CN106700198A - Glass fiber wet mat modified thermoplastic plastic and preparation method thereof - Google Patents
Glass fiber wet mat modified thermoplastic plastic and preparation method thereof Download PDFInfo
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- CN106700198A CN106700198A CN201611038428.0A CN201611038428A CN106700198A CN 106700198 A CN106700198 A CN 106700198A CN 201611038428 A CN201611038428 A CN 201611038428A CN 106700198 A CN106700198 A CN 106700198A
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- glass fiber
- modified thermoplastic
- fiber wet
- wet mat
- mat modified
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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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- 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
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/541—Silicon-containing compounds containing oxygen
- C08K5/5435—Silicon-containing compounds containing oxygen containing oxygen in a ring
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- 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
- C08K7/14—Glass
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
The invention relates to the technical field of plastic modification, in particular to glass fiber wet mat modified thermoplastic plastic and a preparation method thereof. A glass fiber wet mat is adopted as a reinforcing material, a banburying process is adopted for preparing a composite, glass fibers are evenly distributed in a material in a three-dimensional mode, and an isotropous industrial product is produced. Compared with glass fiber wet mat modified thermoplastic plastic in the prior art, the forming mode and the fiber distribution mode of the plastic are completely different from those of the glass fiber wet mat modified thermoplastic plastic in the prior art. The industrial product is high in tensile strength, bending strength and impact strength, excellent in mechanical property, short in manufacturing period, and capable of being repeatedly processed and regenerated. Meanwhile, multiple preparation processes are adopted, the environment-friendly glass fiber wet mat modified thermoplastic plastic low in energy consumption and excellent in mechanical property is produced, and the plastic can be processed into various industrial products according to actual needs through the process of injection molding or mould pressing and other processes.
Description
Technical field
The invention belongs to plastics modification technology field, and in particular to a kind of glass fiber wet mat modified thermoplastic
And preparation method thereof.
Background technology
Glass fiber wet mat is that the glass fibre of 3~24mm of fixed length is formed through wet processing emulsion binder bonding
Felt sheet-like nonwoven fiberglass product, the felted thing that to be glass felt be made with Lauxite of wet method.Glass fiber wet mat
With advantages such as surfacing, low grammes per square metres, it is widely used in enhancing pitch construction material, glass fiber reinforced plastics composite material, battery
The multiple fields such as dividing plate and printed circuit board.
Patent CN1123014A discloses a kind of method for manufacturing the enhanced thermoplastic plate of glass mat.In the method
In, with a kind of thermoplastic resin melt impregnation glass mat, and the complex of this glass mat is then suppressed, wherein, extremely
A few glass mat is moved by the die gap of dipping spray nozzle, and adjustable ground supplies thermoplastic to glass mat
Melt, is coated in above glass mat and following in die gap exit, carries out the pre-preg of glass mat, it
Afterwards, the glass mat of pre-preg is moved into simultaneously pre-calibration in the front opening of double belt press, and then by means of cold
But plate is compressed into the enhanced thermoplastic plate of glass mat under stress.The patent improves thermoplastic resin dipping
The uniformity coefficient of glass felt so that the preparation of thermoplastic sheet is easier to implement, reducing energy consumption.But in glass mat
During glass fibre is present in product sheet material in the form of the bidimensional form.
Patent CN1204280A discloses the composite board being made up of a kind of mouldable resin and reinforcing fiber, wherein, tree
Fat is thermoplastic resin, thermosetting resin or its mixture, and reinforcing fiber is the fiber being centrifuged with rotary process fiberizer.Per milli
The thick composite board of rice has at least five layers obvious reinforcing fiber layer.The composite board uses compression molding, has at least ten layers simultaneously
And preferably 30 layers obvious reinforcing fiber layer.At least 85% reinforcing fiber is monofilament, and reinforcing fiber is mineral wool
Down Fiber.Reinforcing material glass fibre in the patent is distributed in the composite with Two-dimensional morphology, and the content of fiber exists
20~50%.
