TW309422B - - Google Patents
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- Publication number
- TW309422B TW309422B TW085114167A TW85114167A TW309422B TW 309422 B TW309422 B TW 309422B TW 085114167 A TW085114167 A TW 085114167A TW 85114167 A TW85114167 A TW 85114167A TW 309422 B TW309422 B TW 309422B
- Authority
- TW
- Taiwan
- Prior art keywords
- polymer particles
- water
- absorbent
- liquid
- polymer
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/60—Liquid-swellable gel-forming materials, e.g. super-absorbents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F2013/530481—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials
- A61F2013/530708—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the absorbency properties
- A61F2013/530715—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the absorbency properties by the acquisition rate
- A61F2013/530722—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the absorbency properties by the acquisition rate by the delayed absorbency
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/913—Material designed to be responsive to temperature, light, moisture
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Epidemiology (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Veterinary Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Biomedical Technology (AREA)
- Dispersion Chemistry (AREA)
- Hematology (AREA)
- Materials Engineering (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Description
309422 A7 _B7 五、發明説明(1 ) 〔發明之所靥技術領域〕 此發明係關於使用即丟尿片或生理用衛生棉等之使用 即丟之液嫌吸收性穿著物品。 〔以往之技術〕 以往,針對此種穿著物品。將從粉碎紙漿及髙吸水性 聚合物粒子所形成之吸液性核心由透液性薄片覆蓋使用係 ,作爲慣用技術被知道的。另,其高吸水性聚合物粒子, 帶有吸水及粘著性之粒子之間結合,而容易形成凝膠膠塊 也被知道。關於凝膠膝塊係,因阻止在吸液性核心內之髏 液之浸透而作用,例如,如形成於核心表層附近時,將成 爲體液構漏之原因。 〔欲解決發明之課題〕 經濟部中央樣準局員工消费合作杜印製 (請先閲讀背面之注意事項再填寫本頁) 爲防止如此之高吸水性聚合物粒子之凝膠膠塊形成之 方法一係,將聚合物粒子與其同時使用分散於粉碎紙漿等 之吸水性纖維質材料,不要使粒子之間緊密接合。