CN101831125B - Preparation method of acrylic resin-based glass fiber reinforced plastic - Google Patents
Preparation method of acrylic resin-based glass fiber reinforced plastic Download PDFInfo
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- CN101831125B CN101831125B CN2010101465686A CN201010146568A CN101831125B CN 101831125 B CN101831125 B CN 101831125B CN 2010101465686 A CN2010101465686 A CN 2010101465686A CN 201010146568 A CN201010146568 A CN 201010146568A CN 101831125 B CN101831125 B CN 101831125B
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- acrylic resin
- glass fiber
- reinforced plastic
- fiber reinforced
- based glass
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- 239000004925 Acrylic resin Substances 0.000 title claims abstract description 25
- 229920000178 Acrylic resin Polymers 0.000 title claims abstract description 24
- 239000011152 fibreglass Substances 0.000 title claims abstract description 16
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims abstract description 15
- 239000003365 glass fiber Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 11
- 239000004342 Benzoyl peroxide Substances 0.000 claims abstract description 9
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims abstract description 9
- 235000019400 benzoyl peroxide Nutrition 0.000 claims abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 8
- 239000000428 dust Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 14
- 239000011347 resin Substances 0.000 claims description 14
- 229920005989 resin Polymers 0.000 claims description 14
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 13
- -1 polyoxyethylene Polymers 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 8
- 239000002990 reinforced plastic Substances 0.000 claims description 8
- WFUGQJXVXHBTEM-UHFFFAOYSA-N 2-hydroperoxy-2-(2-hydroperoxybutan-2-ylperoxy)butane Chemical compound CCC(C)(OO)OOC(C)(CC)OO WFUGQJXVXHBTEM-UHFFFAOYSA-N 0.000 claims description 7
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 7
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 6
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical group [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 6
- 150000002148 esters Chemical class 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims description 2
- 238000009827 uniform distribution Methods 0.000 claims description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims 1
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052760 oxygen Inorganic materials 0.000 abstract description 2
- 239000001301 oxygen Substances 0.000 abstract description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 abstract 2
- 239000002202 Polyethylene glycol Substances 0.000 abstract 1
- 235000021355 Stearic acid Nutrition 0.000 abstract 1
- 238000005452 bending Methods 0.000 abstract 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 abstract 1
- 229920001223 polyethylene glycol Polymers 0.000 abstract 1
- 239000008117 stearic acid Substances 0.000 abstract 1
- 239000003063 flame retardant Substances 0.000 description 28
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 23
- 239000000654 additive Substances 0.000 description 5
- 230000000996 additive effect Effects 0.000 description 5
- 235000019504 cigarettes Nutrition 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 229920002635 polyurethane Polymers 0.000 description 4
- 239000004814 polyurethane Substances 0.000 description 4
- 229910052736 halogen Inorganic materials 0.000 description 3
- 150000002367 halogens Chemical class 0.000 description 3
- 231100000252 nontoxic Toxicity 0.000 description 3
- 230000003000 nontoxic effect Effects 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 238000013019 agitation Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920000620 organic polymer Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- 239000008116 calcium stearate Substances 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- 238000007385 chemical modification Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910052752 metalloid Inorganic materials 0.000 description 1
- 150000002738 metalloids Chemical class 0.000 description 1
- XIVNZHXRIPJOIZ-UHFFFAOYSA-N octadecanoic acid;zinc Chemical compound [Zn].CCCCCCCCCCCCCCCCCC(O)=O XIVNZHXRIPJOIZ-UHFFFAOYSA-N 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
Abstract
The present invention discloses a preparation method of acrylic resin-based glass fiber reinforced plastic, comprising the following steps of: pultruding 100 percent of acrylic resin, 150-200 percent of powdery aluminum hydroxide, 5-30 percent of carbon dust, 0.3-2.5 percent of benzoyl peroxide, 0.2-5 percent of polyethylene glycol and 0.5-6 percent of stearic acid or stearic acid salt by a pultrusion process; feeding the materials into a process tank; and continuously forming by using glass fiber yarn as a vector and a die for heating in three-section areas to obtain the acrylic resin-based glass fiber reinforced plastic. The acrylic resin-based glass fiber reinforced plastic has high combustion property and an oxygen index up to 70; in addition, after 150 parts of aluminum hydroxide and 5-30 parts of carbon dust are filled, the acrylic resin-based glass fiber reinforced plastic keeps high comprehensive mechanical properties, longitudinal stretching strength as high as 500MPa, longitudinal bending strength as high as 400MPa and elastic modulus up to 25.5GPa.
