CN106436443A - Light and high-strength glass fiber filter paper and preparation method thereof - Google Patents
Light and high-strength glass fiber filter paper and preparation method thereof Download PDFInfo
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- 239000003365 glass fiber Substances 0.000 title claims abstract description 74
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 239000000853 adhesive Substances 0.000 claims abstract description 27
- 230000001070 adhesive effect Effects 0.000 claims abstract description 27
- 239000002994 raw material Substances 0.000 claims abstract description 25
- 239000011521 glass Substances 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims abstract description 5
- 238000007664 blowing Methods 0.000 claims abstract description 3
- 239000007788 liquid Substances 0.000 claims abstract description 3
- 229920000742 Cotton Polymers 0.000 claims description 9
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 8
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 8
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 5
- 229920000877 Melamine resin Polymers 0.000 claims description 5
- 239000004202 carbamide Substances 0.000 claims description 5
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 5
- 239000005011 phenolic resin Substances 0.000 claims description 5
- 229920001568 phenolic resin Polymers 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 239000002270 dispersing agent Substances 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 239000011268 mixed slurry Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 238000012986 modification Methods 0.000 claims description 4
- 230000004048 modification Effects 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 239000002893 slag Substances 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims 2
- 238000005491 wire drawing Methods 0.000 claims 1
- 238000002844 melting Methods 0.000 abstract description 3
- 230000008018 melting Effects 0.000 abstract description 3
- 238000005507 spraying Methods 0.000 abstract description 2
- 239000006185 dispersion Substances 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 238000003825 pressing Methods 0.000 abstract 1
- 239000000835 fiber Substances 0.000 description 11
- 238000001914 filtration Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000009413 insulation Methods 0.000 description 4
- -1 polypropylene Polymers 0.000 description 4
- 238000004887 air purification Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 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 1
- 239000004831 Hot glue Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229920002978 Vinylon Polymers 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229920005822 acrylic binder Polymers 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000010285 flame spraying Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/36—Inorganic fibres or flakes
- D21H13/38—Inorganic fibres or flakes siliceous
- D21H13/40—Inorganic fibres or flakes siliceous vitreous, e.g. mineral wool, glass fibres
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
- D21F11/14—Making cellulose wadding, filter or blotting paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/50—Spraying or projecting
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
- D21H25/04—Physical treatment, e.g. heating, irradiating
- D21H25/06—Physical treatment, e.g. heating, irradiating of impregnated or coated paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/08—Filter paper
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
- Glass Compositions (AREA)
- Filtering Materials (AREA)
Abstract
Description
技术领域technical field
本发明属于空气过滤领域，涉及一种空气过滤纸，特别涉及一种轻质高强度玻璃纤维滤纸及其制备方法。The invention belongs to the field of air filtration, and relates to an air filter paper, in particular to a light-weight high-strength glass fiber filter paper and a preparation method thereof.
背景技术Background technique
玻璃纤维纸/毡有着极好的阻燃、吸音、保温性能，同时具备质轻、价廉等优点。目前，玻璃纤维纸在家居装潢、建筑外墙节能保温、空气净化等领域得到了广泛的应用。玻璃纤维空气过滤纸是空气过滤器滤芯的关键组成部分，其厚度、克重、强度、刚度等性能决定了空气过滤器的性能。玻璃纤维空气过滤纸主要应用于特殊环境下的空气过滤，将空气中扩散的油分子通过空气过滤材料阻挡或截留在外部，保护受油分子污染环境的空间。由于过滤器是将玻璃纤维空气过滤纸经过打折、机折成滤芯，经过热熔胶固定成型固定在外框上，因此玻璃纤维空气过滤纸的厚度、强度必须满足过滤器使用工况的要求，使过滤器适合于不同的风速、流量，适用于不同的环境温度要求。Glass fiber paper/felt has excellent flame retardant, sound-absorbing, and thermal insulation properties, and also has the advantages of light weight and low price. At present, glass fiber paper has been widely used in home decoration, energy-saving insulation of building exterior walls, air purification and other fields. Glass fiber air filter paper is a key component of the air filter element, and its thickness, weight, strength, stiffness and other properties determine the performance of the air filter. Glass fiber air filter paper is mainly used for air filtration in special environments, to block or trap the oil molecules diffused in the air through the air filter material, and to protect the space polluted by oil molecules. Since the filter is made of glass fiber air filter paper after discounting and machine folding into a filter element, which is fixed on the outer frame by hot melt adhesive, the thickness and strength of the glass fiber air filter paper must meet the requirements of the working conditions of the filter. Filters are suitable for different wind speeds and flow rates, and are suitable for different ambient temperature requirements.
