CN111844942A - 一种快速成型用环氧短切碳纤维毡预浸料及其生产工艺 - Google Patents

一种快速成型用环氧短切碳纤维毡预浸料及其生产工艺 Download PDF

Info

Publication number
CN111844942A
CN111844942A CN202010743711.3A CN202010743711A CN111844942A CN 111844942 A CN111844942 A CN 111844942A CN 202010743711 A CN202010743711 A CN 202010743711A CN 111844942 A CN111844942 A CN 111844942A
Authority
CN
China
Prior art keywords
carbon fiber
framework
cloth film
rapid prototyping
epoxy
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.)
Pending
Application number
CN202010743711.3A
Other languages
English (en)
Inventor
王亚萍
王炳奎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changshu Zhuocheng New Material Technology Co Ltd
Original Assignee
Changshu Zhuocheng New Material Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Changshu Zhuocheng New Material Technology Co Ltd filed Critical Changshu Zhuocheng New Material Technology Co Ltd
Priority to CN202010743711.3A priority Critical patent/CN111844942A/zh
Publication of CN111844942A publication Critical patent/CN111844942A/zh
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • 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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
    • 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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
    • 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
    • B32B3/26—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 particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—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 particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • 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
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • 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
    • B32B37/08—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the cooling method
    • 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
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • C—CHEMISTRY; METALLURGY
    • 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
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/106—Carbon fibres, e.g. graphite fibres
    • C—CHEMISTRY; METALLURGY
    • 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
    • C08J2361/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
    • C08J2361/04—Condensation polymers of aldehydes or ketones with phenols only
    • C08J2361/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
    • C—CHEMISTRY; METALLURGY
    • 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
    • C08J2361/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
    • C08J2361/04—Condensation polymers of aldehydes or ketones with phenols only
    • C08J2361/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
    • C08J2361/08—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols with monohydric phenols
    • C08J2361/10—Phenol-formaldehyde condensates
    • C—CHEMISTRY; METALLURGY
    • 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
    • C08J2363/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
    • C—CHEMISTRY; METALLURGY
    • 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
    • C08J2379/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2361/00 - C08J2377/00
    • C08J2379/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
    • C08J2379/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • 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
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/02—Fibres or whiskers
    • C08K7/04—Fibres or whiskers inorganic
    • C08K7/06—Elements

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Composite Materials (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Reinforced Plastic Materials (AREA)
  • Laminated Bodies (AREA)

Abstract

本发明公开了一种快速成型用环氧短切碳纤维毡预浸料及其生产工艺，其中的短切碳纤维毡预浸料包括重量份为12～20的碳纤维丝、重量份为25～40份的热固性树脂、重量份为5～7份的碳纤维骨架、重量份为35～55份的铝合金骨架；其生产工艺，包括以下步骤：步骤S1：按照重量配比准备原料；步骤S2：将碳纤维丝制作成碳纤维布膜；步骤S3：将碳纤维布膜与碳纤维骨架裁切成相同尺寸的碳纤维布膜覆合料和碳纤维骨架覆合料；步骤S4：将热固性树脂进行熔融并搅拌均匀。本发明设计的环氧短切碳纤维毡预浸料加工工艺容易实现工业化生产，且制得的环氧短切碳纤维毡预浸料具备良好的机械强度要求，质量轻便可靠，不易老化，使用寿命长。

