CN108487876B - 带压作业用环空动密封耐磨件的生产工艺 - Google Patents
带压作业用环空动密封耐磨件的生产工艺 Download PDFInfo
- Publication number
- CN108487876B CN108487876B CN201810311497.7A CN201810311497A CN108487876B CN 108487876 B CN108487876 B CN 108487876B CN 201810311497 A CN201810311497 A CN 201810311497A CN 108487876 B CN108487876 B CN 108487876B
- Authority
- CN
- China
- Prior art keywords
- percent
- production process
- wear
- resistant part
- raw materials
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 238000007789 sealing Methods 0.000 title description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 66
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 claims abstract description 22
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 claims abstract description 22
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000010687 lubricating oil Substances 0.000 claims abstract description 17
- 239000002994 raw material Substances 0.000 claims abstract description 17
- 239000000314 lubricant Substances 0.000 claims abstract description 11
- 239000007787 solid Substances 0.000 claims abstract description 11
- 230000018044 dehydration Effects 0.000 claims abstract description 10
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 10
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 238000009966 trimming Methods 0.000 claims abstract description 4
- 238000002844 melting Methods 0.000 claims description 27
- 230000008018 melting Effects 0.000 claims description 27
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 20
- 239000000155 melt Substances 0.000 claims description 15
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical group S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims description 10
- 239000004698 Polyethylene Substances 0.000 claims description 9
- -1 polyethylene Polymers 0.000 claims description 9
- 229920000573 polyethylene Polymers 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 239000010439 graphite Substances 0.000 claims description 8
- 229910002804 graphite Inorganic materials 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000002480 mineral oil Substances 0.000 claims description 6