公开号为CN 103721477 A的中国专利上公开了一种高强度玻璃纤维空气过滤纸及其制备方法，该高强度玻璃纤维空气过滤纸由玻璃纤维与胶黏剂组成，玻璃纤维在一个平面内均匀的随机分布，多个玻璃纤维间形成微米级的间隙，胶黏剂裹覆在玻璃纤维间的交织点上，形成网状连接面。玻璃纤维由玻璃纤维短切丝和/或玻璃纤维棉组成，胶黏剂由无机硅胶或胶态矾土或它们的组合，克服现有的玻璃纤维纸强度低、高温过滤效果不好等缺点，该种高强度玻璃纤维空气过滤纸可用作建筑、机械、热能等领域的隔热元件或隔热填料，也可以用于空气净化装置。但是这种方法制备的滤纸容重较大，并且过滤效率较差。The Chinese patent with the publication number CN 103721477 A discloses a high-strength glass fiber air filter paper and its preparation method. The high-strength glass fiber air filter paper is composed of glass fiber and adhesive, and the glass fiber is uniform in a plane. The random distribution of multiple glass fibers forms micron-scale gaps, and the adhesive is wrapped on the interweaving points between the glass fibers to form a mesh connection surface. The glass fiber is composed of glass fiber chopped strands and/or glass fiber cotton, and the adhesive is made of inorganic silica gel or colloidal alumina or their combination, which overcomes the shortcomings of the existing glass fiber paper, such as low strength and poor high-temperature filtration effect, The high-strength glass fiber air filter paper can be used as heat insulation elements or heat insulation fillers in the fields of construction, machinery, heat energy, etc., and can also be used in air purification devices. However, the filter paper prepared by this method has a large bulk density and poor filtration efficiency.
公开号为CN 102505554 A的中国专利上公开了一种高强度玻璃纤维空气过滤纸，在有机纤维中添加涤纶、芳纶、腈纶、丙纶、维纶等有机纤维，纤维长度优选3～15mm，纤维直径优选0.3～5dan。不仅提高了玻璃纤维空气过滤纸常态下的强度和挺度，同时均匀分散在纸页中的有机纤维在高温时熔化成为粘结剂，弥补了因丙烯酸类粘结剂高温分解后丧失的强度。同时有机纤维的高弹性，保证了空气过滤纸的透气性及过滤效率，确保制成的高效空气过滤器可在大于或等于250℃温度下连续工作。但是这种设计依然存在滤纸容重较大的问题，使用过程中造成设备能耗较高。The Chinese patent with the publication number CN 102505554 A discloses a high-strength glass fiber air filter paper. Organic fibers such as polyester, aramid, acrylic, polypropylene, and vinylon are added to the organic fibers. The fiber length is preferably 3 to 15 mm, and the fiber diameter Preferably 0.3-5 dan. It not only improves the strength and stiffness of glass fiber air filter paper under normal conditions, but also the organic fibers uniformly dispersed in the paper sheet melt into a binder at high temperature, making up for the strength lost after the high temperature decomposition of the acrylic binder. At the same time, the high elasticity of the organic fiber ensures the air permeability and filtration efficiency of the air filter paper, and ensures that the high-efficiency air filter can work continuously at a temperature greater than or equal to 250°C. However, this design still has the problem of large filter paper bulk density, which causes high energy consumption of the equipment during use.
