JPH026692A - modified paper - Google Patents

modified paper

Info

Publication number
JPH026692A
JPH026692A JP63269636A JP26963688A JPH026692A JP H026692 A JPH026692 A JP H026692A JP 63269636 A JP63269636 A JP 63269636A JP 26963688 A JP26963688 A JP 26963688A JP H026692 A JPH026692 A JP H026692A
Authority
JP
Japan
Prior art keywords
paper
methylol
cellulose
methylol compound
organic polymer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP63269636A
Other languages
Japanese (ja)
Other versions
JP2739132B2 (en
Inventor
Jukka Erkkilae
ユッカ　エルッキレ
Matti Niskala
マッティ　ニスカラ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lannen Tehtaat Oy
Original Assignee
Lannen Tehtaat Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lannen Tehtaat Oy filed Critical Lannen Tehtaat Oy
Publication of JPH026692A publication Critical patent/JPH026692A/en
Application granted granted Critical
Publication of JP2739132B2 publication Critical patent/JP2739132B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/36—Biocidal agents, e.g. fungicidal, bactericidal, insecticidal agents
    • 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
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/16—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment
    • D21H11/20—Chemically or biochemically modified fibres
    • 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/36—Polyalkenyalcohols; Polyalkenylethers; Polyalkenylesters

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)

Abstract

PURPOSE: To obtain a modified paper excellent in resistance to deterioration and having reduced brittleness by substituting part of hydroxyl groups with an N-methylol compound and incorporating an organic polymer. CONSTITUTION: (A) An N-methylol compound such as dimethyloldihydroxyethyleneurea and (B) an organic polymer such as polyethylene glycol are dissolved in water and paper is immersed in the resultant solution, impregnated with the components A and B, taken out and dried by heating to obtain the objective modified paper.

Description

【発明の詳細な説明】 ［産業上の利用分野］ この発明はセルロースのヒドロキシル基に含まれる水素
基の一部をメチロール化合物で置換した紙に関する。こ
の紙は劣化（ｒｏｔ）に対し良好な抵抗性を要求される
分野に利用するのに特に適している。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] This invention relates to paper in which a portion of the hydrogen groups contained in the hydroxyl groups of cellulose are replaced with a methylol compound. This paper is particularly suitable for applications where good resistance to rot is required.

［従来の技術］ Ｌ’１ｎｎｅｎ　　Ｔｅｈｔａａｔ　Ｏｙ　　の公開特
許出願ＷＯ８４／４５５３によれば、セルロースをある
種のメチロール化合物特にジメチロールジヒドロキシエ
チレンウレアまたはモノメチロールジヒドロキシエチレ
ンウレアで置換すると、特に針葉樹の劣化抵抗性が向上
すると言われる。この方法で得られた紙は耐湿強度も良
好であるが、脆いことが欠点である。[Prior Art] According to published patent application WO 84/4553 of L'1nnen Tehtaat Oy, the replacement of cellulose with certain methylol compounds, in particular dimethylol dihydroxyethylene urea or monomethylol dihydroxyethylene urea, improves the deterioration resistance of softwood trees in particular. is said to improve. Although the paper obtained by this method has good moisture resistance, it has the disadvantage of being brittle.

［発明が解決しようとする課題］ 本発明の目的は上記の欠点を解消した劣化抵抗性の大き
い改質紙を提供することにある。[Problems to be Solved by the Invention] An object of the present invention is to provide a modified paper that eliminates the above-mentioned drawbacks and has high resistance to deterioration.

［課題を解決するだめの手段］ ある種のＮ−メチロール化合物を使用し、且つ、適当な
例へばヒドロキシ官能性重合体を繊維の間に付着させれ
ば脆さを減小させる。とくに好ましい重合体はポリエチ
レングリコール（ＰＥＧ）でる。SUMMARY OF THE INVENTION The use of certain N-methylol compounds and, in appropriate cases, the attachment of hydroxy-functional polymers between the fibers reduces brittleness. A particularly preferred polymer is polyethylene glycol (PEG).