- 235000010446 mineral oil Nutrition 0.000 claims description 6
- 229920006124 polyolefin elastomer Polymers 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 229920002943 EPDM rubber Polymers 0.000 claims description 5
- 239000002199 base oil Substances 0.000 claims description 5
- 239000004519 grease Substances 0.000 claims description 5
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- 238000001514 detection method Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 239000011261 inert gas Substances 0.000 description 4
- 239000003345 natural gas Substances 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical group C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/60—Polyamides or polyester-amides
- C08G18/603—Polyamides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
- C08G69/14—Lactams
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
- C08G69/14—Lactams
- C08G69/16—Preparatory processes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3009—Sulfides
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/068—Ultra high molecular weight polyethylene
Landscapes
- 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)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Lubricants (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
本发明公开了带压作业用环空动密封耐磨件的生产工艺,由以下重量百分比的原料组成,各原料重量百分比之和为100%,己内酰胺65~72%,氢氧化钠0.1~0.5%,甲苯二异氰酸酯0.1~0.5%,液体润滑剂10~20%,超高分子量聚乙烯5~15%,相容剂1~5%,固体润滑剂5~10%;上述原料经过两次真空脱水、混合、浇铸后脱模,修整、去毛边,在根据图纸加工成环空动密封耐磨件成品。本发明提供了一种带压作业用环空动密封耐磨件的生产工艺,制备工艺简单,成本低,性能优良的特点。
Description
技术领域
本发明涉及密封技术领域,尤其涉及一种带压作业用环空动密封耐磨件的生产工艺。
背景技术
带压作业已广泛应用于是有天然气勘探开发(完井、射孔、压裂酸化和开发等)多个领域,其突出的技术优势在于不压井、不放喷、不泄压,避免油气层被污染、减轻地面环境污染、缩短作业周期,能有效地保护和维护地层原始产能,为气田长期开发和稳定性生产提供良好基础,是目前是有天然气勘探开发的重要技术手段。但是由于原料、制作工艺等因素,国内带压作业特别是气井带压作业的关键部位——环空动密封胶件无法满足带压作业现场使用要求。
目前,气井带压作业环空动密封胶件的耐磨件主要依靠国外进口,导致带压作业成本增加,配件供货周期加长。
发明内容
本发明的目的在于克服现有技术的缺陷,提供一种带压作业用环空动密封耐磨件的生产工艺,制备工艺简单,成本低,性能优良的特点。
本发明采用的技术方案是:
带压作业用环空动密封耐磨件的生产工艺,其特征在于由以下重量百分比的原料组成,各原料重量百分比之和为100%,
己内酰胺 65~72%,
氢氧化钠 0.1~0.5%,
甲苯二异氰酸酯 0.1~0.5%,
液体润滑剂 10~20%,
超高分子量聚乙烯 5~15%,
