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 PDFInfo
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- 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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- glass fibre
- phenolic resin
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- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 239000003365 glass fiber Substances 0.000 title claims abstract description 27
- 238000000465 moulding Methods 0.000 title claims abstract description 26
- 239000011148 porous material Substances 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000005011 phenolic resin Substances 0.000 title abstract description 7
- 229920001568 phenolic resin Polymers 0.000 title abstract description 7
- 239000000835 fiber Substances 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000000748 compression moulding Methods 0.000 claims abstract description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 230000001680 brushing effect Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000002985 plastic film Substances 0.000 claims description 2
- 229920006255 plastic film Polymers 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 abstract description 5
- 238000012797 qualification Methods 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 abstract description 2
- 238000005452 bending Methods 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
- B29C2043/5808—Measuring, controlling or regulating pressure or compressing force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
- B29C2043/5816—Measuring, controlling or regulating temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/26—Sealing devices, e.g. packaging for pistons or pipe joints
- B29L2031/265—Packings, Gaskets
Landscapes
- 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
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。
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Citations (5)
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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Patent Citations (5)
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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