Description
Technical field
The present invention relates to a kind of resin-based glass fiber reinforced plastic and preparation method thereof.
Technical background
Plastics, rubber and chemical fibre three big synthetic material industry have obtained the development of prominent flying property, a lot
The field has replaced some goods of being made by traditional natural resources, chemical building material used in the picture building replaces a lot of traditional steel, and plastic working product and organic polymer polymeric material also are widely used in fields such as traffic, electrical equipment, communication in addition.But the inflammableness of these three big synthetic materialss has also been brought huge potential safety hazard to the whole society, becomes the social concern that receives much attention.So increase their flame retardant resistance, farthest reduce the important topic that its inflammable grade becomes the investigators of related scientific research institutes and enterprises and institutions.
For the essence of most of organic polymer materials, they are impossible make absolute fire prevention
Material, unique possible way is to reduce its burning grade as much as possible, slow down combustionvelocity, method at present commonly used is to add fire retardant in its goods, and common have boron flame retardant, halogenated flame retardant and aluminium hydroxide, this metalloid oxyhydroxide of magnesium hydroxide etc.Another common method is carried out chemical modification to the raw material organic high molecular polymer exactly, makes after its modification the flame retardant resistance of self bring up to a suitable degree.
For the glass filament reinforced plastics that the present invention relates to, wherein play the glass fibre material of enhancement
The right and wrong of material own are flammable, just carry this additive flame retardant of glass fibre with respect to single plastics glass filament reinforced plastics.Usually in glass filament reinforced plastics, add aluminium hydroxide, its flame retardant resistance is improved once more.That aluminium hydroxide has concurrently is fire-retardant, press down cigarette, fill three kinds of functions, and its consumption accounts for about 65% of additive flame retardant.Seeking aspect the glass filament reinforced plastics goods high flame retardant, investigators also selecting suitable flame retardant resin base as another the valid approach of adding outside the fire retardant, comprise and select modification or non-modified resins for use.
In sum, the flame retardant resistance method that improves resin-based glass fiber reinforced plastic has two kinds of approach: the one, select the resin of flame retardant resistance for use; The 2nd, select the fire retardant of addition type for use, simultaneously also as filler.Improve its flame retardant resistance and must possess following condition:
1, flaming combustion can be stoped, flameless combustion can be suppressed again;
2, additive flame retardant itself is nontoxic, the few cigarette of its pyrolysis and combustion product, low toxicity, non-stimulated and corrodibility.
3, fire retardant is not volatile, oozes out or moves, and is ageing-resistant and flame retardant resistance stable;
4, it is too big to guarantee that as the additive flame retardant of filler mechanical property to goods can not influence after interpolation, and can not influence its off-balancesheet and see.
Summary of the invention
The object of the invention has provided glass filament reinforced plastics of a kind of high flame retardant, high comprehensive mechanical property and preparation method thereof.Especially use additive flame retardant after interpolation, will guarantee the mechanical property of goods is unlikely to that big influence is arranged, do not influence its off-balancesheet and see, and be a kind of nontoxic combustion-proof glass fiber reinforced plastics as filler.
Technical solution of the present invention is: acrylic resin-based glass fiber reinforced plastic feed composition, content (amount of resin per-cent relatively) and pultrude process parameter:
(1) acrylic resin is 100%
(2) powdery aluminium hydroxide 150-200%
(3) carbon dust 5-30%
(4) benzoyl peroxide or with methylethyl ketone peroxide 0.3-2.5%
(5) polyoxyethylene glycol 0.2-5%
(6) hard ester acid or hard acid ester salt 0.5-6%;
With the pultrude process pultrusion, above-mentioned materials is entered in the technology hopper, as carrier, by continuously shaped, make product with glass fiber yarn through three sections regional heated die with following condition pultrusion:
(7) content of glass fiber 180-250%
(8) pultrusion die temperature I district 100-130 ℃; 110-140 ℃ in II district; 90-120 ℃ in III district
(9) pultrusion speed 0.1-0.7m/min
In the said components, consider that curing speed is unsuitable too fast, benzoyl peroxide and/or methylethyl ketone peroxide ratio should be and be respectively 0.1-1% and 0.3-2% for best.
The 0.2-5% polyoxyethylene glycol that adds in the said components is to use as dispersion agent, and purpose is to make that a high proportion of aluminium hydroxide is evenly distributed in the resin in the batching, and consumption is also unsuitable too many, can reduce the mechanical property of goods too much.
Hard ester acid or hard acid ester salt (Zinc Stearate) in the said components are a kind of lubricant releasing agents, purpose is to make goods reduce the frictional force of goods and mould behind the curing molding in mould, depanning smoothly under suitable tractive force, but can not be too many, the too many mechanical property that also can reduce goods, optimum quantity should be 0.5-6%.
Content of glass fiber in the said components should be 180-250%, and higher meeting makes the pultrusion resistance very excessive
To snap gauge; The goods mechanical property can reduce when on the low side, and phenomenon uneven even that come unstuck also can appear in the outward appearance of goods simultaneously.
Preparation process of the present invention is:
After earlier the carbon dust of the aluminium hydroxide of 100 parts of acrylic resins, 150-200 part and 5-30 part being mixed and stirring, add the polyoxyethylene glycol of 0.2-5 part again, the stirring that the Zinc Stearate of 0.5-6 part does not stop makes its uniform distribution, leaving standstill 30min makes it be cooled to room temperature, add benzoyl peroxide of 0.1-1 part and the methylethyl ketone peroxide of 0.3-2 part more successively, stir 5min once more.The batching that will mix is poured in the pultrusion hopper at last, under suitable tractive force, is carrier with the glass fibre of 180-250 part, with the pultrusion speed of 0.1-0.7m/min by mould molding through above-mentioned three sections Heating temperatures.
The invention has the beneficial effects as follows: have following several big advantage with respect to existing flame retardant type glass filament reinforced plastics: the resin base of 1, selecting for use is polyurethane-modified acrylic resin, possesses flame retardant resistance and not halogen-containing, few cigarette during burning; 2, the aluminium hydroxide of selecting for use has the function of fire retardant and filler simultaneously concurrently, and itself nontoxic, non-stimulated and corrodibility; 3, the product flame retardant rating height for preparing, oxygen index is up to 70; Few cigarette during burning, the smoke density grade is 15; 4, adding after relative resin quality per-cent is the aluminium hydroxide of 150-200%, can keep high comprehensive mechanical property, longitudinal tensile strength up to 500MPa, buckling strength reach 400MPa, shock strength reaches 300KJ/m
2Young's modulus reaches 25.5GPa.