Description

一种快速成型用环氧短切碳纤维毡预浸料及其生产工艺
技术领域
本发明涉及汽车复合材料技术领域，尤其涉及一种快速成型用环氧短切碳纤维毡预浸料及其生产工艺。
背景技术
在节能环保的大环境趋势下，汽车产业的发展方向也正朝向绿色环保以及轻量化方法发展。碳纤维增强体的树脂基复合材料作为一种轻质、高强度的新型材料，具有高比强度、高机械性能、高比模量、高抗冲击能力以及高耐腐蚀能力等诸多优良的特性，综合性能超过铝合金及高强度钢，是汽车部件轻量化应用的优选材料。经检索，申请公布号为CN109181226A的中国专利公开了一种快速成型用环氧短切碳纤维毡预浸料，碳纤维毡预浸料包括重量百分比为30～50％的短切碳纤维毡，百分比为50～70％的快速固化环氧树脂组合物和多元异氰酸酯化合物增稠剂混合后得到的快速固化环氧树脂糊，该种快速成型用环氧短切碳纤维毡预浸料的生产工艺，环氧短切碳纤维毡预浸料中的碳纤维含量重量比为30～50％，力学性能与车用铝合金强度相当，并且该短切碳纤维毡预浸料无易挥发物质，满足汽车部件材料低VOC环保要求，工艺简单，有利于在汽车部件领域中的规模生产。
但是现有设计的碳纤维毡预浸料机械强度不足，使用寿命不稳定，加工工艺复杂，不利于工业化生产，因此我们提出了一种快速成型用环氧短切碳纤维毡预浸料及其生产工艺用于解决上述问题。
发明内容
基于背景技术存在的技术问题，本发明提出了一种快速成型用环氧短切碳纤维毡预浸料及其生产工艺。
本发明提出的一种快速成型用环氧短切碳纤维毡预浸料，所述短切碳纤维毡预浸料包括重量份为12～20的碳纤维丝、重量份为25～40份的热固性树脂、重量份为5～7份的碳纤维骨架、重量份为35～55份的铝合金骨架。
优选的，所述的碳纤维丝由完整碳纤维随机放置于30*30厘米的矩形框内，并经过对角线切割后制得。
优选的，所述的热固性树脂由乙烯基酯、环氧树脂、酚醛树脂、聚酰亚胺树脂中的任意两种树脂原料构成。
优选的，所述的热固性树脂的两种树脂原料配比为1：（1～3）。
优选的，所述的碳纤维骨架为网格型结构，厚度为0.3～0.6毫米，且网格最小孔径为0.8～1.2毫米。
优选的，所述的铝合金骨架的单面设置为网格型结构，厚度为0.6～0.9毫米，且网格最小孔径为1.2～1.4毫米。
本发明还提供了一种快速成型用环氧短切碳纤维毡预浸料的生产工艺，包括以下步骤：
步骤S1：按照重量配比准备碳纤维丝、热固性树脂、碳纤维骨架和铝合金骨架；
步骤S2：将步骤S1中所述的碳纤维丝通过无纺工艺制作成碳纤维布膜；
步骤S3：将步骤S2中制得的碳纤维布膜与碳纤维骨架裁切成相同尺寸的碳纤维布膜覆合料和碳纤维骨架覆合料；
步骤S4：将步骤S1中所述的热固性树脂进行熔融并搅拌均匀，得到树脂溶液，备用；
步骤S5：将步骤S4中所述的树脂溶液刷涂到步骤S3中所述的碳纤维骨架覆合料表面，然后再将步骤S3中所述的碳纤维布膜覆合料贴附在碳纤维骨架覆合料表面，如此循环，得到碳纤维布膜与碳纤维骨架覆合层；
步骤S6：在步骤S5中所述的碳纤维布膜与碳纤维骨架覆合层表面刷涂树脂溶液后，再将步骤S1中的两个铝合金骨架的网格型表面分别贴附在碳纤维布膜与碳纤维骨架覆合层表面，得到胚料；
步骤S7：对步骤S6中所述的胚料进行加热冲压，冷却成型后得到所述的环氧短切碳纤维毡预浸料。
优选的，所述步骤S3中，碳纤维布膜覆合料和碳纤维骨架覆合料的数量一致并为2～3层。
优选的，所述步骤S5中，所述的碳纤维布膜覆合料与碳纤维骨架覆合料交替覆合1～2次。
优选的，所述步骤S7中，所述的胚料在5～15帕的低压环境进行加热至175～185摄氏度进行冲压，且冲压压力为1200～1500N。
