JPH0299502A - Production of alkali metal salt of carboxymethyl ether of tamarind gum - Google Patents
Production of alkali metal salt of carboxymethyl ether of tamarind gumInfo
- Publication number
- JPH0299502A JPH0299502A JP25141488A JP25141488A JPH0299502A JP H0299502 A JPH0299502 A JP H0299502A JP 25141488 A JP25141488 A JP 25141488A JP 25141488 A JP25141488 A JP 25141488A JP H0299502 A JPH0299502 A JP H0299502A
- Authority
- JP
- Japan
- Prior art keywords
- tamarind gum
- solvent
- alkali metal
- etherification
- carboxymethyl ether
- 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.)
- Pending
Links
- 235000004298 Tamarindus indica Nutrition 0.000 title claims abstract description 44
- 229910052783 alkali metal Inorganic materials 0.000 title claims description 15
- -1 alkali metal salt Chemical class 0.000 title claims description 14
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- CXHHBNMLPJOKQD-UHFFFAOYSA-N methyl hydrogen carbonate Chemical compound COC(O)=O CXHHBNMLPJOKQD-UHFFFAOYSA-N 0.000 title description 4
- 240000004584 Tamarindus indica Species 0.000 title 1
- 241000596504 Tamarindus Species 0.000 claims abstract description 43
- 238000006266 etherification reaction Methods 0.000 claims abstract description 25
- 239000003513 alkali Substances 0.000 claims abstract description 19
- 239000002904 solvent Substances 0.000 claims abstract description 19
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 11
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000003960 organic solvent Substances 0.000 claims description 4
- 150000001298 alcohols Chemical class 0.000 claims description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 238000003756 stirring Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 abstract 2
- 239000011541 reaction mixture Substances 0.000 abstract 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 27
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 15
- 239000000203 mixture Substances 0.000 description 14
- 239000000243 solution Substances 0.000 description 13
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 9
- FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 description 8
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000007810 chemical reaction solvent Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- OWSBHFWSKFIEGF-UHFFFAOYSA-M sodium;methyl carbonate Chemical compound [Na+].COC([O-])=O OWSBHFWSKFIEGF-UHFFFAOYSA-M 0.000 description 4
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 238000004448 titration Methods 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 244000241257 Cucumis melo Species 0.000 description 1
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 1
- 241000220485 Fabaceae Species 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 239000000538 analytical sample Substances 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000003349 gelling agent Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 235000021374 legumes Nutrition 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- VRYGRLBNIVQXMY-UHFFFAOYSA-M sodium;acetic acid;chloride Chemical compound [Na+].[Cl-].CC(O)=O VRYGRLBNIVQXMY-UHFFFAOYSA-M 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 235000021419 vinegar Nutrition 0.000 description 1
- 239000000052 vinegar Substances 0.000 description 1
- 239000003021 water soluble solvent Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、タマリンドガムのカルボキシメチルエーテル
アルカリ金属Ｉｎの製造力が、に関するものである。DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to the ability of tamarind gum to produce carboxymethyl ether alkali metal In.
（従来の技術）
従来のタマリンドガムのカルボキシメチルエーテルアル
カリ金属塩の製造方法として、例えば、イタリヤ特許ｆ
ｊＳ ５７４９２８号には水を反応溶媒として使用し水
酸化ナトリウム及びモノクロル酢酸又はその１ムを使用
すること、米国特許ｔｔＳ４０８９６４７号には大過剰
のメチルアルコール水溶液を反応溶媒として使用するこ
と、特開昭６０−１６６３０２号、西独公告第１１０８
１９８号及び米国特許第３２２３６９１号にはインプロ
ピルアルコール水溶液を反応溶媒として使用すること等
が記載されている。(Prior Art) As a conventional method for producing a carboxymethyl ether alkali metal salt of tamarind gum, for example, the Italian patent f.
No. JS 574928 describes the use of water as a reaction solvent and sodium hydroxide and monochloroacetic acid or 1 ml thereof; U.S. Pat. No. 60-166302, West German Publication No. 1108
No. 198 and US Pat. No. 3,223,691 describe the use of an aqueous solution of inpropyl alcohol as a reaction solvent.
