,并于烘箱中120℃下处理10分钟,获得备用金属板。
(3) 将步骤(1)制得的胶料涂覆于步骤(2)获得的备用金属板上,待胶料完全晾干后,放入烘箱中在130~190℃下硫化20~45min,完成自由发泡,即制得丁腈橡胶-金属复合密封材料。
所述金属板是但不限于冷轧板和不锈钢板中的一种。
所述涂覆的方法是但不限于喷涂、淋涂、滚涂和浸涂中的一种或多种。
与目前国内的技术相比,本发明中所使用的原料成本低廉,自由发泡工艺简单,便于大规模生产,加入白炭黑,酚醛树脂等补强剂,能够有效增强橡胶的物理机械性能,所制备的丁腈橡胶-金属复合密封材料具有强度高的特点,耐磨、耐油、耐水性能好,密封材料与底板间黏结牢固,具有广阔的市场前景。
附图说明
图1为本发明实施例2中制得的丁腈橡胶-金属密封材料的扫描电镜照片。
图2为本发明实施例4中制得的丁腈橡胶-金属密封材料的扫描电镜照片。
具体实施方式
实施例1:
一种丁腈橡胶-金属复合密封材料,其配方中原料质量份数分别为:丁腈橡胶100份,乙酸丁酯500份,炭黑30份,白炭黑10份,酚醛树脂5份,氧化锌5份,不溶性硫磺HD OT20 1份,过氧化二异丙苯5份,增塑剂邻苯二甲酸二辛酯8份,防老剂N-(1,3-二甲基)丁基-N'-苯基对苯二胺3份,促进剂N-环已基-2-苯骈噻唑次磺酰胺 1份,二硫化二苯并噻唑0.5份,二硫化四甲基秋兰姆 0.5份,尿素5份,硬脂酸1份,发泡剂二苯磺酰肼醚 (OBSH) 8份。
(1) 将丁腈橡胶与乙酸丁酯按配方中的比例共混持续搅拌,待丁腈橡胶全部溶解后,将所得胶浆与配方中的补强剂、防老剂、促进剂、硫化剂、增塑剂一起装入球磨罐,在行星式球磨机中研磨8小时,所得产物取出后置于容器中,加入配方中的发泡剂和发泡助剂持续搅拌,充分混合,制得胶料。
(2) 分别用丙酮、乙醇擦拭金属板,清洗掉其表面的灰尘和污渍,待金属板晾干后,在其表面浸涂底涂凯姆洛克胶,并于烘箱中120℃下处理10分钟,获得备用金属板。
(3) 将步骤(1)制得的胶料淋涂于步骤(2)获得的备用金属板上,待胶料完全晾干后,放入烘箱中160℃硫化30min,即制得丁腈橡胶-金属复合密封材料。
实施例2:
一种丁腈橡胶-金属复合密封材料,其配方中原料质量份数分别为:丁腈橡胶100份,乙酸丁酯500份,炭黑30份,白炭黑10份,酚醛树脂5份,氧化锌5份,不溶性硫磺HD OT20 1份,过氧化二异丙苯5份,增塑剂邻苯二甲酸二辛酯8份,防老剂N-(1,3-二甲基)丁基-N'-苯基对苯二胺3份,促进剂N-环已基-2-苯骈噻唑次磺酰胺 1份,二硫化二苯并噻唑0.5份,二硫化四甲基秋兰姆 0.5份,尿素5份,硬脂酸1份,发泡剂二苯磺酰肼醚 (OBSH) 3份,发泡剂偶氮二甲酰胺(ADC) 5份。
(1) 将丁腈橡胶与乙酸丁酯按配方中的比例共混持续搅拌,待丁腈橡胶全部溶解后,将所得胶浆与配方中的补强剂、防老剂、促进剂、硫化剂、增塑剂一起装入球磨罐,在行星式球磨机中研磨8小时,所得产物取出后置于容器中,加入配方中的发泡剂和发泡助剂持续搅拌,充分混合,制得胶料。
(2) 分别用丙酮、乙醇擦拭金属板,清洗掉其表面的灰尘和污渍,待金属板晾干后,在其表面浸涂底涂凯姆洛克胶,并于烘箱中120℃下处理10分钟,获得备用金属板。