使用するポリエチレングリコール分子は単量体を２−２
００個含み、１０−４０個含むものが好ましい。The polyethylene glycol molecule used has 2-2 monomers.
00 pieces, preferably 10-40 pieces.

Ｎ−メチロール化合物はメチロールジヒドロキシエチレ
ンウレア類及びメチロールアセチレンジウレア類からな
る群から選ばれる。これらの中でジメチロールジヒドロ
キシエチレンウレア（ＤＭＤ）ＩＥＵ）が有効であるが
、例へばテトラメチロールアセチレンジウレア（ＴＭＡ
ＤＩＩ）も好適である。The N-methylol compound is selected from the group consisting of methylol dihydroxyethylene ureas and methylol acetylene diureas. Among these, dimethylol dihydroxyethylene urea (DMD) (IEU) is effective, but for example, tetramethylol acetylene diurea (TMA) is effective.
DII) are also suitable.

紙は例へばマツの硫酸セルロースから製造したものが好
ましい。Preferably, the paper is made from, for example, pine cellulose sulphate.

本発明の紙を製造するには、Ｎ−メチロール化合物及び
重合体を含む溶液を用いて紙を含浸した後、昇温しで紙
を乾燥すれば、Ｎ−メチロール化合物とセルロースとの
間に反応が起き本発明の紙が生成する。反応を促進する
ため適当な触媒を用いる。To produce the paper of the present invention, the paper is impregnated with a solution containing an N-methylol compound and a polymer, and then the paper is dried at an elevated temperature, so that a reaction occurs between the N-methylol compound and cellulose. occurs and the paper of the present invention is produced. A suitable catalyst is used to accelerate the reaction.

本発明の一つの態様によれば、グリオキザールをポリエ
チレングリコールと併用する。その量はＰＥ６１モルに
対して２モル以上が好ましい。グリオキザールはＰＥＧ
の末端基と反応する。しかしながらＮ−メチロール化合
物、グリオキザール及びＰＥＧとセルロースとの反応形
式は未だ確立されていない。According to one embodiment of the invention, glyoxal is used in combination with polyethylene glycol. The amount thereof is preferably 2 moles or more per 61 moles of PE. Glyoxal is PEG
reacts with the terminal group of However, the reaction format between N-methylol compounds, glyoxal, and PEG with cellulose has not yet been established.

［実施例］ 以下、本発明を実施例によりさらに詳細に説明する。[Example] Hereinafter, the present invention will be explained in more detail with reference to Examples.

Ｎ−メチロール化合物、ＰＥＧ及び触媒の含有する溶液
により紙を含浸し、次ぎにその紙を昇温させて乾燥した
。得られた紙の特性はいわゆる菌埋没処理の前後に測定
した。The paper was impregnated with a solution containing the N-methylol compound, PEG, and catalyst, and then the paper was dried at elevated temperature. The properties of the obtained paper were measured before and after the so-called bacterial embedding treatment.

菌埋没処理は次の通り行った。Bacterial embedding treatment was performed as follows.

所要器具及び素材はオートクレーブ中で圧力１バール、
温度１２０℃で５０分滅菌した。純培養菌体（アスペル
ギルス レジネ）を火炎滅菌した白金線によりデカンタ−グラス
内の蒸溜水へ接種した。次にこれを攪拌し、菌体を水中
へできるだけ分散させた。試験片をこの菌水中に４時間
浸漬した後、基礎肥料を付与した培養用滅菌泥炭へ移し
、箔容器へ入れた。The required equipment and materials were kept in an autoclave at a pressure of 1 bar.
It was sterilized at a temperature of 120°C for 50 minutes. Purely cultured bacterial cells (Aspergillus resine) were inoculated into distilled water in a decanter glass using a flame-sterilized platinum wire. Next, this was stirred to disperse the bacterial cells into the water as much as possible. After the test piece was immersed in this bacterial water for 4 hours, it was transferred to sterilized peat for cultivation to which basic fertilizer had been applied, and placed in a foil container.