（発明が解決しようとする課題）
しかしながら、このような従来のタマリンドガム力ルポ
ギメチルエーテルアルカリ金属塩の製造方法にあっては
困難な課題１例えば
（１）タマリンドガムはアルカリ水溶液に依って１（杉
ＷＦＩ Ｌ極めて語調なドープ状となり、攪拌混合が困
難で工業化に際して障害となる、
（２）７０重１．１％以−１−の親水性有機溶媒水溶液
を使用した場合、そのエーテル化温度は６０〜８０℃で
あり、この温度範囲ではエーテル化完了に、少な（とも
１時間量にを要し、従って工業化に際し設備費が多く、
生産性も低い。(Problems to be Solved by the Invention) However, in the conventional method for producing tamarind gum and methyl ether alkali metal salts, there are difficult problems. (SugiWFI L becomes extremely dope-like, difficult to stir and mix, and becomes a hindrance to industrialization. is 60 to 80°C, and in this temperature range, it takes a small amount of time (about 1 hour) to complete etherification, and therefore equipment costs are high for industrialization.
Productivity is also low.
（３）エーテル化ｎ１の有効利用面から、エーテル止剤
添加時温度は低温程良いが、エーテル化は６０〜８０℃
に加温が必要で、冷却したり暖めたりすることから、エ
ネルギー消費が多い
等があるため工業化に至っていないのが実状である。(3) In terms of effective use of etherification n1, the lower the temperature when adding the ether stopper, the better, but for etherification it is 60 to 80℃.
The reality is that it has not been industrialized because it requires heating, cooling and heating, and consumes a lot of energy.
よって本発明は、上記のような課題を解決すべく新規な
タマリンドガムのカルボキシメチルニー−アルアルカリ
金属塩の製造法を提供することにある。Therefore, an object of the present invention is to provide a novel method for producing a carboxymethyl alkali metal salt of tamarind gum in order to solve the above-mentioned problems.
（課題を解決するための手段）
本発明のタマリンドガムのカルボキシメチルエーテルア
ルカリ金属１１工の製造方法は、タマリンドガムに、溶
媒中でアルカリ及びエーテル化剤を作用させエーテル化
反応を行なうことによる、タマリンドガムのカルボキシ
メチルー−チルアルカリ金属塩の製造法において、偵）
溶媒が炭素数１〜４のアルコール及びアセトンから選ら
ばれた親水性有機溶媒の少なくとも１種ヌは２種以上を
０〜８０重量％含有する水溶治で１かつ屯量比でタマリ
ンドガム・の０．３〜３倍１．＋Ｌ存在し。(Means for Solving the Problems) The method for producing carboxymethyl ether alkali metal 11 of tamarind gum of the present invention involves causing tamarind gum to react with an alkali and an etherification agent in a solvent to perform an etherification reaction. In a method for producing carboxymethyl-thyl alkali metal salt of tamarind gum,
The solvent is at least one type of hydrophilic organic solvent selected from alcohols having 1 to 4 carbon atoms and acetone, and is a water-soluble solvent containing 0 to 80% by weight of two or more of them. .3 to 3 times 1. +L exists.
■エーテル化反応及び引続き乾燥を行なうために厚さ３
ｍ−以下のｈｖいシート状物にして温度１００〜２００
℃で２０〜３００秒間加熱する、ことを安旨と噴るもの
である。■3 thickness for etherification reaction and subsequent drying
Temperature: 100-200 m- or less hv sheet-like material
It is safe to heat it at ℃ for 20 to 300 seconds.
（手段を構成ｊる實件）
本発明において使用する、タマリンドガムとしては、例
えばマメ科の常緑高木の＋ｈ子から分離精製して得られ
るタマリンドシードガム等が挙げられ、それらは多１１
１１類に属するもので通常蛋白質。(Actual Matters Constituting the Means) Examples of the tamarind gum used in the present invention include tamarind seed gum obtained by separating and refining the seeds of an evergreen tree belonging to the Fabaceae family.
It belongs to class 11 and is usually a protein.
脂肪類を２５％以４二含有するもの、又は脱蛋白質を行
なったものである。Contains 25% or more of fat, or has been deproteinized.
アルカリとし、ては例えば水酸化カリウム、水酸化ナト
リウム、水酸化リチウム等が挙げられる。Examples of the alkali include potassium hydroxide, sodium hydroxide, and lithium hydroxide.