(3) 将步骤(1)制得的胶料淋涂于步骤(2)获得的备用金属板上,待胶料完全晾干后,放入烘箱中160℃硫化30min,即制得丁腈橡胶-金属复合密封材料。
本实施例制得的丁腈橡胶-金属复合密封材料表面完整,泡孔均匀,压缩回弹性能好,耐水耐油、抗撕裂、附着力等物理机械性能均到达国家质量检测标准。具体数据见表1。
表1
| 序号 | 实验项目 | 测试条件 | 标准值 | 结果 |
| 1 | 厚度 | 常温常压 | 0.6/0.8/1.0/1.2 mm | OK |
| 2 | 附着力 | GB/T9286 | OK | |
| 3 | 耐温性 | 250 <sup>o</sup>C,12小时 | 无起泡/脱落 | OK |
| 4 | 耐 油 | 170±3 <sup>o</sup>C ×70,机油 | 无脱落 | OK |
| 5 | 厚度变化率% | 150±2 <sup>o</sup>C 10W/30汽油/机油浸泡 | ≤5 | OK |
| 6 | 重量变化率% | 5h,15-30 <sup>o</sup>C放置30min | ≤4 | OK |
| 7 | 耐液体腐蚀 | 水/防冻液(1:1),100±2 <sup>o</sup>C 72h | 无起泡/脱落 | OK |
| 8 | 抗压溃性 | 扭力20N,220 <sup>o</sup>C ×1h | 压溃面积≤5% | OK |
| 9 | 气密性 | 腔压0.4-0.45 Mpa,水中10 min | 无气泡 | OK |
实施例3:
一种丁腈橡胶-金属复合密封材料,其配方中原料质量份数组成分别为:丁腈橡胶100份,乙酸丁酯500份,炭黑30份,白炭黑10份,酚醛树脂5份,氧化锌5份,不溶性硫磺HD OT201份,过氧化二异丙苯5份,增塑剂邻苯二甲酸二辛酯8份,防老剂N-(1,3-二甲基)丁基-N'-苯基对苯二胺3份,促进剂N-环已基-2-苯骈噻唑次磺酰胺 1份,二硫化二苯并噻唑0.5份,二硫化四甲基秋兰姆 0.5份,尿素5份,硬脂酸1份,微球发泡剂5份。
(1) 将丁腈橡胶与乙酸丁酯按配方中的比例共混持续搅拌,待丁腈橡胶全部溶解后,将所得胶浆与配方中的补强剂、防老剂、促进剂、硫化剂、增塑剂一起装入球磨罐,在行星式球磨机中研磨8小时,所得产物取出后置于容器中,加入配方中的发泡剂和发泡助剂持续搅拌,充分混合,制得胶料。
(2) 分别用丙酮、乙醇擦拭金属板,清洗掉其表面的灰尘和污渍,待金属板晾干后,在其表面浸涂底涂凯姆洛克胶,并于烘箱中120℃下处理10分钟,获得备用金属板。
(3) 将步骤(1)制得的胶料淋涂于步骤(2)获得的备用金属板上,待胶料完全晾干后,放入烘箱中160℃硫化30min,即制得丁腈橡胶-金属复合密封材料。
本实施例制得的丁腈橡胶-金属复合密封材料表面完整,泡孔均匀,压缩回弹性能好,耐水耐油、抗撕裂、附着力等物理机械性能均到达国家质量检测标准。
实施例4:
一种丁腈橡胶-金属复合密封材料,其配方中原料质量份数分别为:丁腈橡胶100份,乙酸丁酯500份,炭黑30份,白炭黑10份,酚醛树脂5份,氧化锌5份,不溶性硫磺HD OT20 1份,过氧化二异丙苯5份,增塑剂邻苯二甲酸二辛酯8份,防老剂N-(1,3-二甲基)丁基-N'-苯基对苯二胺3份,促进剂N-环已基-2-苯骈噻唑次磺酰胺 1份,二硫化二苯并噻唑0.5份,二硫化四甲基秋兰姆 0.5份,尿素5份,硬脂酸1份,微球发泡剂10份。