容器をプラスチック箔で保護し、卿卵器へ入れ温度２８
℃、相対湿度１００％に所定時間保持した。Protect the container with plastic foil and place it in a container at a temperature of 28.
℃ and 100% relative humidity for a predetermined period of time.

夫旌盟ユ 次の成分を含むＤＭＤＨＥＵ基本溶液を調製した。Husband's Union A DMDHEU base solution was prepared containing the following ingredients.

濃度４５％のＤＭＤＩ（Ｅｌ溶液　　　　　４０ｇＭｇ
Ｃ１２・６ｔ（２０４　ｇ 水　　　　　　　　　　　　　　　　　　　　１℃また
次の成分を含むＰＥＧ基本溶液を調製した。DMDI with a concentration of 45% (El solution 40 gMg
C12.6t (204 g water 1°C) A PEG base solution containing the following components was also prepared.

濃度４５％のＰＥＧ　（ｎ＝２−１８１）溶液　１８−
１３５０　ｇ濃度５０％のグリオキザール溶液　　２４
ｇＡ１２　（ＳＯ４）　３・１６８２０　　　　　　　
　　　２　ｇ酒石酸　　　　　　　　　　　　　１ｇ水
　　　　　　　　　　　　　　　　　　　　１℃ＭｇＣ
１２はＤＭＤＨＥｔｌの反応を促進し、Ａ１２　（Ｓ’
０４）　３はグリオキザールの反応を促進する。ＰＥＧ
の量は平均単量体数ｎにより変動する。酒石酸により含
浸溶液は酸性になった。前記基本溶液を容積比４：１で
混合した。クラフト紙（ＵＧ７０ｇ／ｍ２）にこの混合
溶液を含浸しくピックアップ１００％）　、１６０℃で
１０分間乾燥した。PEG (n=2-181) solution with a concentration of 45% 18-
1350 g glyoxal solution with a concentration of 50% 24
gA12 (SO4) 3・16820
2 g tartaric acid 1 g water 1°C MgC
12 promotes the reaction of DMDHEtl, and A12 (S'
04) 3 promotes the reaction of glyoxal. PEG
The amount varies depending on the average number of monomers n. The tartaric acid made the impregnation solution acidic. The base solutions were mixed in a volume ratio of 4:1. Kraft paper (UG70 g/m2) was impregnated with this mixed solution, picked up 100%), and dried at 160°C for 10 minutes.

紙について含浸による重量増加、前記の菌埋没劣化処理
前における乾燥引張強さ及び湿潤引張強さ、並びに劣化
処理後の湿潤引張強さを測定した。試験結果を次表に示
す。The paper was measured for weight increase due to impregnation, dry tensile strength and wet tensile strength before the bacterial embedding deterioration treatment, and wet tensile strength after the deterioration treatment. The test results are shown in the table below.

高分子量のＰＥＧを使用すると劣化に対する抵抗力が低
下することが表より明らかである。It is clear from the table that the use of higher molecular weight PEG reduces the resistance to degradation.

史嵐■ノ 単量体数２２のＰＥＧを使用し、実施例１と同様の方法
により溶液を調製した。含浸と試験を実施例１と同様の
方法により行った。試験結果は次表の通りになった。A solution was prepared in the same manner as in Example 1 using PEG having 22 monomers. Impregnation and testing were carried out in the same manner as in Example 1. The test results are as shown in the table below.

溶液中のＰＥＧの割合が増加すると劣化に対する抵抗性
が低下することが表より明らかである。It is clear from the table that as the proportion of PEG in the solution increases, the resistance to degradation decreases.

ＰＥＧの割合は約１０−３０％が最適である。The optimum proportion of PEG is about 10-30%.

夫施■ユ 実施例１においてＤＭＤ）ＩＥｔｌ溶液に触媒としてＭ
ｇＣｌ２　−６Ｈ２０の代わりにＺｎ（ＮＯ３）　２・
４）１２０を４ｇ／　ｆｆ用いた以外は実施例１と全く
同様に行い、乾燥条件を変化させた。試験結果を次表に
示す。In Example 1, M as a catalyst was added to the DMD) IEtl solution.
Zn(NO3) 2. instead of gCl2-6H20
4) The same procedure as in Example 1 was carried out except that 4 g/ff of 120 was used, and the drying conditions were changed. The test results are shown in the table below.