アルカリの添加１ｄは、後述のエーテル他剤使用モル数
に対し２．０５倍モルである。The amount of alkali added (1d) is 2.05 times the number of moles of ether and other agents used, which will be described later.
エーテル化剤としてはモノクロル酢酸、そのナトリウム
Ｉｉ！又はそれらの混合物等が挙げられる。As an etherification agent, monochloroacetic acid and its sodium Ii! or a mixture thereof.
溶媒としては１炭素ｉｌｌ〜４のアルコール；例えばメ
タノール、エタノール、プロピルアルコール等及びアセ
トンから選らばれた親水性有機溶媒の少なくとも１種又
は２種以上を、８０重量％以ド、＆ｆましくは２０〜７
０重量％含有する水溶液が挙げられる。親水性有機溶媒
が８０重捕％超えると溶媒の沸騰が激しくなる。As a solvent, at least one or two or more hydrophilic organic solvents selected from alcohols having 1 to 4 carbon atoms; for example, methanol, ethanol, propyl alcohol, etc. and acetone, at least 80% by weight, preferably 20% by weight or more. ~7
Examples include aqueous solutions containing 0% by weight. When the hydrophilic organic solvent exceeds 80% by weight, the solvent boils violently.
かかる溶媒はアルカリ、エーテル化剤等を溶解した溶液
形態で加えるものである。Such a solvent is added in the form of a solution in which an alkali, an etherifying agent, etc. are dissolved.
さらに溶媒は、 虫、Ｉ＃比でタマリンドガムのＯ０３
〜３ｆΔ量、好ましくは０．５〜２．５イ８量存在する
よう配合するものである。Ｏ，：ｌ〜縫未満では均一化
に問題が生じ
る。また３倍７１３、を超えると溶媒との分離現象が発
生し易くなり反応の均一性に問題が生じる。Furthermore, the solvent is O03 of tamarind gum in insect, I# ratio.
It is blended so that it is present in an amount of ~3fΔ, preferably in an amount of 0.5-2.5. If the thickness is less than O, :l~ stitches, a problem arises in uniformity. On the other hand, if it exceeds 3 times 713, a separation phenomenon with the solvent tends to occur, causing a problem in the uniformity of the reaction.
エーテル化反応はタマリンドガム、アルカリ、エーテル
化剤及び溶媒の混合物を、温度不均一性を生じさせない
ように、厚さ３ｍｍ以下の傳いシート状物にして温１［
１００〜２００℃好ましくは１１０〜１９０℃で、２０
〜３００秒間加熱を行ない、乾燥も同時に行なう。In the etherification reaction, a mixture of tamarind gum, an alkali, an etherification agent, and a solvent is made into a thin sheet with a thickness of 3 mm or less and heated to a temperature of 1 [2 mm] to prevent temperature nonuniformity.
100-200℃, preferably 110-190℃, 20
Heating is performed for ~300 seconds, and drying is also performed at the same time.
エーテル化反応温度が１００℃未満の場合乾燥終了まで
に長時間を要し設備が大きくなる。また２００°Ｃを超
えた場合、溶媒飛散が激しく又品質劣化が生じる。When the etherification reaction temperature is less than 100° C., it takes a long time to complete the drying and the equipment becomes large. Moreover, when the temperature exceeds 200°C, the solvent scatters violently and the quality deteriorates.
この時のエーテル化反応及び乾燥を行なう！４：置とし
ては熱ロール、熟バンド、赤外線照射又は電磁照射等が
挙げられる。Perform the etherification reaction and drying at this time! 4: Examples of the method include a hot roll, a dry band, infrared irradiation, or electromagnetic irradiation.
尚、熱バンド、赤外線照射又は’ｉｔｔ磁照射等照射用
する場合、適宜、混合物をロール又は筒等でｉｌｌさ３
−ｌ以下に延ばして使用する。In addition, when irradiating with heat band, infrared rays, 'itt magnetic irradiation, etc., the mixture may be irradiated with a roll or cylinder as appropriate.
- Use by extending it to less than l.
