CN107129632A - A kind of jute fiber reinforced polypropylene automotive upholstery injection moulding process - Google Patents

A kind of jute fiber reinforced polypropylene automotive upholstery injection moulding process Download PDF

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Publication number
CN107129632A
CN107129632A CN201710413550.XA CN201710413550A CN107129632A CN 107129632 A CN107129632 A CN 107129632A CN 201710413550 A CN201710413550 A CN 201710413550A CN 107129632 A CN107129632 A CN 107129632A
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China
Prior art keywords
flaxen fiber
moulding process
injection moulding
automotive upholstery
reinforced polypropylene
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Pending
Application number
CN201710413550.XA
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Chinese (zh)
Inventor
查国东
储振亚
储亮
李云雷
查卫东
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Yuexi County Tongxing Nylon Rubber Products Co Ltd
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Yuexi County Tongxing Nylon Rubber Products Co Ltd
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Application filed by Yuexi County Tongxing Nylon Rubber Products Co Ltd filed Critical Yuexi County Tongxing Nylon Rubber Products Co Ltd
Priority to CN201710413550.XA priority Critical patent/CN107129632A/en
Publication of CN107129632A publication Critical patent/CN107129632A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • 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
    • C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
    • C08J5/06—Reinforcing macromolecular compounds with loose or coherent fibrous material using pretreated fibrous materials
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/46—Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic System; Titanates; Zirconates; Stannates; Plumbates
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/77—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof
    • D06M11/79—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof with silicon dioxide, silicic acids or their salts
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D06M15/03—Polysaccharides or derivatives thereof
    • D06M15/05—Cellulose or derivatives thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
    • 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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/10—Homopolymers or copolymers of propene
    • C08J2323/12—Polypropene
    • 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
    • C08J2497/00—Characterised by the use of lignin-containing materials
    • C08J2497/02—Lignocellulosic material, e.g. wood, straw or bagasse
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • 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
    • C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/16—Fibres; Fibrils
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/02—Natural fibres, other than mineral fibres
    • D06M2101/04—Vegetal fibres
    • D06M2101/06—Vegetal fibres cellulosic
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/25—Resistance to light or sun, i.e. protection of the textile itself as well as UV shielding materials or treatment compositions therefor; Anti-yellowing treatments
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/35—Abrasion, pilling or fibrillation resistance
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids

Abstract

The present invention provides a kind of jute fiber reinforced polypropylene automotive upholstery injection moulding process, the present invention is filled with porous nanometer grade silica in flaxen fiber surface and hole, titanium dioxide and nanocrystal cellulose, so that the toughness of flaxen fiber, sun-resistant property is improved, improved simultaneously with polyacrylic compatibility, so that the intensity of material is improved after injection, durability is improved, it is sun-resistant, it is easy to clean, antibacterial, it is wear-resisting, by the way that flaxen fiber and polypropylene are first molded into bar, it is molded again again, so that the anisotropy of flaxen fiber is eliminated, improve the dimensional stability of note gadget.