(1) 将丁腈橡胶与乙酸丁酯按配方中的比例共混持续搅拌,待丁腈橡胶全部溶解后,将所得胶浆与配方中的补强剂、防老剂、促进剂、硫化剂、增塑剂一起装入球磨罐,在行星式球磨机中研磨8小时,所得产物取出后置于容器中,加入配方中的发泡剂和发泡助剂持续搅拌,充分混合,制得胶料。
(2) 分别用丙酮、乙醇擦拭金属板,清洗掉其表面的灰尘和污渍,待金属板晾干后,在其表面浸涂底涂凯姆洛克胶,并于烘箱中120℃下处理10分钟,获得备用金属板。
(3) 将步骤(1)制得的胶料淋涂于步骤(2)获得的备用金属板上,待胶料完全晾干后,放入烘箱中160℃硫化30min,即制得丁腈橡胶-金属复合密封材料。
本实施例制得的丁腈橡胶-金属复合密封材料表面完整,泡孔均匀,压缩回弹性能好,耐水耐油、抗撕裂、附着力等物理机械性能均到达国家质量检测标准。
Claims (2)
1.一种丁腈橡胶-金属复合密封材料,其特征在于该丁腈橡胶-金属复合密封材料的配方中原料质量份数分别为:丁腈橡胶100份,乙酸丁酯300~700份,补强剂30~50份,防老剂3~5份,促进剂1~3份,硫化剂1~8份,增塑剂3~15份,发泡剂3~15份,发泡助剂5~10份;
所述补强剂是但不限于炭黑、白炭黑、酚醛树脂、氧化锌和聚氯乙烯树脂中的一种或多种;
所述防老剂是但不限于胺类防老剂、酮胺类防老剂和对苯二胺类防老剂中的一种或多种;
所述促进剂是但不限于秋兰姆类促进剂、噻唑类促进剂、黄原酸盐类促进剂和次磺酰胺类促进剂中的一种或多种;
所述硫化剂是但不限于有机过氧化物、不溶性硫磺中、胺类化合物和树脂硫化剂中的一种或多种;
所述增塑剂是但不限于邻苯二甲酸酯类增塑剂、脂肪酸酯类增塑剂和环氧酯类增塑剂中的一种或多种;
所述发泡剂是但不限于有机发泡剂、无机发泡剂和微球发泡剂中的一种或多种;
所述发泡助剂是但不限于尿素类发泡助剂、磷酸酯类发泡助剂和有机酸类发泡助剂中的一种或多种。
2.一种如权利要求1所述的丁腈橡胶-金属复合密封材料的制备方法,其特征在于具体步骤为:
(1) 将丁腈橡胶与乙酸丁酯按配方中的比例共混持续搅拌,待丁腈橡胶全部溶解后,将所得胶浆与配方中的补强剂、防老剂、促进剂、硫化剂、增塑剂一起装入球磨罐,在行星式球磨机中研磨8小时,所得产物取出后置于容器中,加入配方中的发泡剂和发泡助剂持续搅拌,充分混合,制得胶料;
(2) 分别用丙酮、乙醇擦拭金属板,清洗掉其表面的灰尘和污渍,待金属板晾干后,在其表面浸涂底涂凯姆洛克胶,并于烘箱中120℃下处理10分钟,获得备用金属板;
(3) 将步骤(1)制得的胶料涂覆于步骤(2)获得的备用金属板上,待胶料完全晾干后,放入烘箱中在130~190℃下硫化20~45min,完成自由发泡,即制得丁腈橡胶-金属复合密封材料;
所述金属板是但不限于冷轧板和不锈钢板中的一种;
所述涂覆的方法是但不限于喷涂、淋涂、滚涂和浸涂中的一种或多种。
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