次に本発明製造方法の具体例として一例を示せば、次の
ような方法が挙げられる。すなわち万能攪拌機中で、タ
マリンドガムとタマリンドガＬ１の１倍１１１の溶媒に
所定量のエーテル化剤を溶解した溶液と別に１倍量の溶
媒に所定量のアルカリを溶解した溶液とを混合した後、
それらをロール間隔が３ｍｍ以下及び表面温度が１００
〜２００℃となるよう調整した熱ロールに供給し、エー
テル化反応を行なう、さらに同時に、乾燥を行なうこと
によって、タマリンドガムのカルボキシメチルエーテル
アルカリ金属塩を得る。Next, as a specific example of the manufacturing method of the present invention, the following method may be mentioned. That is, in a universal stirrer, tamarind gum and a solution of a predetermined amount of etherifying agent dissolved in a solvent of 1 times the amount of tamarind gum L1 and a separate solution of a predetermined amount of alkali dissolved in a solvent of 1 times the amount of tamarind gum L1 are mixed, and then
The roll spacing is 3mm or less and the surface temperature is 100%.
The carboxymethyl ether alkali metal salt of tamarind gum is obtained by supplying the mixture to a hot roll adjusted to ~200°C to carry out an etherification reaction, and at the same time drying.
かかる、タマリンドガム、アルカリ及びエーテル化剤を
加えて混合する場合。When such tamarind gum, alkali and etherification agent are added and mixed.
（りタマリンドガムにアルカリ、次にエーテル化剤を加
える、
■タマリンドガムにエーテル化剤、次にアルカリを加え
る、
■タマリンドガムにエーテル化剤及びアルカリを予め混
合したものを加える。(Add an alkali to tamarind gum, then add an etherification agent, ■ Add an etherification agent to tamarind gum, then add an alkali, ■ Add a pre-mixed mixture of an etherification agent and an alkali to tamarind gum.)
等いずれの順でもかまわない。etc. Any order is fine.
（作用）
本発明の方法は１反応溶媒ｒ４３を大きく下げ、反応系
内のアルカリ濃度を高くし、さらに瞬時に高温に達し、
温度及び反応に不均一性を生じないよう厚さ３■以下の
薄いシート状物にすることにより従来法と比較しドープ
語調状態での攪拌を必・政としない短時間で反応を終了
させるものである。(Function) The method of the present invention greatly lowers the reaction solvent r43, increases the alkali concentration in the reaction system, and instantaneously reaches a high temperature.
In order to avoid non-uniformity in temperature and reaction, the reaction can be completed in a shorter time than conventional methods by making it into a thin sheet with a thickness of 3 cm or less, without requiring stirring in a doped state. It is.
（実施例）
以下、実施例及び比較例により発明実施の形１Ｂ（を及
び効果を示すが例示は当然説明用のもので、発明の技術
的範囲を制限し又は限定するものではない。(Examples) Hereinafter, Embodiment 1B (and effects) of the invention will be shown through Examples and Comparative Examples, but the examples are, of course, for illustrative purposes and are not intended to limit or limit the technical scope of the invention.
尚、タマリンドガムのカルボキシメチルエーテルアルカ
リ金属１！！の平均置換度（ＤＳ）及び粘瓜の計算法及
び測定法は、次の通りである。In addition, carboxymethyl ether alkali metal in tamarind gum 1! ! The calculation method and measurement method for the average degree of substitution (DS) and viscous melon are as follows.
口遊離アルカリ：
タマリンドガムのカルボキシメチルエーテルアルカリ金
属１１工（試料ｇ）を精秤し水を加え溶解後。Free alkali: Precisely weigh tamarind gum carboxymethyl ether alkali metal 11 (sample g) and add water to dissolve.
Ｎ／１０硫酸５〜１ＯＩＩＬ；Ｌピペットにて加え煮δ
後冷却し、Ｎ／１０水酸化カリウムで滴定した滴定Ｍ（
Ｓ３ａ＋ｉ）を次式に入れて計算し遊離アルカリを求め
た。N/10 sulfuric acid 5-1 OIIL; Add with L pipette and boil δ
Titration M (after cooling and titration with N/10 potassium hydroxide)
S3a+i) was entered into the following equation to calculate the free alkali.