相容剂 1~5%,
固体润滑剂 5~10%;
采用以下生产工艺流程:
S1.将己内酰胺、液体润滑剂和固体润滑剂倒入熔料器内,升温至152~160℃,熔融并混合均匀;
S2.维持熔料器温度在152~160℃并对熔料器内部进行第一次真空脱水操作,脱水时间30~40min;
S3.维持熔料器温度在152~160℃,对熔料器内部进行充气如氮气等惰性气体置换后抽真空,加入氢氧化钠后对熔料器内部进行第二次真空脱水,脱水时间30~40min;
S4.维持熔料器温度在152~160℃并在真空条件下加入超高分子量聚乙烯和相容剂,搅拌5min后停止加热,对熔料器内部进行充气如氮气等惰性气体置换后抽真空,然后加入甲苯二异氰酸酯,搅拌均匀;
S5.将上一步骤中得到的熔融状混合物快速浇入温度为180~190℃的耐磨块模具中,并连通耐磨块模具整体置于180~190℃条件下保温10min;
S6.连通耐磨块模具整体取出,风冷5~10min后脱模,修整、去毛边,在根据图纸加工成环空动密封耐磨件成品。
进一笔地,所述液体润滑剂为基础油、矿物油、硅脂或润滑油;
所述相容剂为聚乙烯接枝马来酸酐、聚烯烃弹性体接枝马来酸酐或三元乙丙橡胶接枝马来酸酐;
所述固体润滑剂为硫化钼或者石墨。
进一步地,各原料组成为己内酰胺66.5%,氢氧化钠0.2%,甲苯二异氰酸酯0.3%,基础油13%,超高分子量聚乙烯12%,聚烯烃弹性体接枝马来酸酐3%,硫化钼5%。
进一步地,各原料组成为己内酰胺69.5%,氢氧化钠0.2%,甲苯二异氰酸酯0.3%,矿物油12%,超高分子量聚乙烯10%,聚乙烯接枝马来酸酐2%,硫化钼6%。
进一步地,各原料组成为己内酰胺70.5%,氢氧化钠0.3%,甲苯二异氰酸酯0.4%,硅脂10%,超高分子量聚乙烯8%,三元乙丙橡胶接枝马来酸酐5%,石墨5.8%。
进一步地,各原料组成为己内酰胺67.5%,氢氧化钠0.1%,甲苯二异氰酸酯0.4%,润滑油13%,超高分子量聚乙烯10%,聚乙烯接枝马来酸酐1%,石墨8%。
本发明的有益效果是:
1.本发明在传统的浇铸尼龙产品添加了液体润滑剂和固体润滑剂,改善成品与被密封的管柱间的摩擦系统,提高其耐磨性能,增加了成品的使用寿命。
2.本发明在传统的浇铸尼龙产品添加了超高分子量聚乙烯,改善了成品的力学性能。
3.本发明中先对己内酰胺、液体润滑剂和固体润滑剂进行真空脱水处理,然后充气置换取出可挥发的小分子物质,加入氢氧化钠之,再次进行真空脱水处理和气体置换,保证原料中不含有水分以及可挥发的小分子物质,同时加入氢氧化钠后生产钠代己内酰胺,然后与液体润滑剂、固体润滑剂和超高分子量聚乙烯混合,最终浇铸得到成品,制备的环空动密封耐磨件性能优良,制造成本低。
4.本发明中制造的密封耐磨件在做静密封测试时(即使用清水做静密测试,测试压力70MPa,稳压30分钟),压降不大于1MPa,性能优异。
5. 本发明中制造的密封耐磨件在现场作业动密封测试时(即动密封测试,密封介质为天然气或天然气及水的混合物,目前作业压力小于35MPa,过管串长度1200m,控制压力小于等于10.5MPa,)符合现场使用的要求。
具体实施方式
为了使本发明的目的及技术方案的优点更加清楚明白,以下结合实例,对本发明进行进一步详细说明。
带压作业用环空动密封耐磨件的生产工艺,采用以下生产工艺流程:
S1.将己内酰胺、液体润滑剂和固体润滑剂倒入熔料器内,升温至152~160℃,熔融并混合均匀;
S2.维持熔料器温度在152~160℃并对熔料器内部进行第一次真空脱水操作,脱水时间30~40min;
S3.维持熔料器温度在152~160℃,对熔料器内部进行充气如氮气等惰性气体置换后抽真空,加入氢氧化钠后对熔料器内部进行第二次真空脱水,脱水时间30~40min;
S4.维持熔料器温度在152~160℃并在真空条件下加入超高分子量聚乙烯和相容剂,搅拌5min后停止加热,对熔料器内部进行充气如氮气等惰性气体置换后抽真空,然后加入甲苯二异氰酸酯,搅拌均匀;
S5.将上一步骤中得到的熔融状混合物快速浇入温度为180~190℃的耐磨块模具中,并连通耐磨块模具整体置于180~190℃条件下保温10min;
S6.连通耐磨块模具整体取出,风冷5~10min后脱模,修整、去毛边,在根据图纸加工成环空动密封耐磨件成品。
实施例一
己内酰胺65,氢氧化钠0.1%,甲苯二异氰酸酯0.1%,润滑油20%,超高分子量聚乙烯5%,聚乙烯接枝马来酸酐4.5%,硫化钼5.3%。经实验检测:拉伸强度(MPa)为55,缺口冲击强度(KJ/m2)64.3,采用MM-200型实验机在干摩擦状态摩擦磨损,加载200牛顿,实验时间为60分钟,磨损量(mm)3.5。
实施例二
己内酰胺70%,氢氧化钠0.5%,甲苯二异氰酸酯0.5%,矿物油10%,超高分子量聚乙烯13%,聚烯烃弹性体接枝马来酸酐1%,硫化钼 5%。经实验检测:拉伸强度(MPa)为58,缺口冲击强度(KJ/m2)62.3,采用MM-200型实验机在干摩擦状态摩擦磨损,加载200牛顿,实验时间为60分钟,磨损量(mm)4.2。