发明内容Contents of the invention
本发明的目的旨在克服现有技术的不足，提供一种轻质高强度玻璃纤维滤纸及其制备方法。通过使用双组份空心玻璃纤维作为制作滤材的材料，既发挥了双组份纤维自然弯曲、相互扣解的特性，使得纤维之间不易滑动，提高了滤纸的稳定性，再结合胶黏剂的粘结作用，滤纸的强度极大提高，此外，将双组份纤维做出空心形式，既减轻了滤材自身的重量，也使得滤材的比表面积大大增加，过滤效率极大提高。The purpose of the present invention is to overcome the deficiencies of the prior art and provide a light-weight high-strength glass fiber filter paper and a preparation method thereof. By using two-component hollow glass fiber as the material for making the filter material, it not only exerts the characteristics of natural bending and interlocking of the two-component fibers, making it difficult for the fibers to slide, improving the stability of the filter paper, and combining with the adhesive The bonding effect of the filter paper greatly improves the strength of the filter paper. In addition, the bi-component fiber is made into a hollow form, which not only reduces the weight of the filter material itself, but also greatly increases the specific surface area of the filter material and greatly improves the filtration efficiency.
为实现本发明的目的采用的技术方案是：一种轻质高强度玻璃纤维滤纸，由双组份空心玻璃纤维与胶黏剂组成，其特征在于所述的双组份空心玻璃纤维空心率为0.60～0.95、平均直径为0.8～7.2μm、长径比为16～78，截面为圆形或者椭圆形的中的一种或者两者的混合，所述的双组份玻璃纤维由两种组分的玻璃原料分别在两个窑炉熔化后形成混合液，再经1450～1550℃高温火焰喷吹拉丝形成，其中第一种组分玻璃原料膨胀系数为4.5×10-6～6.0×10-6/℃，成分以质量计算为：45～76％SiO2，6～22％Al2O3，6～20％MgO，0～3％CaO，0～2％FeO，0～2％NaO+K2O；第二种组分玻璃原料膨胀系数为8.0×10-6～10.0×10-6/℃，成分以质量计算为：45～76％SiO2，6～22％Al2O3，6～20％MgO，0～3％CaO，0～2％FeO，8～22％NaO+K2O。The technical scheme adopted for realizing the object of the present invention is: a kind of light weight high-strength glass fiber filter paper, is made up of two-component hollow glass fiber and adhesive, is characterized in that the hollow rate of described two-component hollow glass fiber is 0.60 to 0.95, average diameter of 0.8 to 7.2 μm, aspect ratio of 16 to 78, circular or elliptical cross-section or a mixture of both, the two-component glass fiber is composed of two components The divided glass raw materials are melted in two furnaces to form a mixed liquid, and then formed by high-temperature flame spraying and drawing at 1450-1550 °C. The expansion coefficient of the first component glass raw material is 4.5×10 -6 to 6.0×10 - 6 /°C, the composition is calculated by mass: 45-76% SiO 2 , 6-22% Al 2 O 3 , 6-20% MgO, 0-3% CaO, 0-2% FeO, 0-2% NaO+ K 2 O; the expansion coefficient of the second component glass raw material is 8.0×10 -6 ~ 10.0×10 -6 /℃, and the composition is calculated by mass: 45~76% SiO 2 , 6~22% Al 2 O 3 , 6-20% MgO, 0-3% CaO, 0-2% FeO, 8-22% NaO+K 2 O.
所述的双组份玻璃纤维中第一种组分玻璃原料占两种组分的玻璃原料的30％～60％wt，其中优选45％～55％。The first component glass raw material in the two-component glass fiber accounts for 30%-60%wt of the two-component glass raw material, preferably 45%-55%.
所述的胶黏剂位为酚醛树脂胶黏剂或三聚氰胺与尿素改性的酚醛树脂胶黏剂中的一种，其中优选三聚氰胺与尿素改性的酚醛树脂胶黏剂。The adhesive is one of phenolic resin adhesive or melamine and urea modified phenolic resin adhesive, wherein melamine and urea modified phenolic resin adhesive is preferred.