本发明中所述的一种快速成型用环氧短切碳纤维毡预浸料及其生产工艺的有益效果是：
（1）通过将碳纤维丝置于矩形框内并进行对角线裁切，可将较长的碳纤维丝制成长短不一的短切碳纤维丝，再经过无纺工艺制成碳纤维布膜，将制成的碳纤维布膜与碳纤维骨架交错贴附在一起，并在贴合面上刷涂热固性树脂溶液，形成碳纤维布膜与碳纤维骨架覆合层，使得碳纤维布膜与碳纤维骨架紧密贴合在一起；
（2）通过在碳纤维布膜与碳纤维骨架覆合层表面刷涂热固性树脂溶液后，将铝合金骨架的网格型表面贴合在碳纤维布膜与碳纤维骨架覆合层的两面，可形成铝合金骨架-碳纤维布膜与碳纤维骨架覆合层-铝合金骨架的三层夹层结构，再经过趋近于真空的加热冲压，使得热固性树脂溶液与各部分夹层充分贴合，并挤压出其中的气泡，经过加热后再逐渐冷却降温，树脂溶液部分逐渐固化，各部分夹层紧密贴合形成环氧短切碳纤维毡预浸料
本发明设计的环氧短切碳纤维毡预浸料加工工艺容易实现工业化生产，且制得的环氧短切碳纤维毡预浸料具备良好的机械强度要求，质量轻便可靠，不易老化，使用寿命长。
具体实施方式
下面结合具体实施例对本发明作进一步解说。
实施例一
一种快速成型用环氧短切碳纤维毡预浸料，所述短切碳纤维毡预浸料包括重量份为12的碳纤维丝、重量份为25份的热固性树脂、重量份为5份的碳纤维骨架、重量份为35份的铝合金骨架。
本实施例中，碳纤维丝由完整碳纤维随机放置于30*30厘米的矩形框内，并经过对角线切割后制得，热固性树脂由乙烯基酯、环氧树脂、酚醛树脂、聚酰亚胺树脂中的任意两种树脂原料构成。
本实施例中，热固性树脂的两种树脂原料配比为1：1，碳纤维骨架为网格型结构，厚度为0.3毫米，且网格最小孔径为0.8毫米，铝合金骨架的单面设置为网格型结构，厚度为0.6毫米，且网格最小孔径为1.2毫米。
本实施例中还提供了一种快速成型用环氧短切碳纤维毡预浸料的生产工艺，包括以下步骤：
步骤S1：按照重量配比准备碳纤维丝、热固性树脂、碳纤维骨架和铝合金骨架；
步骤S2：将步骤S1中所述的碳纤维丝通过无纺工艺制作成碳纤维布膜；
步骤S3：将步骤S2中制得的碳纤维布膜与碳纤维骨架裁切成相同尺寸的碳纤维布膜覆合料和碳纤维骨架覆合料；
步骤S4：将步骤S1中所述的热固性树脂进行熔融并搅拌均匀，得到树脂溶液，备用；
步骤S5：将步骤S4中所述的树脂溶液刷涂到步骤S3中所述的碳纤维骨架覆合料表面，然后再将步骤S3中所述的碳纤维布膜覆合料贴附在碳纤维骨架覆合料表面，如此循环，得到碳纤维布膜与碳纤维骨架覆合层；
步骤S6：在步骤S5中所述的碳纤维布膜与碳纤维骨架覆合层表面刷涂树脂溶液后，再将步骤S1中的两个铝合金骨架的网格型表面分别贴附在碳纤维布膜与碳纤维骨架覆合层表面，得到胚料；
步骤S7：对步骤S6中所述的胚料进行加热冲压，冷却成型后得到所述的环氧短切碳纤维毡预浸料。
本实施例中，步骤S3中，碳纤维布膜覆合料和碳纤维骨架覆合料的数量一致并为2层，步骤S5中，碳纤维布膜覆合料与碳纤维骨架覆合料交替覆合2次，步骤S7中，胚料在5帕的低压环境进行加热至175～185摄氏度进行冲压，且冲压压力为1200N。
实施例二
一种快速成型用环氧短切碳纤维毡预浸料，所述短切碳纤维毡预浸料包括重量份为16的碳纤维丝、重量份为30份的热固性树脂、重量份为6份的碳纤维骨架、重量份为40份的铝合金骨架。
本实施例中，碳纤维丝由完整碳纤维随机放置于30*30厘米的矩形框内，并经过对角线切割后制得，热固性树脂由乙烯基酯、环氧树脂、酚醛树脂、聚酰亚胺树脂中的任意两种树脂原料构成。
本实施例中，热固性树脂的两种树脂原料配比为1：2，碳纤维骨架为网格型结构，厚度为0.4毫米，且网格最小孔径为1毫米，铝合金骨架的单面设置为网格型结构，厚度为0.8毫米，且网格最小孔径为1.3毫米。
