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    • 3. 发明授权
    • Papermaking press felt and papermaking method
    • 造纸印花毡和造纸方法
    • US08303775B2
    • 2012-11-06
    • US12823690
    • 2010-06-25
    • Takao YazakiTakashi OuchiHiroyuki OdaHirofumi MurakamiYuya Takamori
    • Takao YazakiTakashi OuchiHiroyuki OdaHirofumi MurakamiYuya Takamori
    • D21F7/08
    • D21F7/083
    • A papermaking felt which can be easily engaged in a papermaking machine, wherein the work time for engaging the felt is short, the initial warming-up period until reaching the highest papermaking speed is short, and the felt life is long, which is achieved by integrating and attaching by dispersion in the batt layer of the felt a polymeric elastomer having high deformability when pressure is applied and good recoverability after pressure is applied, which polymeric elastomer is attached in an amount of 0.5 to 20 wt. % of the felt, and which polymeric elastomer has a property that when in the form of a film and when measured at a room temperature of 20° C. and a relative humidity of 65%, the 100% modulus value of the film is 1 to 100 kg/cm2, the residual strain after 100% elongation is 30% or less.
    • 一种可容易地接合在造纸机中的造纸毡,其中用于接合毛毯的工作时间短,直到达到最高造纸速度的初始加热时间短,并且毛毡寿命长,这通过 通过在毡的毛层中的分散体积分和附着在施加压力时具有高变形性的聚合弹性体,并且在施加压力之后具有良好的可回复性,该聚合弹性体以0.5至20重量%的量附着。 %的毛毡,并且哪种聚合物弹性体具有当以膜的形式并且当在室温为20℃和相对湿度为65%下测量时,膜的100%模量值为1 至100kg / cm 2,100%伸长后的残余应变为30%以下。
    • 4. 发明申请
    • PAPER MAKING SHOE PRESS BELT
    • PAPER MAKEING SHOE PRESS BELT
    • US20130192788A1
    • 2013-08-01
    • US13541946
    • 2012-07-05
    • Takao YazakiShintaro YamazakiYuya Takamori
    • Takao YazakiShintaro YamazakiYuya Takamori
    • D21F7/08
    • D21F3/0227
    • A paper making shoe press belt includes a reinforcing fiber substrate and a polyurethane laminate. The reinforcing fiber substrate is embedded in at least one layer of the polyurethane laminate. At least one layer of the polyurethane laminate includes a polyurethane obtained by heat-curing a urethane prepolymer together with a mixed curing agent. The urethane prepolymer includes a terminal isocyanate group and is obtained by reacting a diisocyanate compound and a long-chain polyol. The diisocyanate compound includes at least one of toluene-diisocyanate, diphenylmethane-diisocyanate, and paraphenylene-diisocyanate. The mixed curing agent includes 70-99.5 mol % of dimethylthiotoluenediamine and 0.5-30 mol % of a curing agent. The curing agent includes at least one of diethyltoluenediamine and hydroquinone bis (β-hydroxyethyl) ether. An equivalent ratio of active hydrogen groups of the mixed curing agent to isocyanate groups of the urethane prepolymer is from 1.02 to 1.15.
    • 造纸靴压榨带包括增强纤维基材和聚氨酯层压板。 增强纤维基材嵌入至少一层聚氨酯层压板中。 至少一层聚氨酯层压体包括通过将氨基甲酸酯预聚物与混合的固化剂一起热固化得到的聚氨酯。 氨基甲酸酯预聚物包括末端异氰酸酯基团,并且通过二异氰酸酯化合物和长链多元醇反应获得。 二异氰酸酯化合物包括甲苯 - 二异氰酸酯,二苯基甲烷 - 二异氰酸酯和对亚苯基 - 二异氰酸酯中的至少一种。 混合固化剂包括70-99.5mol%的二甲基硫代甲苯二胺和0.5-30mol%的固化剂。 固化剂包括二乙基甲苯二胺和氢醌双(β-羟乙基)醚中的至少一种。 混合固化剂的活性氢基团与氨基甲酸酯预聚物的异氰酸酯基团的当量比为1.02-1.15。
    • 5. 发明申请
    • PAPERMAKING SHOE PRESS BELT
    • PAPERMAKING SHOE PRESS皮带
    • US20110017419A1
    • 2011-01-27
    • US12718218
    • 2010-03-05
    • Takao YazakiShintaro YamazakiYuya Takamori
    • Takao YazakiShintaro YamazakiYuya Takamori
    • D21G9/00B05D3/02
    • D21F3/0227D21F3/0236Y10S162/901
    • A papermaking shoe press belt is formed of a reinforcing fiber base material and a polyurethane layer integrated with each other. The reinforcing fiber base material is embedded in the polyurethane layer. The papermaking shoe press belt includes, as the polyurethane layer, a polyurethane layer obtainable by curing a composition composed in combination of a urethane prepolymer and one or more curing agent. The urethane prepolymer is obtainable by reacting a p-phenylene diisocyanate compound with a long-chain polyol. The at least one curing agent is selected from 4,4′-methylene bis(2,6-diethyl-3-chloroaniline), 4,4′-methylene bis(2-chloroaniline), methylene bis(2-ethyl-6-methylaniline), 4,4′-methylene bis(2-ethylbenzeneamine), methylene bis(2,3-dichloroaniline), 4,4′-methylenedianiline, 3,5-dimethylthiotoluene-2,4-diamine, 3,5-dimethylthiotoluene-2,6-diamine, 3,5-diethyltoluene-2,4-diamine, 3,5-diethyltoluene-2,6-diamine, polytetramethylene oxide di-p-aminobenzoate, poly(tetramethylene/3-methyl tetramethylene ether)glycol bis(4-aminobenzoate), trimethylene bis(4-aminobenzoate) and isobutyl 4-chloro-3,5-diaminobenzoate.
    • 造纸靴式压榨带由增强纤维基材和一体化的聚氨酯层形成。 增强纤维基材嵌入聚氨酯层中。 造纸靴式压榨带包含作为聚氨酯层的聚氨酯层,其通过固化由氨基甲酸酯预聚物和一种或多种固化剂组合组成的组合物而获得。 氨基甲酸酯预聚物可通过使对苯二异氰酸酯化合物与长链多元醇反应而获得。 所述至少一种固化剂选自4,4'-亚甲基双(2,6-二乙基-3-氯苯胺),4,4'-亚甲基双(2-氯苯胺),亚甲基双(2-乙基-6- 甲基苯胺),4,4'-亚甲基双(2-乙基苯胺),亚甲基双(2,3-二氯苯胺),4,4'-亚甲基二苯胺,3,5-二甲基硫代甲苯-2,4-二胺,3,5-二甲基硫代甲苯 -2,6-二胺,3,5-二乙基甲苯-2,4-二胺,3,5-二乙基甲苯-2,6-二胺,聚对二氨基苯甲酸二亚烷基酯,聚(四亚甲基/ 3-甲基四氢呋喃醚)二醇 双(4-氨基苯甲酸酯),三亚甲基双(4-氨基苯甲酸酯)和4-氯-3,5-二氨基苯甲酸异丁酯。
    • 6. 发明授权
    • Papermaking shoe press belt
    • 造纸靴压榨带
    • US07955475B2
    • 2011-06-07
    • US12718218
    • 2010-03-05
    • Takao YazakiShintaro YamazakiYuya Takamori
    • Takao YazakiShintaro YamazakiYuya Takamori
    • D21F3/02
    • D21F3/0227D21F3/0236Y10S162/901
    • A papermaking shoe press belt is formed of a reinforcing fiber base material and a polyurethane layer integrated with each other. The reinforcing fiber base material is embedded in the polyurethane layer. The papermaking shoe press belt includes, as the polyurethane layer, a polyurethane layer obtainable by curing a composition composed in combination of a urethane prepolymer and one or more curing agent. The urethane prepolymer is obtainable by reacting a p-phenylene diisocyanate compound with a long-chain polyol. The at least one curing agent is selected from 4,4′-methylene bis(2,6-diethyl-3-chloroaniline), 4,4′-methylene bis(2-chloroaniline), methylene bis(2-ethyl-6-methylaniline), 4,4′-methylene bis(2-ethylbenzeneamine), methylene bis(2,3-dichloroaniline), 4,4′-methylenedianiline, 3,5-dimethylthiotoluene-2,4-diamine, 3,5-dimethylthiotoluene-2,6-diamine, 3,5-diethyltoluene-2, 4-diamine, 3,5-diethyltoluene-2,6-diamine, polytetramethylene oxide di-p-aminobenzoate, poly(tetramethylene/3-methyl tetramethylene ether)glycol bis(4-aminobenzoate) , trimethylene bis(4-aminobenzoate) and isobutyl 4-chloro-3,5-diaminobenzoate.
    • 造纸靴式压榨带由增强纤维基材和一体化的聚氨酯层形成。 增强纤维基材嵌入聚氨酯层中。 造纸靴式压榨带包含作为聚氨酯层的聚氨酯层,其通过固化由氨基甲酸酯预聚物和一种或多种固化剂组合组成的组合物而获得。 氨基甲酸酯预聚物可通过使对苯二异氰酸酯化合物与长链多元醇反应而获得。 所述至少一种固化剂选自4,4'-亚甲基双(2,6-二乙基-3-氯苯胺),4,4'-亚甲基双(2-氯苯胺),亚甲基双(2-乙基-6- 甲基苯胺),4,4'-亚甲基双(2-乙基苯胺),亚甲基双(2,3-二氯苯胺),4,4'-亚甲基二苯胺,3,5-二甲基硫代甲苯-2,4-二胺,3,5-二甲基硫代甲苯 -2,6-二胺,3,5-二乙基甲苯-2,4-二胺,3,5-二乙基甲苯-2,6-二胺,聚对四甲苯二胺二对氨基苯甲酸酯,聚(四亚甲基/ 3-甲基四氢呋喃醚)二醇 双(4-氨基苯甲酸酯),三亚甲基双(4-氨基苯甲酸酯)和4-氯-3,5-二氨基苯甲酸异丁酯。
    • 9. 发明申请
    • SHOE PRESS BELT
    • 鞋类皮带
    • US20100147480A1
    • 2010-06-17
    • US12600487
    • 2008-05-14
    • Takao YazakiNobuharu SuzukiShintaro YamazakiAtsushi Ishino
    • Takao YazakiNobuharu SuzukiShintaro YamazakiAtsushi Ishino
    • D21F3/00
    • D21F3/0227Y10S162/901
    • Disclosed is a shoe press belt (10) which comprises a reinforcing fibrous base material (6) embedded in a polyurethane layer, and has an outer circumference layer (2a) and an inner circumference layer (2b) each formed with a polyurethane. The polyurethane layer constituting the outer circumference layer (2a) comprises a polyurethane which is cured by the reaction of an urethane prepolymer (A) with a curing agent mixture (B). The urethane prepolymer (A) is produced by reacting an isocyanate compound selected from p-phenylene-diisocyanate and 4,4′-methylenebis(phenylisocyanate) with a polytetramethylene glycol and has an isocyanate group at its terminal. The curing agent mixture (B) comprises 1,4-butanediol and an aromatic polyamine having an active hydrogen group (H). The shoe press belt has excellent wear resistance, cracking resistance and bending fatigue resistance.
    • 公开了一种靴式压榨带(10),其包括嵌入聚氨酯层中的增强纤维基材(6),并且具有各自形成有聚氨酯的外周层(2a)和内周层(2b)。 构成外周层(2a)的聚氨酯层包含通过氨基甲酸酯预聚物(A)与固化剂混合物(B)的反应固化的聚氨酯。 氨基甲酸酯预聚物(A)通过使选自对苯二异氰酸酯和4,4'-亚甲基双(异氰酸苯酯)的异氰酸酯化合物与聚四亚甲基二醇反应而制备,并在其末端具有异氰酸酯基。 固化剂混合物(B)包含1,4-丁二醇和具有活性氢基团(H)的芳香族多胺。 靴式压榨带具有优异的耐磨性,抗开裂性和抗弯曲疲劳性。