本发明还公开了一种轻质高强度玻璃纤维滤纸的制备方法，其特征在于包括以下步骤：The invention also discloses a method for preparing light-weight high-strength glass fiber filter paper, which is characterized in that it comprises the following steps:
(1)将玻璃纤维加入到打浆机中进行分散，以水为分散剂和溶剂，把玻璃纤维原料离解成棉浆；(1) join glass fiber in the beater and disperse, use water as dispersant and solvent, dissociate glass fiber raw material into cotton pulp;
(2)将棉浆、水溶液输送至配浆池中搅拌并进行除渣处理，浆料中的固含量控制在0.25～0.6％wt，PH控制在3～7，含气量控制在3～6％；(2) Transport the cotton pulp and aqueous solution to the pulp mixing tank for stirring and slag removal. The solid content in the slurry is controlled at 0.25-0.6%wt, the pH is controlled at 3-7, and the gas content is controlled at 3-6%. ;
(3)将搅拌均匀的混合料浆输送至双网挤浆机的过滤网上进行抄造，厚度控制在0.1～2mm之间，将抄造所得物进行真空抽吸除水并压榨后制得纸坯；(3) Transfer the evenly stirred mixed slurry to the filter screen of the twin-wire press machine for papermaking, the thickness of which is controlled between 0.1 and 2 mm, and vacuum suction and squeeze the papermaking result to obtain a paper blank;
(4)将胶黏剂稀释至10～40倍，均匀地喷洒于玻璃纤维纸坯上，多余的胶黏剂由抽吸箱抽吸，经分离罐分离后重新回到循环胶罐中；(4) Dilute the adhesive to 10 to 40 times, and spray it evenly on the glass fiber paper base. The excess adhesive is sucked by the suction box, separated by the separation tank, and then returned to the circulating glue tank;
(5)将施胶处理后的玻璃纤维纸坯进入烘箱在260～300℃条件下，烘干1～5min，即获得轻质高强度玻璃纤维滤纸。(5) Put the sized glass fiber paper base into an oven at 260-300° C., and dry it for 1-5 minutes to obtain light-weight high-strength glass fiber filter paper.
本发明所具有的有益效果是：①轻质，由于采用了空心玻璃纤维的结构，因此滤纸在保证相同过滤效率的条件下，质量更轻这就使得滤纸运用于可移动设施上的时候耗油更少，节能，环保；②强度高，由于纤维采用双组份形式，纤维之间相互缠绕、扣解更加紧密，使得滤纸的强度极大的提高，增加了其使用寿命。The beneficial effects of the present invention are as follows: ① light weight, because the hollow glass fiber structure is adopted, the filter paper is lighter in weight under the condition of ensuring the same filtration efficiency, which makes the filter paper consume more fuel when it is used on mobile facilities Less, energy saving, and environmental protection; ② High strength, because the fibers are in the form of two components, the fibers are intertwined and buckled more tightly, which greatly improves the strength of the filter paper and increases its service life.
具体实施方式detailed description
下面结合具体实施例，进一步阐明本发明，应理解这些实施例仅用于说明本发明而不用于限制本发明的范围，在阅读了本发明之后，本领域技术人员对本发明的各种等价形式的修改均落于本申请所附权利要求所限定。Below in conjunction with specific embodiment, further illustrate the present invention, should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various equivalent forms of the present invention All modifications are within the limits of the appended claims of this application.
实施例1Example 1
一种轻质高强度玻璃纤维滤纸，由双组份空心玻璃纤维与胶黏剂组成，其特征在于所述的双组份空心玻璃纤维空心率为0.60、平均直径为0.8μm、长径比为16，截面为圆形，所述的双组份玻璃纤维由两种组分的玻璃原料分别在两个窑炉熔化后形成混合液，再经1450℃高温火焰喷吹拉丝形成，其中第一种组分玻璃原料膨胀系数为4.5×10-6，成分以质量计算为：76％SiO2，11％Al2O3，10％MgO，3％CaO，0％FeO，0％NaO+K2O；第二种组分玻璃原料膨胀系数为8.0×10-6，成分以质量计算为：70％SiO2，8％Al2O3，7％MgO，6％CaO，1％FeO，8％NaO+K2O。A light-weight high-strength glass fiber filter paper, which is composed of two-component hollow glass fibers and an adhesive, is characterized in that the hollow ratio of the two-component hollow glass fibers is 0.60, the average diameter is 0.8 μm, and the aspect ratio is 16. The cross-section is circular. The two-component glass fiber is formed by melting the two components of glass raw materials in two furnaces to form a mixed solution, and then spraying and drawing at a high temperature of 1450 ° C. The first one The expansion coefficient of the glass raw material is 4.5×10 -6 , and the composition is calculated by mass: 76% SiO 2 , 11% Al 2 O 3 , 10% MgO, 3% CaO, 0% FeO, 0% NaO+K 2 O ;The expansion coefficient of the second component glass raw material is 8.0×10 -6 , and the composition is calculated by mass: 70% SiO 2 , 8% Al 2 O 3 , 7% MgO, 6% CaO, 1% FeO, 8% NaO +K 2 O.