本实施例中还提供了一种快速成型用环氧短切碳纤维毡预浸料的生产工艺，包括以下步骤：
步骤S1：按照重量配比准备碳纤维丝、热固性树脂、碳纤维骨架和铝合金骨架；
步骤S2：将步骤S1中所述的碳纤维丝通过无纺工艺制作成碳纤维布膜；
步骤S3：将步骤S2中制得的碳纤维布膜与碳纤维骨架裁切成相同尺寸的碳纤维布膜覆合料和碳纤维骨架覆合料；
步骤S4：将步骤S1中所述的热固性树脂进行熔融并搅拌均匀，得到树脂溶液，备用；
步骤S5：将步骤S4中所述的树脂溶液刷涂到步骤S3中所述的碳纤维骨架覆合料表面，然后再将步骤S3中所述的碳纤维布膜覆合料贴附在碳纤维骨架覆合料表面，如此循环，得到碳纤维布膜与碳纤维骨架覆合层；
步骤S6：在步骤S5中所述的碳纤维布膜与碳纤维骨架覆合层表面刷涂树脂溶液后，再将步骤S1中的两个铝合金骨架的网格型表面分别贴附在碳纤维布膜与碳纤维骨架覆合层表面，得到胚料；
步骤S7：对步骤S6中所述的胚料进行加热冲压，冷却成型后得到所述的环氧短切碳纤维毡预浸料。
本实施例中，步骤S3中，碳纤维布膜覆合料和碳纤维骨架覆合料的数量一致并为3层，步骤S5中，碳纤维布膜覆合料与碳纤维骨架覆合料交替覆合1次，步骤S7中，胚料在10帕的低压环境进行加热至180摄氏度进行冲压，且冲压压力为1300N。
实施例三
一种快速成型用环氧短切碳纤维毡预浸料，所述短切碳纤维毡预浸料包括重量份为20的碳纤维丝、重量份为40份的热固性树脂、重量份为7份的碳纤维骨架、重量份为55份的铝合金骨架。
本实施例中，碳纤维丝由完整碳纤维随机放置于30*30厘米的矩形框内，并经过对角线切割后制得，热固性树脂由乙烯基酯、环氧树脂、酚醛树脂、聚酰亚胺树脂中的任意两种树脂原料构成。
本实施例中，热固性树脂的两种树脂原料配比为1：3，碳纤维骨架为网格型结构，厚度为0.6毫米，且网格最小孔径为1.2毫米，铝合金骨架的单面设置为网格型结构，厚度为0.9毫米，且网格最小孔径为1.4毫米。
本实施例中还提供了一种快速成型用环氧短切碳纤维毡预浸料的生产工艺，包括以下步骤：
步骤S1：按照重量配比准备碳纤维丝、热固性树脂、碳纤维骨架和铝合金骨架；
步骤S2：将步骤S1中所述的碳纤维丝通过无纺工艺制作成碳纤维布膜；
步骤S3：将步骤S2中制得的碳纤维布膜与碳纤维骨架裁切成相同尺寸的碳纤维布膜覆合料和碳纤维骨架覆合料；
步骤S4：将步骤S1中所述的热固性树脂进行熔融并搅拌均匀，得到树脂溶液，备用；
步骤S5：将步骤S4中所述的树脂溶液刷涂到步骤S3中所述的碳纤维骨架覆合料表面，然后再将步骤S3中所述的碳纤维布膜覆合料贴附在碳纤维骨架覆合料表面，如此循环，得到碳纤维布膜与碳纤维骨架覆合层；
步骤S6：在步骤S5中所述的碳纤维布膜与碳纤维骨架覆合层表面刷涂树脂溶液后，再将步骤S1中的两个铝合金骨架的网格型表面分别贴附在碳纤维布膜与碳纤维骨架覆合层表面，得到胚料；
步骤S7：对步骤S6中所述的胚料进行加热冲压，冷却成型后得到所述的环氧短切碳纤维毡预浸料。
本实施例中，步骤S3中，碳纤维布膜覆合料和碳纤维骨架覆合料的数量一致并为3层，步骤S5中，碳纤维布膜覆合料与碳纤维骨架覆合料交替覆合2次，步骤S7中，胚料在15帕的低压环境进行加热至185摄氏度进行冲压，且冲压压力为1500N。
对实施例一至三制得的环氧短切碳纤维毡预浸料进行性能测试，测试结果如下：拉伸强度大于190Mpa，拉伸模量大于20.5Gpa，弯曲强度大于380Mpa，弯曲模量大于22Gp。
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，根据本发明的技术方案及其发明构思加以等同替换或改变，都应涵盖在本发明的保护范围之内。