Ｚｎ触媒を使用すると、Ｍｇ触媒を用いた場合に比べて
高い劣化抵抗性が得られる。When a Zn catalyst is used, a higher resistance to deterioration can be obtained than when a Mg catalyst is used.

夫旌炎Ａ ＤＭＤＨＥｔｌの代りにＴＭＡＤＵを用いた以外は実施
例３と全く同様にして溶液を調製し含浸を行った。A solution was prepared and impregnated in the same manner as in Example 3, except that TMADU was used instead of DMDHEtl.

試験結果を次表に示す。The test results are shown in the table below.

’ＩＩＡＤＵの場合には、　ＤＳＩＤＨＥｌ、ｌと同様
の優れた劣化抵抗性は得られなかった。In the case of 'IIADU, excellent degradation resistance similar to that of DSIDHEl,l was not obtained.

夫教廻ｊ 単量体数４５のＰＥＧを使用し、溶液の割合を変えて実
施例２の方法により含浸を行った。紙の折りた＼み耐折
回数を測定した。試験結果を次表に示す。Impregnation was carried out by the method of Example 2 using PEG containing 45 monomers and varying the proportion of the solution. The number of times the paper could be folded was measured. The test results are shown in the table below.

ＰＥＧＯ量が増加するほど耐折回数が増加することは表
より明らかである。It is clear from the table that as the amount of PEGO increases, the number of folds increases.

笑族ｆＪ　６ 単量体数２２のＰＥＧを使用し、溶液の割合を変えて実
施例２の方法により含浸を行った。紙の乾燥引裂き強さ
及び湿潤引裂き強さを測定した。試験結果を次表に示す
。Impregnation was carried out by the method of Example 2 using PEG containing 22 monomers of the group fJ 6 and varying the proportion of the solution. The dry tear strength and wet tear strength of the paper were measured. The test results are shown in the table below.

改質により乾燥引裂き強さは低下するが、湿潤引裂き強
さは増大する。Modification reduces dry tear strength but increases wet tear strength.

Claims (10)