所述的双组份玻璃纤维中第一种组分玻璃原料占两种组分的玻璃原料的45％wt。The first component glass raw material in the two-component glass fiber accounts for 45%wt of the two-component glass raw materials.
所述的胶黏剂位为酚醛树脂胶黏剂。The adhesive is a phenolic resin adhesive.
本发明还公开了一种轻质高强度玻璃纤维滤纸的制备方法，其特征在于包括以下步骤：The invention also discloses a method for preparing light-weight high-strength glass fiber filter paper, which is characterized in that it comprises the following steps:
(1)将玻璃纤维加入到打浆机中进行分散，以水为分散剂和溶剂，把玻璃纤维原料离解成棉浆；(1) join glass fiber in the beater and disperse, use water as dispersant and solvent, dissociate glass fiber raw material into cotton pulp;
(2)将棉浆、水溶液输送至配浆池中搅拌并进行除渣处理，浆料中的固含量控制在0.25％wt，PH控制在3，含气量控制在3％；(2) Transport the cotton pulp and aqueous solution to the pulp mixing tank for stirring and carry out slag removal treatment, the solid content in the slurry is controlled at 0.25%wt, the pH is controlled at 3, and the gas content is controlled at 3%;
(3)将搅拌均匀的混合料浆输送至双网挤浆机的过滤网上进行抄造，厚度控制在0.1mm，将抄造所得物进行真空抽吸除水并压榨后制得纸坯；(3) The uniformly mixed slurry is transported to the filter screen of the double wire press machine for papermaking, the thickness is controlled at 0.1mm, and the papermaking result is vacuum suctioned to remove water and squeezed to obtain a paper base;
(4)将胶黏剂稀释至40倍，均匀地喷洒于玻璃纤维纸坯上，多余的胶黏剂由抽吸箱抽吸，经分离罐分离后重新回到循环胶罐中；(4) Dilute the adhesive to 40 times, and spray it evenly on the glass fiber paper base. The excess adhesive is sucked by the suction box, separated by the separation tank and returned to the circulating glue tank;
(5)将施胶处理后的玻璃纤维纸坯进入烘箱在260℃条件下，烘干1min，即获得轻质高强度玻璃纤维滤纸。(5) Put the sized glass fiber paper base into an oven at 260° C., and dry it for 1 min to obtain light and high-strength glass fiber filter paper.
