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CN106738553A - 玻璃纤维增强改性酚醛树脂小孔带耳薄垫片的成型工艺 - Google Patents

玻璃纤维增强改性酚醛树脂小孔带耳薄垫片的成型工艺 Download PDF

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Publication number
CN106738553A
CN106738553A CN201611069297.2A CN201611069297A CN106738553A CN 106738553 A CN106738553 A CN 106738553A CN 201611069297 A CN201611069297 A CN 201611069297A CN 106738553 A CN106738553 A CN 106738553A
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Prior art keywords
glass fibre
phenolic resin
fibre reinforced
small pore
pore area
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Pending
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CN201611069297.2A
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English (en)
Inventor
李冬梅
杨坚
贺晔红
马羽飞
史艳梅
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Shenyang Liming Aero Engine Group Co Ltd
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Shenyang Liming Aero Engine Group Co Ltd
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Priority to CN201611069297.2A priority Critical patent/CN106738553A/zh
Publication of CN106738553A publication Critical patent/CN106738553A/zh
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32Component parts, details or accessories; Auxiliary operations
    • B29C43/58Measuring, controlling or regulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32Component parts, details or accessories; Auxiliary operations
    • B29C43/58Measuring, controlling or regulating
    • B29C2043/5808Measuring, controlling or regulating pressure or compressing force
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32Component parts, details or accessories; Auxiliary operations
    • B29C43/58Measuring, controlling or regulating
    • B29C2043/5816Measuring, controlling or regulating temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/26Sealing devices, e.g. packaging for pistons or pipe joints
    • B29L2031/265Packings, Gaskets

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulding By Coating Moulds (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

本发明涉及一种复合材料绝缘垫片的成型工艺,具体涉及一种玻璃纤维增强改性酚醛树脂小孔带耳薄垫片的成型工艺。本发明的技术方案如下:玻璃纤维增强改性酚醛树脂小孔带耳薄垫片的成型工艺,其模压成型参数为:温度:150℃~180℃,固化时间:9~20min,压力:10~15MPa;纤维铺层取向相邻两层之间夹角为45°或90°。本发明提供的玻璃纤维增强改性酚醛树脂小孔带耳薄垫片的成型工艺,解决了小孔带耳薄垫片成型极易断裂,易产生翘曲,无法获得完好零件,合格率低的问题,并且具有良好的外观质量及尺寸精度。

Description

玻璃纤维增强改性酚醛树脂小孔带耳薄垫片的成型工艺
技术领域
本发明涉及一种复合材料绝缘垫片的成型工艺,具体涉及一种玻璃纤维增强改性酚醛树脂小孔带耳薄垫片的成型工艺。
背景技术
飞机发动机上的一种玻璃纤维增强改性酚醛树脂小孔带耳薄垫片,要求厚度在1mm以下,其上分布着小孔,在小孔处填充纤维难度大,不易充入纤维,易断裂,并且薄垫片易产生翘曲,无法满足零件使用要求。
发明内容
本发明提供一种玻璃纤维增强改性酚醛树脂小孔带耳薄垫片的成型工艺,解决了小孔带耳薄垫片成型极易断裂,易产生翘曲,无法获得完好零件,合格率低的问题,并且具有良好的外观质量及尺寸精度。
本发明的技术方案如下:
玻璃纤维增强改性酚醛树脂小孔带耳薄垫片的成型工艺,其模压成型参数为:温度:150℃~180℃,固化时间:9~20min,压力:10~15MPa;纤维铺层取向相邻两层之间夹角为45°或90°。
所述的玻璃纤维增强改性酚醛树脂小孔带耳薄垫片的成型工艺,其中纤维铺层取向为:-45°/0°/+45°或-45°/0°/90°/+45°或+45°/0°/90°/-45°或-45°/+45°或+45°/-45°。
所述的玻璃纤维增强改性酚醛树脂小孔带耳薄垫片的成型工艺,包括如下步骤:
1)将玻璃纤维增强改性酚醛树脂料涂刷树脂软化剂;然后进行预热,预热温度为105℃±5℃,预热时间为12~18min;预热完毕,将玻璃纤维增强改性酚醛树脂料取出放到干净的塑料膜袋中暂时存放;
2)将预热完毕的玻璃纤维增强改性酚醛树脂料按照小孔带耳薄垫片的形状及尺寸,裁剪成小段,称量单腔用量,按纤维铺层取向进行装模;
3)调整好平板硫化机的模压温度、时间和压力,进行模压;
4)模具卸压后,取出制品置于夹具中,并一直保持到完全冷却。
所述的玻璃纤维增强改性酚醛树脂小孔带耳薄垫片的成型工艺,其中所述树脂软化剂为分析纯级乙醇。
所述的玻璃纤维增强改性酚醛树脂小孔带耳薄垫片的成型工艺,其优选方案为,所述夹具为两块金属块。
本发明的有益效果为:采用本发明的成型工艺解决了小孔带耳薄垫片极易断裂、易翘曲,无法获得完好零件、合格率低的问题。成型后的制品具有良好的外观质量及尺寸精度,保证了零件装配尺寸,并且一次成型无需二次加工。本发明成型的小孔带耳薄垫片具有光滑,纤维排列整齐纤维不打弯折的表面,无凸起、裂纹和分层,颜色为深浅不同的浅黄色和浅褐色条纹和色斑,允许有点状非金属杂质,成型后的制品洁净、平整、无明显变形。制备的试片弯曲强度大于470MPa,弯曲弹性模量大于25GPa。
具体实施方式
实施例1
1)将玻璃纤维增强改性酚醛树脂料涂刷分析纯级乙醇;然后进行预热,预热温度为105℃,预热时间为15min;预热完毕,将玻璃纤维增强改性酚醛树脂料取出放到干净的塑料膜袋中暂时存放;
2)将预热完毕的玻璃纤维增强改性酚醛树脂料按照小孔带耳薄垫片的形状及尺寸,裁剪成小段,称量单腔用量,按纤维铺层取向-45°/0°/+45°进行装模;
3)调整好平板硫化机,模压温度:170℃±5℃,时间:15min,压力:15MPa,进行模压;
4)模具卸压后,取出制品置于两块金属块中,并一直保持到完全冷却。
实施例2
与实施例1不同在于,按纤维铺层取向-45°/0°/90°/+45°进行装模;模压温度为155℃±5℃。
实施例3
与实施例1不同在于,按纤维铺层取向+45°/0°/90°/-45°进行装模;模压温度:175℃±5℃,压力:10MPa。
实施例4
与实施例1不同在于,按纤维铺层取向+45°/-45°进行装模;模压温度:160℃±5℃,时间:11min,压力:13MPa。

Claims (5)

1.玻璃纤维增强改性酚醛树脂小孔带耳薄垫片的成型工艺,其特征在于,模压成型参数为:温度:150℃~180℃,固化时间:9~20min,压力:10~15MPa;纤维铺层取向相邻两层之间夹角为45°或90°。
2.根据权利要求1所述的玻璃纤维增强改性酚醛树脂小孔带耳薄垫片的成型工艺,其特征在于,纤维铺层取向为:-45°/0°/+45°或-45°/0°/90°/+45°或+45°/0°/90°/-45°或-45°/+45°或+45°/-45°。
3.根据权利要求1或2所述的玻璃纤维增强改性酚醛树脂小孔带耳薄垫片的成型工艺,其特征在于,包括如下步骤:
1)将玻璃纤维增强改性酚醛树脂料涂刷树脂软化剂;然后进行预热,预热温度为105℃±5℃,预热时间为12~18min;预热完毕,将玻璃纤维增强改性酚醛树脂料取出放到干净的塑料膜袋中暂时存放;
2)将预热完毕的玻璃纤维增强改性酚醛树脂料按照小孔带耳薄垫片的形状及尺寸,裁剪成小段,称量单腔用量,按纤维铺层取向进行装模;
3)调整好平板硫化机的模压温度、时间和压力,进行模压;
4)模具卸压后,取出制品置于夹具中,并一直保持到完全冷却。
4.根据权利要求3所述的玻璃纤维增强改性酚醛树脂小孔带耳薄垫片的成型工艺,其特征在于,所述树脂软化剂为分析纯级乙醇。
5.根据权利要求3所述的玻璃纤维增强改性酚醛树脂小孔带耳薄垫片的成型工艺,其特征在于,所述夹具为两块金属块。
CN201611069297.2A 2016-11-29 2016-11-29 玻璃纤维增强改性酚醛树脂小孔带耳薄垫片的成型工艺 Pending CN106738553A (zh)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1293731A (zh) * 1999-03-19 2001-05-02 东丽株式会社 Frp制屋顶材料、制造方法、其接合构造及接合方法
EP1294558A2 (en) * 2000-06-30 2003-03-26 Owens Corning Process for forming a multilayer, multidensity composite insulator
CN101113080A (zh) * 2007-07-27 2008-01-30 山东圣泉化工股份有限公司 玻璃纤维浸渍酚醛树脂
CN102806716A (zh) * 2012-05-28 2012-12-05 中国人民解放军总后勤部军需装备研究所 防弹头盔盔体及其制备方法
CN103302866A (zh) * 2013-06-06 2013-09-18 马学斌 一种玻璃钢成型方法及其系统

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1293731A (zh) * 1999-03-19 2001-05-02 东丽株式会社 Frp制屋顶材料、制造方法、其接合构造及接合方法
EP1294558A2 (en) * 2000-06-30 2003-03-26 Owens Corning Process for forming a multilayer, multidensity composite insulator
CN101113080A (zh) * 2007-07-27 2008-01-30 山东圣泉化工股份有限公司 玻璃纤维浸渍酚醛树脂
CN102806716A (zh) * 2012-05-28 2012-12-05 中国人民解放军总后勤部军需装备研究所 防弹头盔盔体及其制备方法
CN103302866A (zh) * 2013-06-06 2013-09-18 马学斌 一种玻璃钢成型方法及其系统

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Application publication date: 20170531