Patent CN105315620A discloses a kind of epoxy resin enhancing lamination insulated type material and its preparation technology, prepares step
Suddenly include：A, epoxy resin, curing agent, accelerator, wetting dispersing agent and solvent are mixed to prepare solution, Ran Houjia according to proportioning
Enter fire retardant and obtain modified polymer solution；B, the reinforcing materials such as glass mat are immersed in the modified poly that step A is obtained
Prepreg is made in thing solution；C, step B is obtained prepreg cut, laying, feed in particular manufacturing craft, using press
Turn into variously-shaped section bar through hot pressing；Discharging and checked after the section bar that D, cooling step C are obtained, be finally processed as finished product.Should
The conventional epoxies lamination insulation section bar mechanical property that method is solved in current technology is poor, and tensile strength, bending strength are low,
Do not possess arc resistance and proof tracking.But preparing prepreg needs for fibrofelt to be immersed in substantial amounts of Polymer Solution
In, it is necessary to use substantial amounts of organic solvent, do not meet the requirement of environmental protection, and epoxy resin is thermosetting resin, its base
Body have toughness deficiency, poor humidity resistance, not reproducible processing, can not the defect such as recycling.
At present, need badly and develop a kind of modified thermoplastic with glass fiber wet mat as reinforcement of excellent in mechanical performance
Plastics.
The content of the invention
It is an object of the invention to provide a kind of glass fiber wet mat modified thermoplastic of excellent in mechanical performance, draw
Stretch that intensity, bending strength, impact strength are high, the manufacturing cycle is short, can repeat to process and regenerate；Prepared present invention simultaneously provides it
Method.
Glass fiber wet mat modified thermoplastic of the present invention, be with glass fiber wet mat be enhancing
Body, with thermoplastic as matrix, is kneaded using banburying process, obtains molten material, and glass fibre is obtained after shaping
Wet method mat modified thermoplastic.
Wherein：
On the basis of glass fiber wet mat modified thermoplastic gross weight, the content of glass fiber wet mat is
10~80wt%.
Described thermoplastic is polyethylene, polypropylene, polyvinyl chloride, polystyrene, polyamide, makrolon, poly-
Ether ether ketone or PEKK.
The temperature of described banburying process is 100~450 DEG C, and the time is 5~40min, and rotor speed is 10~100r/
min.Banburying process parameter changing with matrix resin species and differing.
When being mixed using banburying process, maleic anhydride stem grafting polyolefin compatilizer is added, it is thin with glass fiber wet
On the basis of felt modified thermoplastic gross weight, compatilizer consumption is 0~10wt%.
When being mixed using banburying process, coupling agent is added, it is total with glass fiber wet mat modified thermoplastic
On the basis of weight, coupling agent consumption is 0~1wt%, and coupling agent is gamma-aminopropyl-triethoxy-silane, γ-(2,3- epoxies third
Epoxide) one kind in propyl trimethoxy silicane or γ-mercaptopropyl trimethoxysilane.
The molten material for obtaining can prepare product using one of following several ways：
(1) the molten material that will be obtained inserts compression molding in press die.
(2) the molten material that will be obtained is inserted in extruder, the blank of extrusion tabular melting, is put into the mould of press
Compression molding or through multiple roll calendering formation.
(3) the molten material that will be obtained is inserted in the feed bin of injecting unit, carries out injection-compression molding.
(4) the molten material that will be obtained is inserted in the feed bin of injector, carries out injection moulding.
(5) the molten material that will be obtained is inserted in injection machine, carries out injection moulding.
By taking polyethylene as an example, employing mode (3) pressure injection processing technology is processed into thickness for 10mm cover plates, wherein molding temperature
It it is 100~240 DEG C, 5~15min of preheating time, 10~40min of dwell time apply 10~25MPa of pressure.
By taking polyethylene as an example, employing mode (4) injection moulding obtains sheet material, wherein, 120~240 DEG C of injection temperature, injection
6~8MPa of pressure, 20~60s of dwell time, 1~2min of cool time, with resin stick stream temperature raising, the dwell time,
Cool time accordingly increases.
The preparation method of described glass fiber wet mat modified thermoplastic, is to use banburying process by glass fibers
Dimension wet method mat, thermoplastic are kneaded, and obtain molten material, and the modified heat of glass fiber wet mat is obtained after shaping
Thermoplastic plastic, glass fibre therein is uniformly distributed among material in three dimensions.
Beneficial effects of the present invention are as follows：
The present invention with glass fiber wet mat as reinforcing material, using banburying process, by glass fibre in three dimensions
It is uniformly distributed among material, produces isotropic industrial product, changes with glass fiber wet mat of the prior art
Property thermoplastic is compared, and its molding mode and fiber distribution mode are entirely different.
The tensile strength of industrial product of the present invention, bending strength, impact strength are high, and excellent in mechanical performance, the manufacturing cycle is short,
Can repeat to process and regenerate；The present invention uses various preparation technologies simultaneously, produces green, environmental protection, low energy consumption, mechanical property
Excellent glass fiber wet mat modified thermoplastic, can according to actual needs using injection, molding, calendering, pressure injection
Or injection etc. technique be processed into various industrial products.