不過, 因吸液性核心之大小有著限度,如此之聚合物粒子之使用 方法係其使用置受到約制,如所想的無法使用多董之聚合 物粒子。爲消解此問題,將吸水速度快之聚合物粒子與吸 水速度慢之聚合物粒子併用。例如,將吸水速度不同之2 種類聚合物粒子混合,其混合物形成爲吸液性核心中之一 層所使用。不過如2種類聚合物粒子之粒徑差異大時,將 其均一混合係爲困難。另,不將其2種類之聚合物粒子混 本紙浪尺度適用中國國家揉準(CNS ) A4洗格(210X297公釐) " 309422 經濟部中央揉準局負工消費合作社印製 A 7 B7 五、發明説明(2 ) 合,各自形成於吸液性核心中之各層,速度慢之聚合物粒 子層位置於上方,速度快之聚合物粒子層位匿於其下方, 於兩層間可介入粉碎紙槳之構成,但,於此情況在吸收性 核心之製造工程上,聚合物粒子之供給最少要進行2次, 而工程只有變成如此複雜。 在此,此發明係,應一舉解決前述以往之技術問題, 課題爲在吸液性核心內之高給水性聚合物粒子不易形成凝 膠膠塊。 〔欲解決課題之手段〕 爲解決前述課題,爲作此發明之前提爲,將吸水性織 維質材料及由高吸水性聚合物粒子所形成之吸液性核心之 最少一部份由透液性薄片覆盖之使用即丟之液髗吸收性穿 著物品。 針對關於前提,有著,前述聚合物粒子由下述條件的 測定1 0秒以下之短吸水時間之第1聚合物粒子及有著比 於該第1聚合物粒子多1 0秒以上之長吸水時間,且根據 與該第1聚合物粒子接合爲一嫌之第2聚合物粒子所構成 爲此發明之特徵。 測定條件 (1)將〇· 9%食鹽水25mj?放入50mi燒杯 內,由磁力攪拌器,使直徑7mm,長2 Otnm之旋帱成 份在5 0 Or. p.m下旋轉攪拌 本紙張尺度適用中國國家標準(CN.S > A4规格(210X297公釐) ----------|_^-----T----i—A I (請先閲讀背面之注意事項再填寫本頁) 經濟部中央揉準局員工消費合作社印装 309422 A7 B7__ 五、發明説明(3 ) (2)將1g之高吸水性聚合物粒子放入聚拌中之燒 杯,根據目視,測定此聚合物粒子,全量吸收前述食鹽水 所薔要之吸水時間。 〔實施例〕 參照添付之圖面,作爲使用即丟之液髄吸收性穿著物 品,將使用即丟尿片爲例,此發明之詳細說明爲以下所述 Ο 於圇1由部份破斷斜視圓所示之尿片1係,根據透液 性表面薄片2及,不透液性內面薄片3及介於道兩薄片2 ,3之間之吸液性核心4所構成,兩薄片2,3係由核心 4之周邊延伸部份重合,不透水地合。尿片1之長度方向 係,前側腰部區域(前身部)6及後側腰部區域(後身部 )7及,於這些前後側腰部區域6,7之間形成有股下區 域8,於後側腰區域7之前邊緣9及股下區域8之左右谷 側邊緣,各自有著腰園彈性材料13及腳園彈性材料14 ,於外內面薄片2 ,3之間有著道兩材料1 3,1 4於兩 薄片2 ,3之最少一方之內面由伸長狀態接合著。於後側 腰部區域7之左右各側邊緣部16有著紙帶接合件。 圖2係,爲圖1之I I 一 I I虛線剖面圓。針對此圖 ,核心4係,上層2 1及下層2 2,構成有由面紙2 3覆 蓋這些上下層2 1 ,2 2。上層2 1係爲,有著面積重置 1 9 0 g/m2,重置9 0%之粉碎紙漿2 5與重最1 〇 %之熱熔性嫌維2 6之混合物。下屠2 2係,有著面稹重 本紙張尺度逋用中國國家標準(CNS ) A4规格(210X2197公釐) ----------^1*^.-- (請先閲讀背面之注意事項再填寫本頁) 一訂---
A 經濟部中央橾準扃負工消费合作杜印製 S0Q422 β77 五、發明説明(4 ) 置4 3 0 g/m2,由重置5 0%之粉碎紙漿2 5與,重 童5%之熱熔性織維2 6與,重量4 5%之高吸水性聚合 物粒子所構成,聚合物粒子2 7將層構成分佈,於其上下 有著粉碎紙漿2 5與熱熔織維2 6之混合物層2 8A, 28B。上下層21 ,22係,根據,被熱處理各層內與 靥間之熱熔織維2 5相互熔合,將其一體化,防止核心 4全體型狀溃散*面紙2 3係,針對尿片1之製造工程防 止粉碎紙漿2 5等之飛散,可容易地處理核心4,根據核 心4之性質狀態可將其使用省略。 於圖3由模示的擴大圔表示髙給水性聚合物粒子2 7 係,吸水速度相對的快速,粒徑較小之第1聚合物粒子 2 7 A與此粒子接合,吸水速度相對的緩慢,由粒徑較大 之第2聚合物粒子27B所構成,有著作爲全體〇. 2〜 0. 8mm之粒徑•第1聚合物粒子27A與第2聚合物 粒子2 7 B係,有著接下來在測定條件下1 〇秒以上之吸 水時間差,且,第1聚合物粒子2 7A係,有著1 〇秒以 下之短吸水時間。 