Claims (10)

1.一种快速成型用环氧短切碳纤维毡预浸料，其特征在于，所述短切碳纤维毡预浸料包括重量份为12～20的碳纤维丝、重量份为25～40份的热固性树脂、重量份为5～7份的碳纤维骨架、重量份为35～55份的铝合金骨架。
2.根据权利要求1所述的一种快速成型用环氧短切碳纤维毡预浸料，其特征在于，所述的碳纤维丝由完整碳纤维随机放置于30*30厘米的矩形框内，并经过对角线切割后制得。
3.根据权利要求1所述的一种快速成型用环氧短切碳纤维毡预浸料，其特征在于，所述的热固性树脂由乙烯基酯、环氧树脂、酚醛树脂、聚酰亚胺树脂中的任意两种树脂原料构成。
4.根据权利要求3所述的一种快速成型用环氧短切碳纤维毡预浸料，其特征在于，所述的热固性树脂的两种树脂原料配比为1：（1～3）。
5.根据权利要求1所述的一种快速成型用环氧短切碳纤维毡预浸料，其特征在于，所述的碳纤维骨架为网格型结构，厚度为0.3～0.6毫米，且网格最小孔径为0.8～1.2毫米。
6.根据权利要求1所述的一种快速成型用环氧短切碳纤维毡预浸料，其特征在于，所述的铝合金骨架的单面设置为网格型结构，厚度为0.6～0.9毫米，且网格最小孔径为1.2～1.4毫米。
7.根据权利要求1-6任一所述的一种快速成型用环氧短切碳纤维毡预浸料的生产工艺，其特征在于，包括以下步骤：
步骤S1：按照重量配比准备碳纤维丝、热固性树脂、碳纤维骨架和铝合金骨架；
步骤S2：将步骤S1中所述的碳纤维丝通过无纺工艺制作成碳纤维布膜；
步骤S3：将步骤S2中制得的碳纤维布膜与碳纤维骨架裁切成相同尺寸的碳纤维布膜覆合料和碳纤维骨架覆合料；
步骤S4：将步骤S1中所述的热固性树脂进行熔融并搅拌均匀，得到树脂溶液，备用；
步骤S5：将步骤S4中所述的树脂溶液刷涂到步骤S3中所述的碳纤维骨架覆合料表面，然后再将步骤S3中所述的碳纤维布膜覆合料贴附在碳纤维骨架覆合料表面，如此循环，得到碳纤维布膜与碳纤维骨架覆合层；
步骤S6：在步骤S5中所述的碳纤维布膜与碳纤维骨架覆合层表面刷涂树脂溶液后，再将步骤S1中的两个铝合金骨架的网格型表面分别贴附在碳纤维布膜与碳纤维骨架覆合层表面，得到胚料；
步骤S7：对步骤S6中所述的胚料进行加热冲压，冷却成型后得到所述的环氧短切碳纤维毡预浸料。
8.根据权利要求7所述的一种快速成型用环氧短切碳纤维毡预浸料的生产工艺，其特征在于，所述步骤S3中，碳纤维布膜覆合料和碳纤维骨架覆合料的数量一致并为2～3层。
9.根据权利要求7所述的一种快速成型用环氧短切碳纤维毡预浸料的生产工艺，其特征在于，所述步骤S5中，所述的碳纤维布膜覆合料与碳纤维骨架覆合料交替覆合1～2次。
10.根据权利要求7所述的一种快速成型用环氧短切碳纤维毡预浸料的生产工艺，其特征在于，所述步骤S7中，所述的胚料在5～15帕的低压环境进行加热至175～185摄氏度进行冲压，且冲压压力为1200～1500N。
CN202010743711.3A 2020-07-29 2020-07-29 一种快速成型用环氧短切碳纤维毡预浸料及其生产工艺 Pending CN111844942A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010743711.3A CN111844942A (zh) 2020-07-29 2020-07-29 一种快速成型用环氧短切碳纤维毡预浸料及其生产工艺