【特許請求の範囲】[Claims] （１）セルロースの水素基の一部をＮ−メチロール化合
物で置換したセルロースを含む改質紙において、前記Ｎ
−メチロール化合物がメチロールジヒドロキシエチレン
ウレア類及びメチロールアセチレンジウレア類からなる
群から選ばれ、且つ、紙がさらに有機重合体を含むこと
を特徴とする改質紙。(1) In modified paper containing cellulose in which some of the hydrogen groups of cellulose have been replaced with an N-methylol compound, the N
- A modified paper, characterized in that the methylol compound is selected from the group consisting of methylol dihydroxyethylene ureas and methylol acetylene diureas, and the paper further comprises an organic polymer. （２）重合体がヒドロキシ官能性である請求項１記載の
紙。2. The paper of claim 1, wherein the polymer is hydroxy-functional. （３）重合体がポリエチレングリコールである請求項２
記載の紙。(3) Claim 2 wherein the polymer is polyethylene glycol
The paper mentioned. （４）Ｎ−メチロール化合物の量が紙に対し０．５−１
０重量％である請求項１ないし３に記載の紙。(4) The amount of N-methylol compound is 0.5-1 relative to paper
Paper according to claims 1 to 3, which contains 0% by weight. （５）有機重合体の量が紙に対し０．５−１０重量％で
ある請求項１ないし４に記載の紙。(5) Paper according to any one of claims 1 to 4, wherein the amount of organic polymer is 0.5-10% by weight based on the paper. （６）紙が更にグリオキザールを含む請求項１ないし５
に記載の紙。(6) Claims 1 to 5 wherein the paper further contains glyoxal.
The paper described in. （７）Ｎ−メチロール化合物がジメチロールジヒドロキ
シエチレンウレアまたはテトラメチロールアセチレンジ
ウレアである請求項１ないし６に記載の紙。(7) The paper according to any one of claims 1 to 6, wherein the N-methylol compound is dimethylol dihydroxyethylene urea or tetramethylol acetylene diurea. （８）針葉樹セルロースを含む請求項１ないし７に記載
の紙。(8) The paper according to any one of claims 1 to 7, containing softwood cellulose. （９）セルロースの水素基の一部をＮ−メチロール化合
物で置換したセルロースを含む改質紙の製造法において
、前記Ｎ−メチロール化合物がメチロールジヒドロキシ
エチレンウレア類及びメチロールアセチレンジウレア類
からなる群から選ばれ、且つ、紙がさらに有機重合体を
含むことを特徴とする改質紙の製造法。(9) In a method for producing modified paper containing cellulose in which some of the hydrogen groups of cellulose are replaced with an N-methylol compound, the N-methylol compound is selected from the group consisting of methylol dihydroxyethylene ureas and methylol acetylene diureas. A method for producing modified paper, characterized in that the paper further contains an organic polymer. （１０）セルロースの水素基の一部をＮ−メチロール化
合物で置換したセルロースを含む改質紙を用いて製造し
た植物成長セルシステムであって、該Ｎ−メチロール化
合物がメチロールジヒドロキシエチレンウレア類及びメ
チロールアセチレンジウレア類からなる群から選ばれ、
且つ、紙がさらに有機重合体を含むことを特徴とする植
物生育セルシステム。(10) A plant growth cell system manufactured using modified paper containing cellulose in which some of the hydrogen groups of cellulose are replaced with an N-methylol compound, the N-methylol compound being methylol dihydroxyethylene ureas and methylol selected from the group consisting of acetylene diureas,
A plant growth cell system characterized in that the paper further contains an organic polymer.
JP63269636A 1987-10-29 1988-10-27 Modified paper Expired - Fee Related JP2739132B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI874769A FI80741C (en) 1987-10-29 1987-10-29 Modified paper
FI874769 1987-10-29

Publications (2)

Publication Number Publication Date
JPH026692A true JPH026692A (en) 1990-01-10
JP2739132B2 JP2739132B2 (en) 1998-04-08

Family

ID=8525314

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63269636A Expired - Fee Related JP2739132B2 (en) 1987-10-29 1988-10-27 Modified paper

Country Status (8)

Country Link
JP (1) JP2739132B2 (en)
CA (1) CA1339948C (en)
DE (1) DE3836658C2 (en)
ES (1) ES2009085A6 (en)
FI (1) FI80741C (en)
FR (1) FR2622608A1 (en)
GB (1) GB2211519A (en)
SE (1) SE8803758L (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0768272B1 (en) * 1989-03-10 1995-07-26 Snow Brand Milk Products Co Ltd
KR100792929B1 (en) * 2006-10-10 2008-01-08 현대자동차주식회사 Filler trim structure

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2769656B2 (en) * 1992-03-27 1998-06-25 日本甜菜製糖株式会社 Agricultural paper and its manufacturing method
US7780816B2 (en) 2004-10-12 2010-08-24 Certainteed Corporation Fibrous insulation with fungicide

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51121041A (en) * 1975-04-16 1976-10-22 Sumitomo Chem Co Ltd Paper coating compositions
JPS60501317A (en) * 1983-05-19 1985-08-15 レネン　テ−タアト　オイ Paper containing chemically substituted cellulose
JPS6245757A (en) * 1985-08-23 1987-02-27 株式会社豊田自動織機製作所 Weft yarn treatment in shuttleless loom

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1155666B (en) * 1957-11-02 1963-10-10 Schickedanz Ver Papierwerk Process for the production of absorbent and water-resistant surface structures from cellulose fibers
NL256665A (en) * 1959-10-08
FR1482617A (en) * 1965-06-08 1967-05-26 Stockholms Superfosfat Fab Ab Improvements in the processing of wood products
US3629052A (en) * 1970-06-26 1971-12-21 Us Agriculture Process for imparting flame-retardancy to resin-treated cotton batting
US3858273A (en) * 1971-05-11 1975-01-07 Sun Chemical Corp Corrugated paperboard compositions
DE2332294C3 (en) * 1973-06-25 1980-01-31 Feldmuehle Ag, 4000 Duesseldorf Lightweight, high-stiffness, high-volume paper