Specific embodiment
The polyurethane modified acrylic resin based glass fiber reinforced plastic is prepared into the glass filament reinforced plastics (GFRP) of high flame retardant, high comprehensive mechanical property.The feed composition of described GFRP, content (the 1212 weight resin per-cents that adopt relatively) and pultrude process parameter are as follows:
| Form example | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| Acrylic resin | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Powdery aluminium hydroxide | 1.6 | 1.5 | 1.7 | 1.8 | 2 | 2 | 2 | 1.5 | 2 | 2 |
| Carbon dust | 0.1 | 0.2 | 0.3 | 0.2 | 0.3 | 0.05 | 0.05 | 0.05 | 0.1 | 0.2 |
| Benzoyl peroxide | 0.01 | 0.01 | 0.001 | 0.01 | 0.005 | 0.01 | ||||
| Methylethyl ketone peroxide | 0.01 | 0.01 | 0.01 | 0.02 | 0.01 | 0.01 | 0.003 | |||
| Polyoxyethylene glycol | 0.02 | 0.01 | 0.05 | 0.03 | 0.01 | 0.01 | 0.02 | 0.01 | 0.03 | 0.002 |
| Zinc Stearate | 0.01 | 0.03 | 0.04 | 0.01 | 0.03 | 0.04 | 0.06 | 0.01 | 0.02 | 0.005 |
| Glass fibre | 1.8 | 2 | 2.5 | 2.2 | 1.9 | 2.3 | 2 | 3 | 2.1 | 2 |
Zinc Stearate can adopt hard ester acid or calcium stearate etc. to there is no remarkable difference.
1, pultrusion die temperature I district is 110 ℃; 110 ℃ in II district; 100 ℃ in III district all can, pultrusion speed is especially at 0.25m/min;
2, I district, II district, III district can also be a kind of embodiment at 110-120 ℃ all, and pultrusion speed is especially at 0.5m/min;
3, pultrusion die temperature I district 105-110 ℃; 130-140 ℃ in II district; The III district is another kind of embodiment for 95-100 ℃, and pultrusion speed is especially at 0.25-0.55m/min;
4, pultrusion die temperature: 110 ℃ in I district; 120 ℃ in II district; 105 ℃ in III district all can reach good effect.
Preparation method: the polyurethane modified acrylic resin 1212 of 50kg (100%) is packed in the agitation vat, branch takes by weighing powdery aluminium hydroxide and the carbon dust of 85kg and 7.5kg in addition and pours in the agitation vat, after stirring, the polyoxyethylene glycol and the stearic acid zinc powder that take by weighing 250g and 750g are more respectively poured wherein stirring into, approximately stop behind the 5min stirring, leave standstill and make it be cooled to room temperature about 30min, take by weighing 150g benzoyl peroxide, 450g methylethyl ketone peroxide at last in wherein, stop after continuing to stir about 5min, deliver to immediately in the pultrude process hopper.Under suitable tractive force, with the glass fiber yarn of the 4800tex of 100kg as carrier, with the pultrusion speed of 0.25m/min by through heating (110 ℃ in I districts, three sections zones; 120 ℃ in II district; 105 ℃ in III district) mould is continuously shaped, makes product.
The every performance of product sees Table one (to form the prescription of example 9), processing condition: 110 ℃ in pultrusion die temperature I district; 110 ℃ in II district; 100 ℃ in III district all can, pultrusion speed is especially at 0.25m/min.
The every performance index of table one product
The acrylic resin of other trades mark, relatively cross a kind of Halogen resin trade mark: XF-9011 is the resin that belongs to flame retardant resistance equally.The Halogen resin, the trade mark: XF-9011 producer: DSM (Nanjing DSM).The trade mark of typical polyurethane modified acrylic resin: 1212 producers: Scott Bader (Si Gaote Ahmedabad), these two kinds relatively is that the flame retardant resistance and the comprehensive mechanical property of polyurethane modified acrylic resin is all good.
Claims (5)
1. preparation method of acrylic resin-based glass fiber reinforced plastic, when the pultrude process parameter is as follows to it is characterized in that the weight percent of the relative acrylic resin amount of component, content of glass filament reinforced plastics:
(1) acrylic resin 100%
(2) powdery aluminium hydroxide 150-200%
(3) carbon dust 5-30%
(4) benzoyl peroxide or/and methylethyl ketone peroxide 0.3-2.5%
(5) polyoxyethylene glycol 0.2-5%
(6) hard ester acid or hard acid ester salt 0.5-6%
And with the pultrude process pultrusion: above-mentioned materials is entered in the technology hopper, as carrier, by continuously shaped, make product through three sections regional heated die with following condition pultrusion with glass fiber yarn:
(7) content of glass fiber 180-250%
(8) pultrusion die temperature I district 100-130 ℃; 110-140 ℃ in II district; 90-120 ℃ in III district
(9) pultrusion speed 0.1-0.7m/min.
2. preparation method of acrylic resin-based glass fiber reinforced plastic according to claim 1 is characterized in that described aluminium hydroxide is powdery, and specific surface area (BET) is 4m
2More than/the g.
3. preparation method of acrylic resin-based glass fiber reinforced plastic according to claim 1 it is characterized in that described benzoyl peroxide contains two benzoyls, and consumption is 0.1-1% with respect to the acrylic resin mass percent.
4. preparation method of acrylic resin-based glass fiber reinforced plastic according to claim 1 is characterized in that described hard acid ester salt is a Zinc Stearate.
5. preparation method of acrylic resin-based glass fiber reinforced plastic according to claim 1, it is characterized in that being undertaken: after earlier the carbon dust of the aluminium hydroxide of 100 parts by weight of acrylic acid resins, 150-200 weight part and 5-30 weight part being mixed and stirring by following step, add the polyoxyethylene glycol of 0.2-5 weight part again, the stirring that the Zinc Stearate of 0.5-6 weight part does not stop makes its uniform distribution, leaving standstill 30min makes it be cooled to room temperature, add the benzoyl peroxide of 0.1-1 weight part and the methylethyl ketone peroxide of 0.3-2 weight part more successively, stir 5min; The batching that will mix is poured in the pultrusion hopper at last, under suitable tractive force, is carrier with the glass fibre of 180-250 weight part, with the pultrusion speed of 0.1-0.7m/min by through three sections heated die moulding.
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| CN103587541B (en) * | 2013-10-21 | 2016-06-15 | 江苏恒神股份有限公司 | Lightweight magnetically levitated train driver's cab outer housing and integral forming technique |
| DE102015223051B4 (en) * | 2015-11-23 | 2019-01-10 | United Initiators Gmbh & Co. Kg | BCHPC with reduced burning rate |
| CN107696352A (en) * | 2017-11-18 | 2018-02-16 | 蚌埠市华鼎机械科技有限公司 | A kind of preparation method of fiber reinforced plastic mold |
| CN108756119A (en) * | 2018-06-15 | 2018-11-06 | 新土木（大连）建筑设计院有限公司 | A kind of plug-in systems of FRP applied to construction wall, preparation method and applications |
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| US5869178A (en) * | 1994-08-25 | 1999-02-09 | The University Of North Carolina At Chapel Hill | Pultruded fiber-reinforced plastic and related apparatus and method |
| US5916509A (en) * | 1997-02-07 | 1999-06-29 | Durhman; Paul P. | Actinic irradiation and curing of plastic composites within a material forming die |
| CN1245447C (en) * | 2003-09-03 | 2006-03-15 | 中国石油化工股份有限公司 | Composition of glass fiber reinforced thermoplastic polymer |
| CN1560134A (en) * | 2004-02-24 | 2005-01-05 | 天津市金锚科技发展有限公司 | Preparing composite of modifing glass fiber reinforced plastics pultrusion section bar and preparation method thereof |
| WO2007065071A2 (en) * | 2005-12-01 | 2007-06-07 | Certain Teed Corporation | Method and system for making an article reinforced with continuous filaments |
| CN100562541C (en) * | 2007-04-20 | 2009-11-25 | 佛山市华联有机硅有限公司 | Acrylic resin latex modified by fire retardation type organosilicon and preparation method thereof |
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