吸水時間之測定條件 (1) 將25m5之10. 9%食鹽水放入50m5 燒杯內,根據磁力攪拌器,使直徑7mm,長2 0mm之 旋轉成份在500r. p. m下旋轉攪拌 (2) 將1g之髙吸水性聚合物粒子放入聚拌中之燒 杯內•根據目視,測定其聚合物粒子將食鹽水全量吸收所 本纸張尺度適用中國國家梯準(CNS ) A4规格(210X297公釐) -------------------IT----.11(,_ (請先閲讀背面之注意事項再填寫本頁) 7 ύϋ,·4£2 Α7 ___Β7__ _ 五、發明説明(5 ) 需要之吸水時間。 爲吸水速度之不同,第1 ,第2聚合物粒子2 7Α, 2 7 Β之複合體之聚合物粒子2 7係,例如,根據使水溶 性乙烯性不飽和單量髏聚合反應針對,將吸水速度快速之 第1聚合物粒子2 7 Α製造之過程,由將吸水速度緩慢之 第2聚合物粒子2 7 B添加於其聚合反應系可得到。 將此聚合物粒子2 7之製法,再具髄來說,於水溶性 乙烯性不飽和單體係,可使用,(甲基)丙烯基酸、2 -(甲基)丙烯醯胺_ 2 —甲基丙烷碼酸及道些之鹼鹽、( 甲基)丙烯醢胺、N,N —二甲基丙烯醢胺、2_羥乙基 (甲基)丙烯酸脂、N —羥甲基(甲基)丙烯醢胺等之非 離子性單體二乙胺乙基(甲基)丙烯酸脂、二乙胺丙基( 甲基)丙烯酸脂、二乙胺丙基(甲基)丙烯醢胺等之氨基 含有不飽和單«及道些之4級化合物等。道些之水溶性乙 烯性不飽和單《係,可將2種以上混合使用。又,在此( 甲基)丙烯基酸與其誘導«係,可代替於丙烯基酸與其誘 導體。道些之水溶性乙烯性不飽和單體係,在通常水溶性 之狀態下使用。 道些之水溶性乙烯性不飽和單體係,使用炭氫溶媒使 逆相浮濁聚合。作爲炭氫溶媒係,有著脂肪族炭氫溶媒、 脂環族炭氳溶媒及芳香族炭氫溶媒。於脂肪族炭氫溶媒係 有著η -乙烷及η -庚烷、石油醚、於脂環族炭氫溶媒係 ,有著環戊烷及甲基環戊烷、璣已烷、甲基環己烷。於芳 香族炭氫溶媒係,有著苯及甲苯、二甲苯等。道些炭氫溶 本紙張尺度適用中國國家標車(CNS ) Α4规格(210X297公釐) : ----------^.'衣丨~^-----ΤΓ—----!(1 (請先閲讀背面之注f項再填寫本頁) 經濟部中央搮準局員工消费合作社印裝 經濟部中央橾隼局貝工消费合作社印裝 A7 B7五、發明説明(6 ) 媒係,可將2種以上混合使用。 於逆相浮濁聚合時,於炭氫溶媒添加界面活性劑及高 分子保護膠體,道些之界面活性劑與高分子保護膠體係可 併用。其界面活性劑係,如可將水溶性乙烯性不飽和單镰 水溶性逆相浮濁聚合爲良好。例如,可使用山梨糖醚酐脂 肪酸酯及多縮丙三酵脂酸酯、肖糖脂肪酸酯、山梨糖酵脂 肪酸脂、聚氧化乙烯烷基苯基醚等非離子性界面活性劑。 另,於高分子保護膠體係,有著,例如,乙基嫌維素及、 羥乙基乙嫌維素、酸化變性聚乙烯、無水馬里苷酸變性聚 乙烯、無水馬里苷酸變性聚丁二烯、無水馬里苷酸變性 EPDM(乙烯、丙烯、二烯烴、三元共聚物)。 這些之非離子性界面活性劑及高分子保護膠體係,可 與,脂肪酸鹽、烷基苯礴酸鹽、烷基甲胺基乙磺酸、聚氧 化乙烯烷基苯基醚硫酸酯鹽、聚氧化乙烯烷基醚磺鹽酸等 之陰離子性界面活性劑併用。界面活性劑及/或高分子保 護膠體之使用量係,通常,水溶性乙烯性不飽和單體水溶 液重1:之0. 1〜5%,理想則爲重量之0. 2〜3%。 於水溶性乙烯性不飽和單體之聚合係可使用交連劑。 作爲此交連劑係有著2個以上聚合性不飽和基乙二酵、丙 二醉、三甲醇丙烷、丙三醉聚氧化乙烯乙二酵、聚氧丙二 醇、聚甘油等之聚酵類之2或3 (甲基)丙烯基酸酯類, 使道些聚酵類與順丁烯二酸、丁烯二酸等之不飽和酸類反 應所得到之不飽和聚脂類,N,N > -雙丙烯醯胺等之二 丙烯醯胺類、聚四苯基與(甲基)丙烯基酸反應所得到之 .In n m i - i I ELBS^. - f ·,·1. an - i—-=-r-«JI I In n ml * 11^1 (請先閲讀背面之注意事項再填寫本頁) 本紙張尺度適用中國國家標準(CNS ) A4规格(2丨Ο X 297公釐) 經濟部中夬橾隼局貝工消费合作社印製 309422 A7 ___ B7五、發明説明(7 ) 2或3 (甲基)丙烯基酸酯類、甲苯撑二異氰酸、六甲撑 二異氰酸酯等之聚異氰酸酯與(甲基)丙烯基酸羥乙基反 應所得到2 (甲基)丙烯基酸氮基甲醢酯類、烯丙基化澱 粉、烯丙基化嫌維素、鄰苯二甲酸二烯丙基酯、N,N > ,N "—三烯丙基聚異氰酸酯、二乙烯基苯等。另,作爲 交連劑有著2個以上反應性官能基、例如,可使用二環氧 丙基乙醚化合物、鹵素環氣化合物、異氰酸酯。這些交連 劑之使用量係爲,水溶性乙烯性不飽和單镰之重量之 0 . 0 0 1 〜5 %。 於聚合反應係,使用厚子用聚合開始劑。於此原子團 聚合開始劑係可使用,過硫酸鉀、過硫酸銨、過硫酸鈉等 之水溶性原子團聚和開始劑及過酸化苯醯、偶氮二異丁腈 等之油溶性原子團聚合開始劑。道些之尿子團聚合開始劑 之使用置係爲,水溶性乙烯性不飽和單體之摩爾 0 . 0 0 5 〜1 . 0 %。 聚合反應之溫度係,根據使用聚合開始劑之不同,通 常爲2 0〜1 1 0 °C,理想則爲4 0 °C〜8 0 °C 〇 添加於水溶性乙烯性不飽和單髄之聚合反應系之高吸 水性聚合物粒子係,可使用一般市面上販寶之吸水性樹脂 。具嫌而言,有著,澱粉一丙烯睛接枝共聚合體之加水分 解物及澱粉一丙烯基酸接枝共聚合髗之中和物等之澱粉系 吸水性樹脂、酢酸乙烯基丙烯酸酯共聚合體之鹸化物、聚 丙烯酸部分中和物、無水順丁烯二酸一異丁撑共聚合髄及 水溶性乙烯性不飽和單《之聚合物。 -10 - 本紙張尺度適用中國鬮家梂準(CNS ) A4規格(210X297公釐) (請先閲讀背面之注意事項再填寫本頁) 經濟部中央標準局貝工消費合作社印製 A7 _B7 _五、發明説明(8) 添加於聚合反應系之吸水性聚合物粒子置係爲,反應 系之水溶性乙烯性不飽和單懂之重置5〜5 0 %。 作爲將吸水性聚合物粒子添加於聚合反應系之時機係 ,有著於最初添加於水溶性乙烯性不飽和單體水溶性中情 況之其他,使水溶性乙烯性不飽和單體水溶性分散於炭氫 溶媒之後,接著將髙吸冰性聚合物粒子添加之情況。 關於此發明之穿著物品係,有著高吸水性聚合物粒子 ,吸水速度快之第1聚合物粒子與,比胲第1聚合物粒子 慢1 0秒以上之吸水速度,且於此粒子一髏接合之第2聚 合物粒子所構成。此高吸水性聚合物粒子係,聚合物粒子 ,就如形成層時多置地被使用,粒子呈互相密合之狀態時 ,當體液流入時,體液的一部份,在聚合物粒子層之表面 附近由第1聚合物粒子吸收,該第1聚合物粒子埋入於膨 潤之粒子間隙中,可阻止镘液望下方浸透。另一方面,吸 水速度慢之第2聚合物粒子無法容易地膨潤,於膨潤之第 1聚合物粒子間可提供《液浸透之空隙。髏液係,由此空 隙通至下方與第1聚合物粒子接觸,在此被吸收。如此, 第2聚合物粒子之存在係,將層構成之高吸水性聚合物粒 子,由其表層附近可防止凝腰膠塊形成,由此,將可有效 的利用,於聚合物粒子層之下方有的第1聚合物粒子。 〔圊面簡單之說明〕 〔圖1〕 使用即丟尿片之部份切斷斜視圖 本紙張尺度適用中國國家橾準(CNS ) A4规格(210X297公釐j ~ (請先閲讀背面之注f項再填寫本頁) •Γ 經濟部中央梂準局貝工消费合作社印製 A7 30 C 4^3---^- 五、發明説明(9 ) 〔圖2〕 圖1之II一II虛線剖面圖 〔圖3〕 高吸水性聚合物粒子之模式擴大圖 〔符號之說明〕 1 .........使用即丟之穿著物品(使用即丟尿片) 2 .........透液性薄片(表面薄片) 4 .........杉J七、 2 5 .........吸水性嫌維質材料 2 7 .........髙吸水性聚合物粒子 2 7 A ··· ••…第1聚合物粒子 2 7 B…··…第2聚合物粒子 本紙張尺度適用中國國家梯準(CNS ) A4规格(210X297公釐) -----------^--·----訂------------II (請先閲讀背面之注意事項再填寫本頁) -12 -
Claims (1)
- B8 C8 D8 Γ、申請專利範团 1•一種使用即丟之液《吸收性穿 水性嫌維質材料與高吸水性聚合物 心之最少一部份由透液性薄片覆蓋 性穿著物品,其特徽爲:有著前述 件測定1 0秒以下之短吸水時間之 著比該第1聚合物粒子長10秒以 該第1聚合物粒子接合爲一髗之第 測定條件 (1 )將0 · 9 %食鹽水2 5 內,由磁力攪拌器,使直徑7mm 份在5 0 0 r. p. m下旋轉携拌 (2)將1g之髙吸水性聚合 杯,根據目視,測定此聚合物粒子 的需要之吸水時間。 著物品,針對,將由吸 粒子的形成之吸液性核 之使用即丟之液體吸收 聚合物粒子係由下述條 第1聚合物粒子及,有 上吸水時間,且根 Λ 2聚合物粒子所構成ΐϋ ®ι mj?放入5 0m5燒杯 ,長2 0 m m之旋轉成 物粒子放入聚拌中之燒 ,全置吸收前述食鹽水 f —*----ir—^----^--- (請先閲讀背面之注意^項再填寫本頁) 經濟部中央梂隼局®c工消费合作社印製 本紙張尺度逍用中國國家輮率(CNS)A4洗榷·( 210x297公釐) 13
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KR101595037B1 (ko) | 2013-01-15 | 2016-02-17 | 주식회사 엘지화학 | 고흡수성 수지의 제조 방법 |
EP3016624B1 (en) | 2013-07-03 | 2018-10-17 | DSG Technology Holdings Ltd. | An absorbent composite, methods for making the absorbent composite, and an absorbent article employing the same |
CN106267307A (zh) * | 2016-08-31 | 2017-01-04 | 西藏宇妥文化发展有限公司 | 一种具有吸水作用的组合物及其制备方法与用途 |
WO2024019091A1 (ja) * | 2022-07-22 | 2024-01-25 | 住友精化株式会社 | 吸水性樹脂粒子および吸収性物品 |
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US4062451A (en) * | 1974-09-12 | 1977-12-13 | Johnson & Johnson | Laminated structures comprising films of silane crosslinked acrylate interpolymers having water barrier properties |
US4035540A (en) * | 1974-09-12 | 1977-07-12 | Johnson & Johnson | Non-woven fabrics bonded with pH sensitive film-forming silane crosslinked acrylate interpolymers |
US4079025A (en) * | 1976-04-27 | 1978-03-14 | A. E. Staley Manufacturing Company | Copolymerized starch composition |
US5028224A (en) * | 1990-01-09 | 1991-07-02 | Kimberly-Clark Corporation | Apparatus for intermittently depositing particulate material in a substrate |
US5149335A (en) * | 1990-02-23 | 1992-09-22 | Kimberly-Clark Corporation | Absorbent structure |
DE69131524T2 (de) * | 1990-04-02 | 2000-04-13 | Procter & Gamble | Absorbierendes material mit untereinander vernetzten aggregaten |
US5241009A (en) * | 1990-05-07 | 1993-08-31 | Kimberly-Clark Corporation | Polymeric composition containing carboxy nueutralized with lithium or potassium |
CA2049861C (en) * | 1990-08-30 | 1996-09-17 | Nobuyuki Harada | Absorbent body and absorbent article |
EP0691133B2 (en) * | 1994-07-05 | 2003-12-03 | The Procter & Gamble Company | Absorbent gelling material comprising a dry mixture of at least two types of hydrogel-forming particles and method for making the same |
-
1995
- 1995-11-30 JP JP31191295A patent/JP3383497B2/ja not_active Expired - Lifetime
-
1996
- 1996-11-19 TW TW085114167A patent/TW309422B/zh not_active IP Right Cessation
- 1996-11-22 MY MYPI96004886A patent/MY120109A/en unknown
- 1996-11-26 EP EP96870151A patent/EP0781539B1/en not_active Expired - Lifetime
- 1996-11-26 DE DE69614353T patent/DE69614353T2/de not_active Expired - Lifetime
- 1996-11-26 AU AU71978/96A patent/AU706066B2/en not_active Ceased
- 1996-11-26 ES ES96870151T patent/ES2160798T3/es not_active Expired - Lifetime
- 1996-11-27 CA CA002191388A patent/CA2191388C/en not_active Expired - Fee Related
- 1996-11-27 US US08/757,795 patent/US5800419A/en not_active Expired - Lifetime
- 1996-11-28 SG SG1996011450A patent/SG64408A1/en unknown
- 1996-11-28 KR KR1019960058848A patent/KR100449392B1/ko not_active IP Right Cessation
- 1996-11-29 BR BR9604629A patent/BR9604629A/pt not_active Application Discontinuation
- 1996-11-29 MX MX9605993A patent/MX9605993A/es unknown
- 1996-12-02 CN CN96120966A patent/CN1125656C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1125656C (zh) | 2003-10-29 |
AU706066B2 (en) | 1999-06-10 |
ES2160798T3 (es) | 2001-11-16 |
MX9605993A (es) | 1998-04-30 |
US5800419A (en) | 1998-09-01 |
CA2191388A1 (en) | 1997-05-31 |
KR970025575A (ko) | 1997-06-24 |
BR9604629A (pt) | 1998-06-23 |
DE69614353D1 (de) | 2001-09-13 |
AU7197896A (en) | 1997-06-05 |
CA2191388C (en) | 1999-06-15 |
JP3383497B2 (ja) | 2003-03-04 |
EP0781539A3 (en) | 1999-02-03 |
JPH09149916A (ja) | 1997-06-10 |
SG64408A1 (en) | 1999-04-27 |
CN1155439A (zh) | 1997-07-30 |
EP0781539A2 (en) | 1997-07-02 |
EP0781539B1 (en) | 2001-08-08 |
DE69614353T2 (de) | 2002-05-16 |
MY120109A (en) | 2005-09-30 |
KR100449392B1 (ko) | 2005-02-23 |
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