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51121041A (en) * 1975-04-16 1976-10-22 Sumitomo Chem Co Ltd Paper coating compositions
JPS60501317A (en) * 1983-05-19 1985-08-15 レネン　テ−タアト　オイ Paper containing chemically substituted cellulose
JPS6245757A (en) * 1985-08-23 1987-02-27 株式会社豊田自動織機製作所 Weft yarn treatment in shuttleless loom

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0768272B1 (en) * 1989-03-10 1995-07-26 Snow Brand Milk Products Co Ltd
KR100792929B1 (en) * 2006-10-10 2008-01-08 현대자동차주식회사 Filler trim structure

Also Published As

Publication number Publication date
FI80741C (en) 1990-07-10
JP2739132B2 (en) 1998-04-08
DE3836658A1 (en) 1989-05-11
GB8825307D0 (en) 1988-11-30
FR2622608A1 (en) 1989-05-05
FI874769L (en) 1989-04-30
SE8803758D0 (en) 1988-10-20
SE8803758L (en) 1989-04-30
FI874769A0 (en) 1987-10-29
FI80741B (en) 1990-03-30
CA1339948C (en) 1998-07-14
GB2211519A (en) 1989-07-05
DE3836658C2 (en) 2002-12-12
ES2009085A6 (en) 1989-08-16

Similar Documents

Publication Publication Date Title
SU715033A3 (en) Polymeric composition
EP0440472B1 (en) High bulking resilient fibers through cross linking of wood pulp fibers with polycarboxylic acids
JPH0662514B2 (en) Ionene type polymer
Chiou et al. Modification of wheat gluten with citric acid to produce superabsorbent materials
CN105601778B (en) A kind of ring-type halogen amine polymer antibacterial agent containing quaternary ammonium group and its preparation method and application
JPS58191299A (en) Modified cellulose fiber and production thereof
Zhang et al. Polyvinyl alcohol composite hydrogels/epoxidized natural rubber composites (CMCS/PVA/CS-ENR) with core-shell structure as biomass coating material for slow-release nitrogen fertilizer
CN116607247B (en) Moisture-absorbing antibacterial polyester and kapok blended fabric and preparation process thereof
US4610761A (en) Paper that contains chemically substituted cellulose
Sabadini et al. Gellan gum–O, O′‐bis (2‐aminopropyl)‐polyethylene glycol hydrogel for controlled fertilizer release
AU610117B2 (en) Wood treatment composition and process
US7118617B2 (en) Fire-proof treatment solution and fire-retardant material therefrom
US3962159A (en) Graft copolymers of a polyamideamine substrate and starch, and method of making same
US3779791A (en) Method of heating paper
JP2739132B2 (en) Modified paper
CN111041821B (en) Method for preparing functional fiber by ring-opening grafting of functional compound through cyclic substance
Battalova et al. Synthesis and Application of Biodegradable Cellulose Hydrogels From Sunflower Husks as a Water‐Retaining Material in Agriculture
JP7147072B2 (en) Corrosion resistant paper
CN116003807A (en) Biomass tannin/cellulose acetate plastic film and preparation method thereof
Lucas et al. Influence of hydrolyzed collagen on regenerated cellulosic fibres
WO2009033635A2 (en) Sol-gel coating of substrate material surfaces with odor-absorbing properties
CN114016296A (en) Method for preparing solid aldehyde cloth by two-step method
US4011613A (en) Durable-press properties in cotton containing fabrics via polymeric N-methylol reagents
JPS63243400A (en) Method for making water soluble seaweed polysaccharide fiber or fiber sheet water resistant
CH618993A5 (en) Process for the preparation of a new water-soluble resin

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees