CN1990929A - Glass fiber mat for waterproof coiled material base and preparation method thereof - Google Patents
Glass fiber mat for waterproof coiled material base and preparation method thereof Download PDFInfo
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- CN1990929A CN1990929A CNA2005100973632A CN200510097363A CN1990929A CN 1990929 A CN1990929 A CN 1990929A CN A2005100973632 A CNA2005100973632 A CN A2005100973632A CN 200510097363 A CN200510097363 A CN 200510097363A CN 1990929 A CN1990929 A CN 1990929A
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- organic binder
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- 239000003365 glass fiber Substances 0.000 title claims abstract description 45
- 239000000463 material Substances 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000002002 slurry Substances 0.000 claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000002585 base Substances 0.000 claims abstract description 17
- 239000011230 binding agent Substances 0.000 claims abstract description 17
- 239000007822 coupling agent Substances 0.000 claims abstract description 17
- 239000004094 surface-active agent Substances 0.000 claims abstract description 17
- 239000002270 dispersing agent Substances 0.000 claims abstract description 15
- 239000011347 resin Substances 0.000 claims abstract description 14
- 229920005989 resin Polymers 0.000 claims abstract description 14
- 229920001187 thermosetting polymer Polymers 0.000 claims abstract description 14
- 229920002301 cellulose acetate Polymers 0.000 claims abstract description 11
- 238000007598 dipping method Methods 0.000 claims abstract description 11
- 238000001035 drying Methods 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 230000002787 reinforcement Effects 0.000 claims abstract description 8
- 239000003513 alkali Substances 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 239000003093 cationic surfactant Substances 0.000 claims abstract description 4
- 150000003242 quaternary ammonium salts Chemical group 0.000 claims abstract description 4
- 239000002562 thickening agent Substances 0.000 claims abstract description 4
- 239000011521 glass Substances 0.000 claims description 18
- 239000003292 glue Substances 0.000 claims description 12
- 239000000835 fiber Substances 0.000 claims description 10
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 8
- 239000004568 cement Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 5
- 238000009955 starching Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 239000011800 void material Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 230000018044 dehydration Effects 0.000 claims description 3
- 238000006297 dehydration reaction Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 238000005470 impregnation Methods 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 150000001242 acetic acid derivatives Chemical class 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 2
- 238000004513 sizing Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000000047 product Substances 0.000 description 5
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- 239000004745 nonwoven fabric Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- MPDGHEJMBKOTSU-YKLVYJNSSA-N 18beta-glycyrrhetic acid Chemical compound C([C@H]1C2=CC(=O)[C@H]34)[C@@](C)(C(O)=O)CC[C@]1(C)CC[C@@]2(C)[C@]4(C)CC[C@@H]1[C@]3(C)CC[C@H](O)C1(C)C MPDGHEJMBKOTSU-YKLVYJNSSA-N 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical group [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000006121 base glass Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
Landscapes
- Nonwoven Fabrics (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention provides a glass fiber mat for a waterproof coiled material base and a preparation method thereof, wherein the components of the glass fiber mat are glass fiber short shreds, glass fiber yarns, a dispersing agent, a surfactant and an organic binder, the glass fiber short shreds are medium-alkali or alkali-free, the diameter of the glass fiber short shreds is 12-13 mu m, and the length of the glass fiber short shreds is 10-18 mm; the glass fiber yarn is alkali-free and has a linear density of 60-70 Tex; the dispersant is cellulose acetate thickener; the surfactant is quaternary ammonium salt type cationic surfactant; the organic binder is a mixture of thermosetting resin, KH560 coupling agent and water. The glass fiber thin felt is prepared by a wet process, and comprises the working procedures of raw material preparation, slurry preparation, sizing forming, reinforcement yarn adding, gum dipping, drying and reeling and the like, and has the characteristics of uniform thickness, high strength, no deformation at high temperature, high porosity and the like.
Description
Technical field:
The present invention relates to a kind of waterproof coiled material tyre base and preparation method thereof, specially refer to glass fibre mat.
Background technology:
Common building is paper tire or polyester-cotton blend nonwoven fabric with the tire base of asphalt water-proof coiled material, and wherein asphalt paper is because of its anti-mold corrosion and ageing resistace is too poor, too short withdraw from the market substantially service life.The compound tire base of polyester-cotton blend nonwoven fabric tire base or polyester-cotton blend nonwoven fabric and glass fiber reticular cloth because of it constitutes the string that contains significant proportion in the thing, causes the anti-mold corrosion of coiled material to compare the improvement that essence can not be arranged with ageing resistace with the paper tire.With a kind of glass fibre mat of producing through wet processing as waterproof coiled material tyre base, because of constituting in the thing, it does not contain any string, anti-mold corrosion and ageing resistance have had basic raising, simultaneously, by radially adding the reinforcing glass silvalin, improve the impact strength of coiled material at glass mat view picture.
Summary of the invention:
The object of the present invention is to provide a kind of novel waterproof coiled material tyre base and preparation method thereof, described waterproof coiled material tyre base is a glass fibre mat.
The glass fibre mat that is used for waterproof coiled material tyre base of the present invention is made by wet processing, its component is glass chopped silk, glass fiber yarn, dispersant, surfactant and organic binder bond, described glass chopped silk is middle alkali or alkali-free, fibre diameter 12～13 μ m, it is 10～18mm that weak point is cut length; Described glass fiber yarn is the continuous yarn of alkali-free glass fibre, line density 60～70Tex; Described dispersant is a cellulose acetate class thickener; Described surfactant is a quaternary ammonium salt cationic surfactant; Described organic binder bond is the mixture of thermosetting resin, KH560 coupling agent and water.
In above-mentioned organic binder bond, the percentage by weight of thermosetting resin, KH560 coupling agent and water is 72/0.5/27.5.
The raw materials used explanation of the present invention:
1) described glass chopped silk is middle alkali or alkali-free, fibre diameter 12～13 μ m, the short length 10～18mm, moisture content 8～12% of cutting; This glass chopped silk can directly be purchased on market, there is (No. 1, the Changzhou Chang Chenglu of Jiangsu Province of Tianmo Group Co., Ltd., Changzhou in main supplier, phone: 0519-5212676), Jushi Group Co., Ltd. (economic development zone, Tongxiang, Zhejiang, phone: 0573-8108814) etc.
2) described dispersant claims thickener again, its chemistry is by name: the ethoxy cellulose acetate, its physico-chemical property is as follows: outward appearance is that white solid is Powdered, moisture content≤5%, ash content≤10%, main supplier is U.S.'s union carbide corporation (import), Xiangtai Fiber Co., Ltd. (No. 30, Beijing road, Zhongxiang City, Hubei, phone: 0724-4223654);
3) described surfactant is a quaternary ammonium salt cationic surfactant, and outward appearance is a white liquid, and its physico-chemical property is as follows: pH value is 4; Viscosity (20 ℃) is 200CP; Solid content is 25%; Dilution property: available water is diluted fully by arbitrary proportion.There are Nanjing, Jiangsu Province Qixia Mountain printing and dyeing assistant factory (Qixia Mountain industrial area, Nanjing city, phone: 025-85760452) etc. in supplier.
4) described organic binder bond is the mixture of thermosetting resin, KH560 coupling agent and water, and thermosetting resin, KH560 coupling agent all are commercial products, and their technical characterictic and supplier are:
Thermosetting resin is faint yellow limpid liquid, pH value: 8.0～9.0, and viscosity (25 ℃): 31～52CP, solid content: 48～58%.There is Tianmo Group Co., Ltd., Changzhou etc. in main supplier.
The KH560 coupling agent is a silane coupler, chemical name: γ-glycidyl ether oxygen propyl trimethoxy silicane, outward appearance is a colourless transparent liquid, purity is not less than 96%, there are Jintan City, Jiangsu Province East China coupling agent factory (industrial park, river, Jintan City, Jiangsu, phone: 0519-8211888) etc. in supplier.
5) described glass fiber yarn is the continuous yarn of alkali-free glass fibre, line density 60～70Tex, and single being around on the bobbin, there is Jushi Group Co., Ltd. etc. in main supplier.
The preparation method of the glass fibre mat that is used for waterproof coiled material tyre base of the present invention is as follows:
1) raw material is prepared: press the component ratio requirement and prepare glass chopped silk, the continuous yarn of alkali-free glass fibre, dispersant ethoxy cellulose acetate, surfactant, thermosetting resin, KH560 coupling agent and water.
2) slurry preparation: by ratio requirement with glass chopped silk, dispersant ethoxy cellulose acetate, surfactant and water put into agitator tank evenly stir slurry, the content (percentage by weight) of wherein glass chopped silk in slurry is 0.2%～0.3%, the addition of dispersant is about per 1000 premium on currency, 10～12kg, actual addition reaches 8～10CP for well to guarantee slurry viscosity, the surfactant addition reaches 80～90ppm for well to guarantee its content in slurry, and the slurry void fraction is controlled at 4%～8%.
3) organic binder bond preparation: organic binder bond is the mixture of thermosetting resin, KH560 coupling agent and water, and its solid content is 34%～38%.
4) the reinforcement yarn is set up in the starching moulding: the moulding guipure that prepared slurry is pumped into continuous operation by flow box, slurry is evenly dehydration on the guipure that tilts, glass fibre in the slurry is evenly distributed in and forms wet felt on the guipure, on wet felt, set up the reinforcement yarn continuously simultaneously, the forming web that wet felt is moved is continuously sent on the applying glue guipure of dipping system, water in the slurry and other component flow to by dewatering box and continue in the slurry pool to recycle, forming web tape speed 80m/min～100m/min, agitator tank liquid level 50%～70%.
Setting up the reinforcement yarn continuously on wet felt carries out synchronously with the starching moulding, the bobbin of glass fiber yarn is placed on the creel, with special instrument yarn is guided on the wet felt felt face, with the forming web tape travel glass fiber yarn is added in the felt, per ten thousand square metres is 20kg～24kg with glass fiber yarn.
5) impregnation: wet felt is admitted to cement dipping machine, and the organic binder bond glue that the 3rd step was prepared enters in the adhesive applicator through overflow mechanism, and the felt that will wet soaks into glue, and after the suction box suction, wet felt is admitted to the drying oven oven dry.
6) oven dry is batched: adopt hot blast penetration convection furnace drying method to dry 110 ℃～255 ℃ of kiln temperatures.The mat finished product goes out drying oven after automatic coiling machine carries out rolling.
7) performance of products obtained therefrom:
Outward appearance: white, smooth surface is smooth, and Fiber Distribution is even
Unit mass: 50～90 grams/square metre
Gel content: 18～25%
Longitudinal tensile strength: 180～400N/5cm
Transverse tensile strength: 100～300N/5cm
Because the glass fibre mat that is used for waterproof coiled material tyre base of the present invention is produced by wet processing, thereby its thickness is even, easily by bituminizing, after special-purpose organic binder bond dipping, oven dry, the intensity height, high temperature is indeformable, porosity is high, characteristics such as that the waterproof roll of doing the production of tire base with it has is corrosion-resistant, good waterproof performance, intensity height, good weatherability are desirable roof waterproof coiled materials.
Description of drawings:
Fig. 1 is a process chart of the present invention.
The specific embodiment:
Be 60 gram/m with production specification below
2The glass fibre mat that is used for waterproof coiled material tyre base is example for 50000 square metres, and the concrete production method of invention is described:
1) raw material is prepared: the buying diameter is the short chopping 2800kg of the medium-alkali glass fibre of 12～13 μ m; The continuous yarn 120kg of alkali-free glass fibre; Dispersant ethoxy cellulose acetate 1000kg (recycling); Surfactant 25kg (recycling); Thermosetting resin 960kg; KH560 coupling agent 6.72kg.
2) slurry preparation: with glass chopped silk, dispersant, surfactant and water put into agitator tank (stainless steel basin) evenly stir slurry, through being pumped into slurry pool (concrete sump), content of glass fiber in the slurry (percentage by weight) is 0.22%, the addition of ethoxy cellulose acetate is about per 1000 premium on currency, 10～12kg, actual addition is regulated by slurry viscosity, to guarantee that slurry viscosity reaches 8～10CP for well, the surfactant addition reaches 80ppm for well to guarantee in the slurry its content, and the slurry void fraction is controlled at 6%.Join for the first time the about 100m of slurry
3, slurry recycles in the production process, adds fiber and a spot of ethoxy cellulose acetate and surfactant but must constantly replenish, to keep short chopping, surface-active contents and slurry viscosity of glass in the slurry.Glass fibre in the production process in the slurry is taken away by the moulding guipure continuously, water and other component stream go in the slurry pool to recycle, must in slurry pool, add glass chopped silk continuously, glass chopped silk adds by automatic weigh belt scale, the speed that belt conveyer scale adds glass chopped silk is to set by the amount of production system unit interval consumption fiber, content with glass fibre in the assurance slurry is 0.2%～0.3%, and the loss situation that water and other component are looked in the production process is replenished immediately.
3) organic binder bond preparation: in No. 1 stainless steel basin, add KH560 coupling agent 6.72kg and water 134.4L stirs, coupling agent solution; Add 100L water earlier at No. 2 stainless steel basins, add the 960kg thermosetting resin again, at last the KH560 coupling agent solution for preparing in No. 1 stainless steel basin is pumped in No. 2 stainless steel basins, add 132.2L water at last, stirring gets final product.
4) the reinforcement yarn is set up in the starching moulding: moulding guipure (the polyester individual layer net that prepared slurry is pumped into continuous operation by flow box, line footpath 0.5mm, 12～14 of density/cm), slurry is evenly dehydration on the guipure that tilts, glass fibre in the slurry is evenly distributed in and forms wet felt on the guipure, starching is set up the reinforcement yarn simultaneously in wet felt, the forming web that wet felt is moved is continuously sent on the applying glue guipure of dipping system.Forming web tape speed 90m/min, agitator tank liquid level 60%, the belt conveyer scale feed rate is set at 10.08kg/min.
5) impregnation: wet felt is admitted to cement dipping machine, and the organic binder bond glue enters in the adhesive applicator through overflow mechanism, and the felt that will wet soaks into glue, and after suction box aspirated unnecessary glue, wet felt was admitted to the drying oven oven dry.Cement dipping machine speed 90m/min.The applying glue net is a polyester individual layer net, line footpath 0.5mm, 8/cm of density.
6) oven dry is batched: adopt hot blast penetration convection furnace drying method to dry 110 ℃-240 ℃ of kiln temperatures.The mat finished product goes out drying oven after automatic coiling machine carries out rolling.
7) performance of products obtained therefrom:
Outward appearance: white, smooth surface is smooth, and Fiber Distribution is even
Unit mass: 58～63 grams/square metre
Gel content: 18～20%
Longitudinal tensile strength: 190～240N/5cm
Transverse tensile strength: 105～150N/5cm
Conventional Package size: roll up waterproof coiled material tyre base glass fibre mat production method that long * rolls up wide=other specification of 2000m*1000mm roughly the same, according to every Gram Mass, gel content, thickness, in length and breadth to the difference of performances such as TENSILE STRENGTH, the parameter that needs to adjust is mainly in fiberglass type (middle alkali or alkali-free), fibre diameter, the slurry surface-active contents, slurry void fraction, forming web tape speed, cement dipping machine speed, kiln temperatures etc. in content of glass fiber, the slurry.
Claims (3)
1, a kind of glass fibre mat that is used for waterproof coiled material tyre base is characterized in that:
Outward appearance: white, smooth surface is smooth, and Fiber Distribution is even;
Unit mass: 50～90 grams/square metre;
Gel content: 18～25%;
Longitudinal tensile strength: 180～400N/5cm;
Transverse tensile strength: 100～300N/5cm;
Its component is glass chopped silk, glass fiber yarn, dispersant, surfactant and organic binder bond, and described glass chopped silk is middle alkali or alkali-free, fibre diameter 12～13 μ m, and it is 10～18mm that weak point is cut length; Described glass fiber yarn is the continuous yarn of alkali-free glass fibre, line density 60-70Tex; Described dispersant is a cellulose acetate class thickener; Described surfactant is a quaternary ammonium salt cationic surfactant; Described organic binder bond is the mixture of thermosetting resin, KH560 coupling agent and water.
2, according to the described glass fibre mat that is used for waterproof coiled material tyre base of claim 1, it is characterized in that: described dispersant is the ethoxy cellulose acetate; In described organic binder bond, the percentage by weight of thermosetting resin, KH560 coupling agent and water is 72: 0.5: 27.5.