Specific embodiment
The present invention is described further with reference to embodiments.
Embodiment 1
30wt% glass fiber wets mat, 1wt% silane coupler KH560,4wt% maleic anhydride grafted polyethylene,
65wt% high density polyethylene (HDPE)s, 10min is kneaded using plastic banbury mixer at a temperature of 220 DEG C, and rotor speed is 60r/min, will
The composite that kneads is put into injection machine after taking out, be molded into test with standard batten tested.
Mechanical experimental results：
Tensile strength, 41.47MPa；
Bending strength, 47.84MPa；
Impact strength, 11.11kJ/m2。
Embodiment 2
50wt% glass fiber wets mat, 0.5wt% silane coupler KH560,8wt% maleic anhydride are grafted poly- second
Alkene, 41.5wt% high density polyethylene (HDPE)s, 10min is kneaded using plastic banbury mixer at a temperature of 220 DEG C, and rotor speed is 60r/
Min, the composite that will knead is put into injection machine after taking out, be molded into test with standard batten tested.
Mechanical experimental results：
Tensile strength：28.72MPa；
Bending strength：35.872MPa；
Impact strength：6.5185kJ/m2。
Embodiment 3
50wt% glass fiber wets mat, 0.5wt% silane coupler KH560,49.5wt% high density polyethylene (HDPE)s, adopt
10min is kneaded at a temperature of 200 DEG C with plastic banbury mixer, rotor speed is 60r/min, after the composite that will be kneaded takes out
Be put into injection machine, be molded into test with standard batten tested.
Mechanical experimental results：
Tensile strength：59.86MPa；
Bending strength：76.55MPa；
Impact strength：10.07kJ/m2。
Embodiment 4
50wt% glass fiber wets mat, 50wt% high density polyethylene (HDPE)s, using plastic banbury mixer at a temperature of 240 DEG C
Mixing 10min, rotor speed is 60r/min, and the composite that will be kneaded is put into injection machine after taking out, and is molded into test
Standard batten is tested.
Mechanical experimental results：
Tensile strength：47.45MPa；
Bending strength：55.76MPa；
Impact strength：14.60kJ/m2。
Embodiment 5
70wt% glass fiber wets mat, 30wt% high density polyethylene (HDPE)s, using plastic banbury mixer at a temperature of 220 DEG C
Mixing 10min, rotor speed is 60r/min, and the composite that will be kneaded is put into injection machine after taking out, and is molded into test
Standard batten is tested.
Mechanical experimental results：
Tensile strength：55.62MPa；
Bending strength：70.42MPa；
Impact strength：9.19kJ/m2。
Embodiment 6
30wt% glass fiber wets mat, 8wt% maleic anhydride grafted polyethylenes, 62wt% high density polyethylene (HDPE)s, adopt
10min is kneaded at a temperature of 220 DEG C with plastic banbury mixer, rotor speed is 60r/min, the composite that will be kneaded takes out
Afterwards, extruder charging bucket is put into, 220 DEG C, the blank of 40r/min extrusion tabular meltings, is 3mm through direct multiple roll calendering formation
Sheet material.
Mechanical experimental results：
Tensile strength：120MPa；
Bending strength：135MPa.
Embodiment 7
After the composite that embodiment 6 is kneaded takes out, the graininess of 10mm or so is broken into, places into the mould of press
In tool, in 220 DEG C, under 6MPa, compression molding is 3mm sheet materials.
Mechanical experimental results：
Tensile strength：128.8MPa；
Bending strength：161.2MPa.
Claims (10)
1. a kind of glass fiber wet mat modified thermoplastic, it is characterised in that：It is enhancing with glass fiber wet mat
Body, with thermoplastic as matrix, is kneaded using banburying process, obtains molten material, and glass fibre is obtained after shaping
Wet method mat modified thermoplastic.
2. glass fiber wet mat modified thermoplastic according to claim 1, it is characterised in that：With glass fibre
On the basis of wet method mat modified thermoplastic gross weight, the content of glass fiber wet mat is 10~80wt%.
3. glass fiber wet mat modified thermoplastic according to claim 1, it is characterised in that：Thermoplastic
It is polyethylene, polypropylene, polyvinyl chloride, polystyrene, polyamide, makrolon, polyether-ether-ketone or PEKK.
4. glass fiber wet mat modified thermoplastic according to claim 1, it is characterised in that：Banburying process
Temperature is 100~450 DEG C, and the time is 5~40min, and rotor speed is 10~100r/min.
5. glass fiber wet mat modified thermoplastic according to claim 1, it is characterised in that：Using banburying work
When skill is mixed, maleic anhydride stem grafting polyolefin compatilizer is added, it is total with glass fiber wet mat modified thermoplastic
On the basis of weight, compatilizer consumption is 0~10wt%.
6. glass fiber wet mat modified thermoplastic according to claim 1, it is characterised in that：Using banburying work
When skill is mixed, coupling agent is added, on the basis of glass fiber wet mat modified thermoplastic gross weight, coupling agent is used
It is 0~1wt% to measure, and coupling agent is gamma-aminopropyl-triethoxy-silane, γ-(2,3- glycidoxy) propyl trimethoxy silicon
One kind in alkane or γ-mercaptopropyl trimethoxysilane.
7. glass fiber wet mat modified thermoplastic according to claim 1, it is characterised in that：It is molten by what is obtained
Melt shape material and insert compression molding in press die.
8. glass fiber wet mat modified thermoplastic according to claim 1, it is characterised in that：It is molten by what is obtained
Melt shape material to insert in extruder, the blank of extrusion tabular melting, be put into the mould of press compression molding or roll through multiple roll
Shaping.
9. glass fiber wet mat modified thermoplastic according to claim 1, it is characterised in that：It is molten by what is obtained
Melt in the feed bin that shape material inserts injecting unit, carry out injection-compression molding, or the molten material that will be obtained inserts injector
In feed bin, injection moulding is carried out, or the molten material that will be obtained is inserted in injection machine, carries out injection moulding.
10. the preparation method of any described glass fiber wet mat modified thermoplastic of a kind of claim 1~9, its
It is characterised by：Glass fiber wet mat, thermoplastic are kneaded using banburying process, is obtained molten material, into
Glass fiber wet mat modified thermoplastic is obtained after type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201611038428.0A CN106700198A (en) | 2016-11-11 | 2016-11-11 | Glass fiber wet mat modified thermoplastic plastic and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611038428.0A CN106700198A (en) | 2016-11-11 | 2016-11-11 | Glass fiber wet mat modified thermoplastic plastic and preparation method thereof |
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| CN106700198A true CN106700198A (en) | 2017-05-24 |
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| CN201611038428.0A Pending CN106700198A (en) | 2016-11-11 | 2016-11-11 | Glass fiber wet mat modified thermoplastic plastic and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109571838A (en) * | 2018-09-21 | 2019-04-05 | 大连德宇机械有限公司 | Accurate calender roller roll adjustment method |
| WO2021077849A1 (en) * | 2019-10-21 | 2021-04-29 | 袁飞 | Glass fiber group and glass fiber reinforced resin-based composite material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1123014A (en) * | 1994-01-28 | 1996-05-22 | 伊索斯波特联合机械构件有限公司 | Process and device for producing glass fibre mat reinforced thermoplastic boards |
| CN103013060A (en) * | 2012-11-28 | 2013-04-03 | 宁波长阳科技有限公司 | Polyethylene toughening thermoplastic polyester composite material and preparation method thereof |
| CN103236454A (en) * | 2013-04-02 | 2013-08-07 | 天津顺御科技有限公司 | Fiber reinforced plastic profile and preparation method and application thereof in preparation of solar photovoltaic modules |
-
2016
- 2016-11-11 CN CN201611038428.0A patent/CN106700198A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1123014A (en) * | 1994-01-28 | 1996-05-22 | 伊索斯波特联合机械构件有限公司 | Process and device for producing glass fibre mat reinforced thermoplastic boards |
| CN103013060A (en) * | 2012-11-28 | 2013-04-03 | 宁波长阳科技有限公司 | Polyethylene toughening thermoplastic polyester composite material and preparation method thereof |
| CN103236454A (en) * | 2013-04-02 | 2013-08-07 | 天津顺御科技有限公司 | Fiber reinforced plastic profile and preparation method and application thereof in preparation of solar photovoltaic modules |
Non-Patent Citations (2)
| Title |
|---|
| 张耀明等主编: "《玻璃纤维与矿物棉全书》", 31 March 2001, 北京：化学工业出版社 * |
| 朱洪法、朱玉霞: "《工业助剂手册》", 30 June 2007, 金盾出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109571838A (en) * | 2018-09-21 | 2019-04-05 | 大连德宇机械有限公司 | Accurate calender roller roll adjustment method |
| WO2021077849A1 (en) * | 2019-10-21 | 2021-04-29 | 袁飞 | Glass fiber group and glass fiber reinforced resin-based composite material |
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Application publication date: 20170524 |