实施例2Example 2
一种轻质高强度玻璃纤维滤纸，由双组份空心玻璃纤维与胶黏剂组成，其特征在于所述的双组份空心玻璃纤维空心率为0.95、平均直径为7.2μm、长径比为78，截面为椭圆形，所述的双组份玻璃纤维由两种组分的玻璃原料分别在两个窑炉熔化后形成混合液，再经1550℃高温火焰喷吹拉丝形成，其中第一种组分玻璃原料膨胀系数为6.0×10-6/℃，成分以质量计算为：45％SiO2，20％Al2O3，15％MgO，12％CaO，5％FeO，3％NaO+K2O；第二种组分玻璃原料膨胀系数为10.0×10-6/℃，成分以质量计算为：45％SiO2，17％Al2O3，15％MgO，1％CaO，0％FeO，22％NaO+K2O。A light-weight high-strength glass fiber filter paper, composed of two-component hollow glass fiber and adhesive, is characterized in that the hollow rate of the two-component hollow glass fiber is 0.95, the average diameter is 7.2 μm, and the aspect ratio is 78. The cross-section is elliptical. The two-component glass fiber is formed by melting the glass raw materials of the two components in two furnaces to form a mixed solution, and then it is formed by blowing and drawing a high-temperature flame at 1550 ° C. The first one The expansion coefficient of glass raw material is 6.0×10 -6 /℃, and the composition is calculated by mass: 45% SiO 2 , 20% Al 2 O 3 , 15% MgO, 12% CaO, 5% FeO, 3% NaO+K 2 O; the expansion coefficient of the second component glass raw material is 10.0×10 -6 /℃, and the composition is calculated by mass: 45% SiO 2 , 17% Al 2 O 3 , 15% MgO, 1% CaO, 0% FeO , 22% NaO+K 2 O.
所述的双组份玻璃纤维中第一种组分玻璃原料占两种组分的玻璃原料的60％wt。The first component glass raw material in the two-component glass fiber accounts for 60%wt of the two-component glass raw materials.
所述的胶黏剂位为三聚氰胺与尿素改性的酚醛树脂胶黏剂。The adhesive is melamine and urea modified phenolic resin adhesive.
本发明还公开了一种轻质高强度玻璃纤维滤纸的制备方法，其特征在于包括以下步骤：The invention also discloses a method for preparing light-weight high-strength glass fiber filter paper, which is characterized in that it comprises the following steps:
(1)将玻璃纤维加入到打浆机中进行分散，以水为分散剂和溶剂，把玻璃纤维原料离解成棉浆；(1) join glass fiber in the beater and disperse, use water as dispersant and solvent, dissociate glass fiber raw material into cotton pulp;
(2)将棉浆、水溶液输送至配浆池中搅拌并进行除渣处理，浆料中的固含量控制在0.6％wt，PH控制在7，含气量控制在6％；(2) Transport the cotton pulp and aqueous solution to the pulp mixing tank for stirring and carry out slag removal treatment, the solid content in the slurry is controlled at 0.6%wt, the pH is controlled at 7, and the gas content is controlled at 6%;
(3)将搅拌均匀的混合料浆输送至双网挤浆机的过滤网上进行抄造，厚度控制在2mm，将抄造所得物进行真空抽吸除水并压榨后制得纸坯；(3) The uniformly mixed slurry is transported to the filter screen of the double wire press machine for papermaking, the thickness is controlled at 2mm, and the papermaking result is vacuum suctioned to remove water and squeezed to obtain a paper blank;
(4)将胶黏剂稀释至40倍，均匀地喷洒于玻璃纤维纸坯上，多余的胶黏剂由抽吸箱抽吸，经分离罐分离后重新回到循环胶罐中；(4) Dilute the adhesive to 40 times, and spray it evenly on the glass fiber paper base. The excess adhesive is sucked by the suction box, separated by the separation tank and returned to the circulating glue tank;
(5)将施胶处理后的玻璃纤维纸坯进入烘箱在300℃条件下，烘干5min，即获得轻质高强度玻璃纤维滤纸。(5) Put the sized glass fiber paper base into an oven at 300° C., and dry it for 5 minutes to obtain light-weight high-strength glass fiber filter paper.
上述仅为本发明的两个具体实施方式，但本发明的设计构思并不局限于此，凡利用此构思对本发明进行非实质性的改动，均应属于侵犯本发明保护的范围的行为。但凡是未脱离本发明技术方案的内容，依据本发明的技术实质对以上实施例所作的任何形式的简单修改、等同变化与改型，仍属于本发明技术方案的保护范围。The above are only two specific implementations of the present invention, but the design concept of the present invention is not limited thereto, any insubstantial changes made to the present invention by using this concept should be an act of violating the scope of protection of the present invention. However, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (4)
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| CN112030313A (en) * | 2020-08-24 | 2020-12-04 | 江苏华跃玻璃制品有限公司 | Production process of high-light glass fiber mesh cloth |
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