实施例三
己内酰胺66.5%,氢氧化钠0.2%,甲苯二异氰酸酯0.3%,基础油13%,超高分子量聚乙烯12%,聚烯烃弹性体接枝马来酸酐3%,硫化钼5%。经实验检测:拉伸强度(MPa)为58,缺口冲击强度(KJ/m2)63.0,采用MM-200型实验机在干摩擦状态摩擦磨损,加载200牛顿,实验时间为60分钟,磨损量(mm)4.0。
实施例四
己内酰胺69.5%,氢氧化钠0.2%,甲苯二异氰酸酯0.3%,矿物油12%,超高分子量聚乙烯10%,聚乙烯接枝马来酸酐2%,硫化钼6%。经实验检测:拉伸强度(MPa)为54,缺口冲击强度(KJ/m2)63.3,采用MM-200型实验机在干摩擦状态摩擦磨损,加载200牛顿,实验时间为60分钟,磨损量(mm)4.5。
实施例五
己内酰胺70.5%,氢氧化钠0.3%,甲苯二异氰酸酯0.4%,硅脂10%,超高分子量聚乙烯8%,三元乙丙橡胶接枝马来酸酐5%,石墨5.8%。经实验检测:拉伸强度(MPa)为59,缺口冲击强度(KJ/m2)62.1,采用MM-200型实验机在干摩擦状态摩擦磨损,加载200牛顿,实验时间为60分钟,磨损量(mm)3.8。
实施例六
己内酰胺67.5%,氢氧化钠0.1%,甲苯二异氰酸酯0.4%,润滑油13%,超高分子量聚乙烯10%,聚乙烯接枝马来酸酐1%,石墨8%。经实验检测:拉伸强度(MPa)为60,缺口冲击强度(KJ/m2)62.5,采用MM-200型实验机在干摩擦状态摩擦磨损,加载200牛顿,实验时间为60分钟,磨损量(mm)3.6。
Claims (6)
1.带压作业用环空动密封耐磨件的生产工艺,其特征在于由以下重量百分比的原料组成,各原料重量百分比之和为100%,
己内酰胺 65~72%,
氢氧化钠 0.1~0.5%,
甲苯二异氰酸酯 0.1~0.5%,
液体润滑剂 10~20%,
超高分子量聚乙烯 5~15%,
相容剂 1~5%,
固体润滑剂 5~10%;
采用以下生产工艺流程:
S1.将己内酰胺、液体润滑剂和固体润滑剂倒入熔料器内,升温至152~160℃,熔融并混合均匀;
S2.维持熔料器温度在152~160℃并对熔料器内部进行第一次真空脱水操作,脱水时间30~40min;
S3.维持熔料器温度在152~160℃,对熔料器内部进行充气置换后抽真空,加入氢氧化钠后对熔料器内部进行第二次真空脱水,脱水时间30~40min;
S4.维持熔料器温度在152~160℃并在真空条件下加入超高分子量聚乙烯和相容剂,搅拌5min后停止加热,对熔料器内部进行充气置换后抽真空,然后加入甲苯二异氰酸酯,搅拌均匀;
S5.将上一步骤中得到的熔融状混合物快速浇入温度为180~190℃的耐磨块模具中,并连通耐磨块模具整体置于180~190℃条件下保温10min;
S6.连通耐磨块模具整体取出,风冷5~10min后脱模,修整、去毛边,在根据图纸加工成环空动密封耐磨件成品。
2.根据权利要求1所述的带压作业用环空动密封耐磨件的生产工艺,其特征在于:
所述液体润滑剂为基础油、矿物油、硅脂或润滑油;
所述相容剂为聚乙烯接枝马来酸酐、聚烯烃弹性体接枝马来酸酐或三元乙丙橡胶接枝马来酸酐;
所述固体润滑剂为硫化钼或者石墨。
3.根据权利要求2所述的带压作业用环空动密封耐磨件的生产工艺,其特征在于:各原料组成为己内酰胺66.5%,氢氧化钠0.2%,甲苯二异氰酸酯0.3%,基础油13%,超高分子量聚乙烯12%,聚烯烃弹性体接枝马来酸酐3%,硫化钼5%。
4.根据权利要求2所述的带压作业用环空动密封耐磨件的生产工艺,其特征在于:各原料组成为己内酰胺69.5%,氢氧化钠0.2%,甲苯二异氰酸酯0.3%,矿物油12%,超高分子量聚乙烯10%,聚乙烯接枝马来酸酐2%,硫化钼6%。
5.根据权利要求2所述的带压作业用环空动密封耐磨件的生产工艺,其特征在于:各原料组成为己内酰胺70.5%,氢氧化钠0.3%,甲苯二异氰酸酯0.4%,硅脂10%,超高分子量聚乙烯8%,三元乙丙橡胶接枝马来酸酐5%,石墨5.8%。
6.根据权利要求2所述的带压作业用环空动密封耐磨件的生产工艺,其特征在于:各原料组成为己内酰胺67.5%,氢氧化钠0.1%,甲苯二异氰酸酯0.4%,润滑油13%,超高分子量聚乙烯10%,聚乙烯接枝马来酸酐1%,石墨8%。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810311497.7A CN108487876B (zh) | 2018-04-09 | 2018-04-09 | 带压作业用环空动密封耐磨件的生产工艺 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810311497.7A CN108487876B (zh) | 2018-04-09 | 2018-04-09 | 带压作业用环空动密封耐磨件的生产工艺 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108487876A CN108487876A (zh) | 2018-09-04 |
CN108487876B true CN108487876B (zh) | 2020-03-20 |
Family
ID=63314957
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810311497.7A Active CN108487876B (zh) | 2018-04-09 | 2018-04-09 | 带压作业用环空动密封耐磨件的生产工艺 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108487876B (zh) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000191827A (ja) * | 1998-12-25 | 2000-07-11 | Nippon Polypenco Ltd | ε―カプロラクタム重合体の溶解方法および再重合方法 |
CN100564440C (zh) * | 2006-10-31 | 2009-12-02 | 上海化工研究院天地科技发展有限公司 | 一种超高分子量聚乙烯/铸型尼龙复合材料的制备方法 |
CN100575406C (zh) * | 2006-10-31 | 2009-12-30 | 上海化工研究院天地科技发展有限公司 | 一种增韧高耐磨超高分子量聚乙烯/铸型尼龙复合材料 |
CN102391642A (zh) * | 2011-08-31 | 2012-03-28 | 李刚 | 改性mc尼龙6共混材料的制备方法 |
CN106146830A (zh) * | 2015-04-28 | 2016-11-23 | 徐工集团工程机械股份有限公司 | 一种多层改性浇铸尼龙材料 |
-
2018
- 2018-04-09 CN CN201810311497.7A patent/CN108487876B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN108487876A (zh) | 2018-09-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104086993B (zh) | 一种接枝交联聚酰胺内衬管材制备方法及耐高温内衬抽油管 | |
CN104194079A (zh) | 一种复合材料密封圈及其制作工艺 | |
CN108487876B (zh) | 带压作业用环空动密封耐磨件的生产工艺 | |
CN101649902A (zh) | 一种聚醚醚酮组合密封圈 | |
CN107740681B (zh) | 一种球型胶芯及其生产模具和生产方法 | |
CN104356439A (zh) | 一种船闸用高耐磨水封橡胶及其制备方法 | |
CN106750660A (zh) | 一种耐高压液压油缸用u形密封圈及其制备方法 | |
CN104045890A (zh) | 一种耐用型橡胶 | |
CN105524410A (zh) | 碳酸钙晶须增强peek/ptfe树脂及其制备方法 | |
CN204022720U (zh) | 一种耐高温内衬抽油管 | |
CN105670146A (zh) | 一种传动带用高性能硫化胶套 | |
CN105131590A (zh) | 一种耐候性抗紫外光尼龙材料及其制备方法 | |
CN210289697U (zh) | 一种新型井口光杆密封装置 | |
CN107325359A (zh) | 一种阻燃型密封件橡胶 | |
CN107778676A (zh) | 汽车轮胎橡胶的制备方法 | |
CN204123282U (zh) | 一种新型砂轮磨具 | |
CN103450601A (zh) | 电缆连接用密封圈 | |
CN102796256A (zh) | 聚丙烯增韧浇铸尼龙及其制备方法 | |
CN106750164A (zh) | 聚氨酯弹性体的制备方法 | |
CN105001490A (zh) | 一种适用于啤酒瓶盖的内垫料 | |
CN104592606A (zh) | 一种耐高温车用橡胶管 | |
CN104151750A (zh) | 机械密封用辅助密封件材料及其制备方法 | |
CN115594926B (zh) | 一种高转速电机油封用耐磨低应力松弛橡胶及其制备方法 | |
CN106336578A (zh) | 一种净化污水用膜片材料及其制备方法 | |
CN110903523A (zh) | 一种橡胶密封胶垫材料及其制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |