CN104401068A - Frp管道及制作工艺 - Google Patents
Frp管道及制作工艺 Download PDFInfo
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- 239000010410 layer Substances 0.000 claims abstract description 49
- 239000003365 glass fiber Substances 0.000 claims abstract description 43
- 239000002344 surface layer Substances 0.000 claims abstract description 41
- 229920001567 vinyl ester resin Polymers 0.000 claims abstract description 40
- 238000005728 strengthening Methods 0.000 claims abstract description 20
- 239000004744 fabric Substances 0.000 claims abstract description 16
- 239000011521 glass Substances 0.000 claims description 30
- 239000002356 single layer Substances 0.000 claims description 12
- 238000005470 impregnation Methods 0.000 claims description 9
- 238000007711 solidification Methods 0.000 claims description 8
- 230000008023 solidification Effects 0.000 claims description 8
- 229920002799 BoPET Polymers 0.000 claims description 7
- 239000003973 paint Substances 0.000 claims description 7
- 239000013530 defoamer Substances 0.000 claims description 6
- 239000004922 lacquer Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000012188 paraffin wax Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 239000011152 fibreglass Substances 0.000 claims description 5
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 3
- 239000005977 Ethylene Substances 0.000 claims description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 3
- 208000034189 Sclerosis Diseases 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 230000001351 cycling effect Effects 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 3
- 229940068984 polyvinyl alcohol Drugs 0.000 claims description 3
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 3
- 238000004018 waxing Methods 0.000 claims description 3
- 230000003628 erosive effect Effects 0.000 abstract 2
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- 230000002787 reinforcement Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/02—Layered products essentially comprising sheet glass, or glass, slag, or like fibres in the form of fibres or filaments
- B32B17/04—Layered products essentially comprising sheet glass, or glass, slag, or like fibres in the form of fibres or filaments bonded with or embedded in a plastic substance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B1/00—Layered products having a non-planar shape
- B32B1/08—Tubular products
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- B32B17/064—
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
- B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/02—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by a sequence of laminating steps, e.g. by adding new layers at consecutive laminating stations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/046—Synthetic resin
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Abstract
一种FRP管道,其特征在于:包括三层结构:耐腐蚀表面层、耐侵蚀中间层、强化外层,耐腐蚀表面层为FRP管道内表面,其中:耐腐蚀表面层为含浸乙烯基酯树脂的玻璃纤维薄毡固化而成,玻璃纤维与树脂的比重为10::90;耐侵蚀中间层为含浸乙烯基酯树脂的玻璃纤维短切毡固化而成,玻璃纤维与树脂的比重为25-35:65-75;强化外层为含浸乙烯基酯树脂的玻璃纤维短切毡和玻璃纤维网格布交替叠层固化而成,玻璃纤维与树脂的比重为30-40:60-70。
Description
技术领域
本发明涉及一种FRP管道及制作工艺。
背景技术
FRP亦称玻璃钢或玻璃钢增强塑料,是一种以高分子环氧树脂为基体,玻璃钢或碳纤维等为增强体,经过复合工艺而制成的复合材料。优点包括轻巧,耐腐蚀,抗老化,及绝缘,故用于制造各种运动用具、管道、造船、汽车与电子产品之外壳与印刷电路板。
目前,国内FRP管道相比日本等发达国家,制作时总避免不了气泡、气孔、表面不平整等不良现象,影响管道质量,降低管道寿命。
发明内容
本发明提供一种FRP管道及制作工艺,具体技术方案如下:
一种FRP管道,其特征在于:包括三层结构:耐腐蚀表面层、耐侵蚀中间层、强化外层,耐腐蚀表面层为FRP管道内表面,其中:耐腐蚀表面层为含浸乙烯基酯树脂的玻璃纤维薄毡固化而成,玻璃纤维与树脂的比重为10::90;耐侵蚀中间层为含浸乙烯基酯树脂的玻璃纤维短切毡固化而成,玻璃纤维与树脂的比重为25-35:65-75;强化外层为含浸乙烯基酯树脂的玻璃纤维短切毡和玻璃纤维网格布交替叠层固化而成,玻璃纤维与树脂的比重为30-40:60-70。
进一步的,耐腐蚀表面层厚度不小于2mm,单层玻璃纤维薄毡厚度为0.25-0.5mm;耐侵蚀中间层厚度不小于3mm,单层玻璃纤维短切毡厚度为0.6-0.7mm;强化外层中,玻璃纤维短切毡或网格布的厚度不小于3mm。
进一步的,耐腐蚀表面层的内表面设有模具表面层,包括3层,从内到外依次为1层凹凸纸,2层PET薄膜。
进一步的,强化外层外表面具有涂漆层,为固体石蜡和防止外线材料在树脂或凝胶涂层上混合后涂漆而成。
一种FRP管道制作工艺,其特征在于包括如下几个步骤:
1、模具准备:在模具的模芯表面涂蜡或聚乙烯醇溶液后常温晾干;
2、模具表面层:常温晾干后在表面铺设1层凹凸纸并在凹凸纸上铺设2层PET薄膜;
3、耐腐蚀表面层:在模芯上涂乙烯基酯树脂,将玻璃纤维薄毡铺层在乙烯基酯树脂上,涂一层乙烯基酯树脂铺一层玻璃纤维薄毡,玻璃纤维与树脂的比重为10::90,耐腐蚀表面层厚度不小于2mm,单层玻璃纤维薄毡厚度为0.25-0.5mm,控制耐腐蚀表面层上直径3mm的孔每30cm2少于3个;
4、耐侵蚀中间层:在耐腐蚀表面层涂乙烯基酯树脂,将玻璃纤维短切毡铺层在乙烯基酯树脂上,涂一层乙烯基酯树脂铺一层玻璃纤维短切毡,玻璃纤维与树脂的比重为25-35:65-75,耐腐蚀表面层厚度不小于3mm,单层玻璃纤维薄毡厚度为0.6-0.7mm,制作过程中使用脱泡机清除小孔;
5、强化外层:在耐侵蚀中间层涂乙烯基酯树脂,将玻璃纤维短切毡铺层在乙烯基酯树脂上,然后再涂一层乙烯基酯树脂,接着铺一层玻璃纤维网格布,循环操作直至完成强化外层,玻璃纤维短切毡或网格布的厚度不小于3mm,玻璃纤维与树脂的比重为30-40:60-70,制作过程中使用脱泡机清除小孔;
6、上机缠绕加强层:玻璃纤维布缠绕模具,用缠绕机紧固压实,挤出气泡,甩出多余乙烯基酯树脂,然后固化修整;
7、涂漆层:固体石蜡0.2-0.4wt%和防紫外线材料0.2wt%在树脂或凝胶涂层上混合后涂漆在强化外层表面;
8、定型后,常温2-4小时硬化后脱模。
采用本发明制备工艺制备的FRP管道,经压力试验,强度比传统FRP管道强度提高30%以上,管道寿命显著提高,采用凹凸纸加PET薄膜的结构,不仅方便脱模,而且脱模后管道内表面光洁,极大减少了气泡的产生,避免管道表面不平整现象。
附图说明
图1为FRP管道分层结构示意图;
图中,1-模具表面层,2-耐腐蚀表面层,3-耐侵蚀中间层,4-强化外层,5-涂漆层。
具体实施方式
一种FRP管道,包括三层结构:耐腐蚀表面层2、耐侵蚀中间层3、强化外层4,耐腐蚀表面层2为FRP管道内表面,其中:耐腐蚀表面层2为含浸乙烯基酯树脂的玻璃纤维薄毡固化而成,玻璃纤维与树脂的比重为10::90;耐侵蚀中间层3为含浸乙烯基酯树脂的玻璃纤维短切毡固化而成,玻璃纤维与树脂的比重为25-35:65-75;强化外层4为含浸乙烯基酯树脂的玻璃纤维短切毡和玻璃纤维网格布交替叠层固化而成,玻璃纤维与树脂的比重为30-40:60-70。
耐腐蚀表面层2厚度不小于2mm,单层玻璃纤维薄毡厚度为0.25-0.5mm;耐侵蚀中间层3厚度不小于3mm,单层玻璃纤维短切毡厚度为0.6-0.7mm;强化外层4中,玻璃纤维短切毡或网格布的厚度不小于3mm。耐腐蚀表面层2的内表面设有模具表面层1,包括3层,从内到外依次为1层凹凸纸,2层PET薄膜。强化外层4外表面具有涂漆层5,为固体石蜡和防止外线材料在树脂或凝胶涂层上混合后涂漆而成。
一种FRP管道制作工艺,包括如下几个步骤:
1、模具准备:在模具的模芯表面涂蜡或聚乙烯醇溶液后常温晾干;
2、模具表面层:常温晾干后在表面铺设1层凹凸纸并在凹凸纸上铺设2层PET薄膜;
3、耐腐蚀表面层:在模芯上涂乙烯基酯树脂,将玻璃纤维薄毡铺层在乙烯基酯树脂上,涂一层乙烯基酯树脂铺一层玻璃纤维薄毡,玻璃纤维与树脂的比重为10::90,耐腐蚀表面层厚度不小于2mm,单层玻璃纤维薄毡厚度为0.25-0.5mm,控制耐腐蚀表面层上直径3mm的孔每30cm2少于3个;
4、耐侵蚀中间层:在耐腐蚀表面层涂乙烯基酯树脂,将玻璃纤维短切毡铺层在乙烯基酯树脂上,涂一层乙烯基酯树脂铺一层玻璃纤维短切毡,玻璃纤维与树脂的比重为25-35:65-75,耐腐蚀表面层厚度不小于3mm,单层玻璃纤维薄毡厚度为0.6-0.7mm,制作过程中使用脱泡机清除小孔;
5、强化外层:在耐侵蚀中间层涂乙烯基酯树脂,将玻璃纤维短切毡铺层在乙烯基酯树脂上,然后再涂一层乙烯基酯树脂,接着铺一层玻璃纤维网格布,循环操作直至完成强化外层,玻璃纤维短切毡或网格布的厚度不小于3mm,玻璃纤维与树脂的比重为30-40:60-70,制作过程中使用脱泡机清除小孔;
6、上机缠绕加强层:玻璃纤维布缠绕模具,用缠绕机紧固压实,挤出气泡,甩出多余乙烯基酯树脂,然后固化修整;
7、涂漆层:固体石蜡0.2-0.4wt%和防紫外线材料0.2wt%在树脂或凝胶涂层上混合后涂漆在强化外层表面;
8、定型后,常温2-4小时硬化后脱模。
上述制备工艺中乙烯基酯树脂需满足JISK6919标准。
Claims (5)
1.一种FRP管道,其特征在于:包括三层结构:耐腐蚀表面层、耐侵蚀中间层、强化外层,耐腐蚀表面层为FRP管道内表面,其中:耐腐蚀表面层为含浸乙烯基酯树脂的玻璃纤维薄毡固化而成,玻璃纤维与树脂的比重为10::90;耐侵蚀中间层为含浸乙烯基酯树脂的玻璃纤维短切毡固化而成,玻璃纤维与树脂的比重为25-35:65-75;强化外层为含浸乙烯基酯树脂的玻璃纤维短切毡和玻璃纤维网格布交替叠层固化而成,玻璃纤维与树脂的比重为30-40:60-70。
2.根据权利要求1所述的FRP管道,其特征在于:耐腐蚀表面层厚度不小于2mm,单层玻璃纤维薄毡厚度为0.25-0.5mm;耐侵蚀中间层厚度不小于3mm,单层玻璃纤维短切毡厚度为0.6-0.7mm;强化外层中,玻璃纤维短切毡或网格布的厚度不小于3mm。
3.根据权利要求1所述的FRP管道,其特征在于:耐腐蚀表面层的内表面设有模具表面层,包括3层,从内到外依次为1层凹凸纸,2层PET薄膜。
4.根据权利要求1所述的FRP管道,其特征在于:强化外层外表面具有涂漆层,为固体石蜡和防止外线材料在树脂或凝胶涂层上混合后涂漆而成。
5.一种FRP管道制作工艺,其特征在于包括如下几个步骤:
一、模具准备:在模具的模芯表面涂蜡或聚乙烯醇溶液后常温晾干;
二、模具表面层:常温晾干后在表面铺设1层凹凸纸并在凹凸纸上铺设2层PET薄膜;
三、耐腐蚀表面层:在模芯上涂乙烯基酯树脂,将玻璃纤维薄毡铺层在乙烯基酯树脂上,涂一层乙烯基酯树脂铺一层玻璃纤维薄毡,玻璃纤维与树脂的比重为10::90,耐腐蚀表面层厚度不小于2mm,单层玻璃纤维薄毡厚度为0.25-0.5mm,控制耐腐蚀表面层上直径3mm的孔每30cm2少于3个;
四、耐侵蚀中间层:在耐腐蚀表面层涂乙烯基酯树脂,将玻璃纤维短切毡铺层在乙烯基酯树脂上,涂一层乙烯基酯树脂铺一层玻璃纤维短切毡,玻璃纤维与树脂的比重为25-35:65-75,耐腐蚀表面层厚度不小于3mm,单层玻璃纤维薄毡厚度为0.6-0.7mm,制作过程中使用脱泡机清除小孔;
五、强化外层:在耐侵蚀中间层涂乙烯基酯树脂,将玻璃纤维短切毡铺层在乙烯基酯树脂上,然后再涂一层乙烯基酯树脂,接着铺一层玻璃纤维网格布,循环操作直至完成强化外层,玻璃纤维短切毡或网格布的厚度不小于3mm,玻璃纤维与树脂的比重为30-40:60-70,制作过程中使用脱泡机清除小孔;
六、上机缠绕加强层:玻璃纤维布缠绕模具,用缠绕机紧固压实,挤出气泡,甩出多余乙烯基酯树脂,然后固化修整;
七、涂漆层:固体石蜡0.2-0.4wt%和防紫外线材料0.2wt%在树脂或凝胶涂层上混合后涂漆在强化外层表面;
八、定型后,常温2-4小时硬化后脱模。
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