Description

A kind of jute fiber reinforced polypropylene automotive upholstery injection moulding process
Technical field
The present invention relates to injection molding technology field, more particularly to a kind of jute fiber reinforced polypropylene automotive upholstery injection side Method.
Background technology
Recently as sharply increasing for automobile production amount and recoverable amount, resource and environmental problem become increasingly conspicuous, and automobile is light Quantify and environmental protection turns into current developing direction and study hotspot.Increasing automobile production commercial composite substitutes biography The automotive material of system reaches the purpose for saving the energy and reduction disposal of pollutants to realize the lightweight of automobile.Especially use flaxen fiber The enhancing composite of preparation by its density is small, intensity is big, mechanical property good and with it is renewable, degradable, recyclable, Lower-price characteristic is received significant attention, and the flaxen fiber enhancing produced by reinforcing material of ramie, jute and flax is compound Material has obtained the accreditation of automobile industry, therefore preparing automotive material with flaxen fiber enhancing composite has important research to anticipate Justice.《Jute fiber reinforced polypropylene automotive upholstery injection molding research based on Moldflow》Flaxen fiber enhancing is described first The development of composite material process planning species and progress and simulation of injection molding technology, elaborates injection molding Basic process and involved modelling are theoretical, and simulation-analysis software Moldflow and its modules function are introduced. Secondly using polypropylene as matrix material, natural ramie fiber is reinforcing material, and automobile inside gadget is research object, and is used Moldflow software analog simulation injection molding processes strengthen composite to prepare flaxen fiber.Built by three-dimensional graphics software Automotive trim part model figure, imports Moldflow softwares to interior and carries out mesh generation, diagnosis and repair, select forming material Expect and fiber parameters setting is carried out to flaxen fiber, according to the design principle of running gate system, initial setting gate location;Using classics The mode that mathematical modeling and software sunykatuib analysis are combined designs flow passage system, and is verified with relevant shear speed;Using Gate location and flow passage system analysis by synthesis method determine gate location;According to the design principle of cooling system, pass through theoretical calculation Cooling system is created, and cooling system is optimized for the particularity of product.Again with total buckling deformation amount of product and Shrink mark is index, with technological parameter (including melt temperature, mold temperature, loading time, the pressurize pressure in injection molding process Power) it is factor, each factor takes three level design orthogonal tests and applies the sunykatuib analysis one by one of Moldflow softwares, according to each Parts quality draws optimal injection-mold process parameter under the influence degree of factors on test indicators and each level;Optimal injection Under molding technique parameter, simulation of injection molding is carried out to product, the optimal buckling deformation amount and shrink mark of product is obtained, it is ensured that obtain Parts quality it is optimal;Fibre Orientation is carried out to the product under optimal injection-mold process parameter, the mechanics of product is predicted Performance.
Due to flaxen fiber and polyacrylic poor compatibility, easily degraded, sun-resistant property difference is, it is necessary to improve.
The content of the invention
The object of the invention is exactly that there is provided a kind of jute fiber reinforced polypropylene automotive trim in order to make up the defect of prior art Part injection moulding process.
The present invention is achieved by the following technical solutions：
A kind of jute fiber reinforced polypropylene automotive upholstery injection moulding process, step is：
（1）Flaxen fiber is combed, shears, obtains chopped fiber；
（2）Tetraethyl orthosilicate by volume：Butyl titanate：Absolute ethyl alcohol：Hydrochloric acid：Deionized water=25-27:21-23:121- 128：0.9-1:2.7-2.9 weighings, are mixed into A liquid, positive silicon by butyl titanate, tetraethyl orthosilicate, absolute ethyl alcohol at room temperature Acetoacetic ester：Absolute ethyl alcohol is 25 by volume：80-85, by hydrochloric acid：Absolute ethyl alcohol：Deionized water by volume 1:40-41:3- 3.2 are mixed into B liquid；
（3）B drops are added in A liquid while stirring, drop speed is dripped for the 4-6 seconds 1, is stirred 1.3-1.6 hours after completion of dropping, then past Nanocrystal cellulose, nanocrystal cellulose are added in mixed solution：Tetraethyl orthosilicate mass ratio is 1-1.2：6-6.5, is stirred Mix 0.5-0.7 hours；
（4）Flaxen fiber is added, is stirred, is filtered, dries, is impregnated repeatedly to flaxen fiber in supercritical carbon dioxide environment The mass percent for loading material is 10-15%, obtains being modified flaxen fiber；
（5）Modified flaxen fiber is well mixed with polypropylene, injection machine injection molding is sent into, produces.
Flaxen fiber shearing obtains length for 500-1000 μm.
Step（3）Mixing speed is 250-300 revs/min.
Drying temperature is 48-52 DEG C in supercritical carbon dioxide environment.
In step（5）Modified flaxen fiber is well mixed with polypropylene, feeding injection machine is molded into bar, cuts off, then Send into injection machine injection molding again.
It is an advantage of the invention that：The present invention be filled with flaxen fiber surface and hole porous nanometer grade silica, Titanium dioxide and nanocrystal cellulose so that the toughness of flaxen fiber, sun-resistant property are improved, at the same with it is polyacrylic compatible Property improve so that the intensity of material is improved after injection, and durability is improved, and sun-resistant, easy to clean, antibacterial is wear-resisting, by will fiber crops it is fine Dimension is first molded into bar with polypropylene, then is molded again so that the anisotropy of flaxen fiber is eliminated, and improves note gadget Dimensional stability.
Embodiment
A kind of jute fiber reinforced polypropylene automotive upholstery injection moulding process, step is：
（1）Flaxen fiber is combed, shears, obtains chopped fiber；
（2）Tetraethyl orthosilicate by volume：Butyl titanate：Absolute ethyl alcohol：Hydrochloric acid：Deionized water=25:21:124：0.9:2.8 Weighing, is mixed into A liquid, tetraethyl orthosilicate by butyl titanate, tetraethyl orthosilicate, absolute ethyl alcohol at room temperature：Absolute ethyl alcohol is pressed Volume ratio is 25：80, by hydrochloric acid：Absolute ethyl alcohol：Deionized water by volume 1:41:3 are mixed into B liquid；
（3）B drops are added in A liquid while stirring, drop speed was dripped for 4 seconds 1, was stirred 1.5 hours after completion of dropping, then it is molten toward mixing Nanocrystal cellulose, nanocrystal cellulose are added in liquid：Tetraethyl orthosilicate mass ratio is 1：6, stir 0.5 hour；
（4）Flaxen fiber is added, is stirred, is filtered, dries, is impregnated repeatedly to flaxen fiber in supercritical carbon dioxide environment The mass percent for loading material is 10%, obtains being modified flaxen fiber；
（5）Modified flaxen fiber is well mixed with polypropylene, injection machine injection molding is sent into, produces.
Flaxen fiber shearing obtains length for 500-1000 μm.
Step（3）Mixing speed is 280 revs/min.
Drying temperature is 50 DEG C in supercritical carbon dioxide environment.
In step（5）Modified flaxen fiber is well mixed with polypropylene, feeding injection machine is molded into bar, cuts off, then Send into injection machine injection molding again.

Claims (5)

1. a kind of jute fiber reinforced polypropylene automotive upholstery injection moulding process, it is characterised in that step is：
（1）Flaxen fiber is combed, shears, obtains chopped fiber；
（2）Tetraethyl orthosilicate by volume：Butyl titanate：Absolute ethyl alcohol：Hydrochloric acid：Deionized water=25-27:21-23:121- 128：0.9-1:2.7-2.9 weighings, are mixed into A liquid, positive silicon by butyl titanate, tetraethyl orthosilicate, absolute ethyl alcohol at room temperature Acetoacetic ester：Absolute ethyl alcohol is 25 by volume：80-85, by hydrochloric acid：Absolute ethyl alcohol：Deionized water by volume 1:40-41:3- 3.2 are mixed into B liquid；
（3）B drops are added in A liquid while stirring, drop speed is dripped for the 4-6 seconds 1, is stirred 1.3-1.6 hours after completion of dropping, then past Nanocrystal cellulose, nanocrystal cellulose are added in mixed solution：Tetraethyl orthosilicate mass ratio is 1-1.2：6-6.5, is stirred Mix 0.5-0.7 hours；
（4）Flaxen fiber is added, is stirred, is filtered, dries, is impregnated repeatedly to flaxen fiber in supercritical carbon dioxide environment The mass percent for loading material is 10-15%, obtains being modified flaxen fiber；
（5）Modified flaxen fiber is well mixed with polypropylene, injection machine injection molding is sent into, produces.
2. jute fiber reinforced polypropylene automotive upholstery injection moulding process as claimed in claim 1, it is characterised in that flaxen fiber is sheared Length is obtained for 500-1000 μm.
3. jute fiber reinforced polypropylene automotive upholstery injection moulding process as claimed in claim 1, it is characterised in that step（3）Stir Speed is mixed for 250-300 revs/min.
4. jute fiber reinforced polypropylene automotive upholstery injection moulding process as claimed in claim 1, it is characterised in that overcritical two Drying temperature is 48-52 DEG C in carbonoxide environment.
5. jute fiber reinforced polypropylene automotive upholstery injection moulding process as claimed in claim 1, it is characterised in that in step（5） Modified flaxen fiber is well mixed with polypropylene, feeding injection machine is molded into bar, cuts off, is re-fed into injection machine and is molded again Shaping.
CN201710413550.XA 2017-06-05 2017-06-05 A kind of jute fiber reinforced polypropylene automotive upholstery injection moulding process Pending CN107129632A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210371604A1 (en) * 2020-05-28 2021-12-02 Ford Global Technologies, Llc Post-harvest method for natural fiber nanoparticle reinforcement using supercritical fluids
CN115322507A (en) * 2022-08-12 2022-11-11 江苏江龙汽车***有限公司 Ultra-low energy consumption automobile interior trim part and production process thereof

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
中国航空学会: "《"探索 创新 交流-中国航空学会青年科技论坛文集"，中国航空学会主编，第689-694页，航空工业出版社，2004年7月第1版第1次印刷》", 31 July 2004, 航空工业出版社 *
韩海山等: "剑麻纤维增强聚丙烯复合材料的制备及性能研究", 《工程塑料应用》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210371604A1 (en) * 2020-05-28 2021-12-02 Ford Global Technologies, Llc Post-harvest method for natural fiber nanoparticle reinforcement using supercritical fluids
US11623978B2 (en) * 2020-05-28 2023-04-11 Ford Global Technologies, Llc Post-harvest method for natural fiber nanoparticle reinforcement using supercritical fluids
CN115322507A (en) * 2022-08-12 2022-11-11 江苏江龙汽车***有限公司 Ultra-low energy consumption automobile interior trim part and production process thereof

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Application publication date: 20170905