3, the described preparation method who is used for the glass fibre mat of waterproof coiled material tyre base comprises the steps:
1) raw material is prepared: press the component ratio requirement and prepare glass chopped silk, the continuous yarn of alkali-free glass fibre, ethoxy cellulose acetate, surfactant, thermosetting resin, KH560 coupling agent and water;
2) slurry preparation: with glass chopped silk, dispersant, surfactant and water put into agitator tank evenly stir slurry, through being pumped into slurry pool, wherein the content of glass fibre (percentage by weight) is 0.2%～0.3%, the addition of dispersant is that per 1000 premium on currency add 10～12kg, actual addition reaches 8～10CP for well to guarantee slurry viscosity, the surfactant addition reaches 80～90ppm for well to guarantee its content in slurry, and the slurry void fraction is controlled at 4%～8%;
3) the reinforcement yarn is set up in the starching moulding: moulding guipure (the polyester individual layer net that prepared slurry is pumped into continuous operation by flow box, line footpath 0.5mm, 12～14 of density/cm), slurry is evenly dehydration on the guipure that tilts, glass fibre in the slurry is evenly distributed in and forms wet felt on the guipure, on wet felt, set up the reinforcement yarn continuously, the forming web that wet felt is moved is continuously sent on the applying glue guipure of dipping system, water in the slurry and other component flow to by dewatering box and continue in the slurry pool to recycle, forming web tape speed 80m/min～100m/min, the agitator tank liquid level is controlled at 50%～70%;
4) impregnation:
Wet felt is admitted to cement dipping machine, and the organic binder bond glue enters in the adhesive applicator through overflow mechanism, and the felt that will wet soaks into glue, and after suction box aspirated unnecessary glue, wet felt was admitted to drying oven oven dry, cement dipping machine speed 70m/min～90m/min;
Described organic binder bond is the mixture of thermosetting resin, KH560 coupling agent and water, and its solid content is 34%～38%;
5) oven dry is batched:
Adopt hot blast penetration convection furnace drying method to dry, 110 ℃～255 ℃ of kiln temperatures, the mat finished product goes out drying oven after automatic coiling machine carries out rolling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100973632A CN1990929A (en) | 2005-12-31 | 2005-12-31 | Glass fiber mat for waterproof coiled material base and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100973632A CN1990929A (en) | 2005-12-31 | 2005-12-31 | Glass fiber mat for waterproof coiled material base and preparation method thereof |
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| CN1990929A true CN1990929A (en) | 2007-07-04 |
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| CNA2005100973632A Pending CN1990929A (en) | 2005-12-31 | 2005-12-31 | Glass fiber mat for waterproof coiled material base and preparation method thereof |
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Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101826604A (en) * | 2010-05-28 | 2010-09-08 | 中材金晶玻纤有限公司 | Battery separator felt with low reduzate and ion contents and preparation method thereof |
| CN101831761A (en) * | 2010-05-28 | 2010-09-15 | 中材金晶玻纤有限公司 | Method for producing environmental-friendly glass fiber facing felt |
| CN102011322A (en) * | 2010-10-09 | 2011-04-13 | 江苏长海复合材料股份有限公司 | Preparation method for flame-retardant felt |
| CN102108602A (en) * | 2010-11-24 | 2011-06-29 | 嘉禾县宏运复合材料有限公司 | Glass fiber chopped strand mat process |
| CN102277798A (en) * | 2011-04-22 | 2011-12-14 | 常州天马集团有限公司 | Glass fiber thin felt and preparation method thereof |
| CN102767122A (en) * | 2012-07-31 | 2012-11-07 | 江苏嘉福玻纤制品有限公司 | Glass fiber mat with clathration reinforcing ribs |
| WO2013026247A1 (en) * | 2011-08-22 | 2013-02-28 | 福建赛特新材股份有限公司 | Glass fiber chopped strand mat, preparation method, and core material for vacuum heat insulating plate |
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| CN103255585A (en) * | 2013-05-30 | 2013-08-21 | 江苏嘉福玻纤制品有限公司 | Low-gel-content glass fiber reinforced mat for waterproof coiled material |
| CN103726218A (en) * | 2014-01-16 | 2014-04-16 | 常州中新天马玻璃纤维制品有限公司 | Material seepage prevention reinforcement glass fiber mat and preparation method thereof |
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-
2005
- 2005-12-31 CN CNA2005100973632A patent/CN1990929A/en active Pending
Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101831761A (en) * | 2010-05-28 | 2010-09-15 | 中材金晶玻纤有限公司 | Method for producing environmental-friendly glass fiber facing felt |
| CN101826604A (en) * | 2010-05-28 | 2010-09-08 | 中材金晶玻纤有限公司 | Battery separator felt with low reduzate and ion contents and preparation method thereof |
| CN102011322A (en) * | 2010-10-09 | 2011-04-13 | 江苏长海复合材料股份有限公司 | Preparation method for flame-retardant felt |
| CN102108602A (en) * | 2010-11-24 | 2011-06-29 | 嘉禾县宏运复合材料有限公司 | Glass fiber chopped strand mat process |
| CN102277798B (en) * | 2011-04-22 | 2013-04-24 | 常州天马集团有限公司 | Glass fiber thin felt and preparation method thereof |
| CN102277798A (en) * | 2011-04-22 | 2011-12-14 | 常州天马集团有限公司 | Glass fiber thin felt and preparation method thereof |
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