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010743711.3A CN111844942A (zh) 2020-07-29 2020-07-29 一种快速成型用环氧短切碳纤维毡预浸料及其生产工艺

Publications (1)

Publication Number Publication Date
CN111844942A true CN111844942A (zh) 2020-10-30

Family

ID=72945502

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010743711.3A Pending CN111844942A (zh) 2020-07-29 2020-07-29 一种快速成型用环氧短切碳纤维毡预浸料及其生产工艺

Country Status (1)

Country Link
CN (1) CN111844942A (zh)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5366831A (en) * 1976-11-26 1978-06-14 Toho Beslon Co Carbon fiber reinforced metal complex material preeplague and its preparation
FR2939762A1 (fr) * 2008-12-15 2010-06-18 Eads Europ Aeronautic Defence Piece d'aeronef en materiau composite a protection contre les effets de la foudre en aluminium.
CN105882059A (zh) * 2015-01-26 2016-08-24 三鼎材料科技股份有限公司 以金属细网加强复合材料的结构
CN206537490U (zh) * 2016-11-23 2017-10-03 安徽佳力奇碳纤维科技股份公司 整流罩用碳纤维复合材料型材及整流罩漏水口封边组件

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5366831A (en) * 1976-11-26 1978-06-14 Toho Beslon Co Carbon fiber reinforced metal complex material preeplague and its preparation
FR2939762A1 (fr) * 2008-12-15 2010-06-18 Eads Europ Aeronautic Defence Piece d'aeronef en materiau composite a protection contre les effets de la foudre en aluminium.
CN105882059A (zh) * 2015-01-26 2016-08-24 三鼎材料科技股份有限公司 以金属细网加强复合材料的结构
CN206537490U (zh) * 2016-11-23 2017-10-03 安徽佳力奇碳纤维科技股份公司 整流罩用碳纤维复合材料型材及整流罩漏水口封边组件

Similar Documents

Publication Publication Date Title
US11584835B2 (en) Laminated substrate and method for manufacturing the same
WO2020071417A1 (ja) 複合材料製航空機用部品およびその製造方法
EP0047229B1 (de) Herstellung von gekrümmten steifen Formteilen
KR950007550B1 (ko) 샌드위치 구조물로 부터 일정한 형상의 부품을 제작하는 방법(A Method of making a shaped article from a sandwich construction)
CN114290766A (zh) 一种汽车发动机减震吸音隔音垫及其制备方法
CN114872386B (zh) 一种非对称飞机地板及其制备方法
DE102015102412A1 (de) Verbundstoff-Schaummaterial und Verfahren zum Herstellen und Verwenden desselben
CN111844942A (zh) 一种快速成型用环氧短切碳纤维毡预浸料及其生产工艺
CN112140584A (zh) 一种改善碳纤维结构件力学性能的方法
DE112012003520T5 (de) Ein Verfahren zum Herstellen eines Verbundmaterials, und ein Brett hergestellt aus diesem Verbundmaterial
JP2019143021A (ja) 炭素繊維強化熱可塑性樹脂複合材料の製造方法
CN114929788A (zh) 纤维增强热塑性复合材料及其制备方法
JP2004306607A (ja) 着色パネル組立部品
KR20190079109A (ko) 현무암 섬유를 포함하는 보트용 복합재의 제조 방법, 및 이를 이용하여 제조된 보트
CN111844947A (zh) 一种新型设备舱板及其制备方法
CN108312656B (zh) 防撞梁用碳纤维复合材料及其制备方法
CN102765229B (zh) 复合塑料布、其应用和应用方法
CN114889272A (zh) 一种低成本的柔性光伏组件及其制备方法
CN115581060A (zh) 一种宽频吸波材料及其制备方法
CN105291491B (zh) 用于形成增强型蜂窝结构的薄板层及蜂窝结构的制备方法
CN213006894U (zh) 一种新型设备舱板
CN110951217A (zh) 一种芳纶纤维增强碳纤维树脂预浸料及其制备方法
KR20180031509A (ko) 샌드위치 패널용 심재, 샌드위치 패널 및 샌드위치 패널의 제조방법
CN111391438A (zh) 一种轻质高强度三明治板及其制备方法
CN113059824B (zh) 一种纤维增强热塑性树脂基复合材料及其制备方法和应用

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
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20201030