（Ｂ−３違 ）ＸＦ
Ｍ敲アルカリ＝
試料（ｌ−水分（＄） ／ １００ ）２ＸＦ
Ｓ２；滴定数１１文
Ｆ ； Ｎ／１０硫酸の力価
Ｂ；ブランクの１文
Ｓ 、； 滴定数 膳立
Ｆ 、 Ｎ／１０水酸化カリウムの力価０ ”１ＬＰｌ
Ｉ換度（ＤＳ）。(B-3 difference) Standing F, N/10 Potassium Hydroxide Potency 0”1LPl
I conversion degree (DS).
タマリンドガムのカルボキシメチルエーテルアルカリ金
属１１１（試料ｇ）を精科し、白金ルツボ又は磁性ルツ
ボに入れ、６００℃で灰化によって生成した酸化ナトリ
ウムを５ｌｔｏ硫酸でフェノールフタレンを指示薬とし
て滴定した滴定量（３２＋ｓ文）より求められる値（Ｓ
Ｒ）を前記Ｍ敲アルカリ値で補正し、Ａｍ文を求め、法
要に入れて計算しＤＳを求めた。Carboxymethyl ether of tamarind gum Alkali metal 111 (sample g) was refined, placed in a platinum crucible or magnetic crucible, and the sodium oxide produced by ashing at 600°C was titrated with 5 lto sulfuric acid using phenolphthalene as an indicator. The value (S
R) was corrected using the above-mentioned M alkali value, the Am sentence was obtained, and the DS was calculated by putting it in the memorial service.
ＡｍＳ五−遊離アルカリ
＋５２ＸＡ
平均置換度（ＤＳ）＝
１００００ − ８０Ｘ Ａ
口語＋１１Ｌ；
タマリンドガムのカルボキシメチルエーテルアルカリ
木２００ｇを加えて振盪し、−夜装置し膨潤，溶解させ
る．２０％溶液になるよう水分補正し，マグネチックス
クラーでＩＯ分間均一ｂ″ｌ拝する。AmS penta-free alkali + 52XA Average degree of substitution (DS) = 10000 - 80X A Oral + 11L; Add 200g of carboxymethyl ether alkali wood of tamarind gum, shake, and leave to swell and dissolve overnight. Correct the moisture content so that it becomes a 20% solution, and mix it uniformly with a magnetic stirrer for 10 minutes.
円筒状ガラス容器に移し、２５℃恒温槽中で温度調整後
、Ｂ型粘度計にて６０ｒｐ■で３分後の数値を読取り、
係数を乗じて求めた。Transfer it to a cylindrical glass container, adjust the temperature in a constant temperature bath at 25°C, and read the value after 3 minutes at 60 rpm using a B-type viscometer.
It was calculated by multiplying by the coefficient.
実施例１゜
タマリンドガム（水分７％、純分６６％）１１０ｇを万
能攪拌機に仕込み、次に８８％イソプロピルアルコール
水溶液１１５ｇにモノクロル酢９９０．４ｇを溶解した
溶液を仕込み、冷却しながら４５＄ＮａＯＨ水溶液１７
４．２ｇを２０分間で滴下した後５分間攪拌し、これを
表面温度１５０℃、間隔１瑚層の二輔熱ロールに４０秒
間接触させてエーテル化反応及び乾燥を行ない、ロール
より剥離してカルボキシメチルエーテルナトリウム塩の
タマリンドガムを得た。Example 1 110g of tamarind gum (moisture 7%, purity 66%) was placed in a universal stirrer, then a solution of 990.4g of monochloro vinegar dissolved in 115g of 88% isopropyl alcohol aqueous solution was added, and while cooling, the mixture was heated with 45$ NaOH. Aqueous solution 17
4.2 g was dropped over 20 minutes, stirred for 5 minutes, and brought into contact with a heating roll with a surface temperature of 150°C and a spacing of 1 layer for 40 seconds to carry out an etherification reaction and drying, and then peeled off from the roll. Tamarind gum of carboxymethyl ether sodium salt was obtained.
尚、一部を７５％メタノール水溶液１０倍績で洗浄し、
乾燥、粉砕したものを分析試料に供した。In addition, a part was washed with a 75% methanol aqueous solution 10 times stronger,
The dried and pulverized product was used as an analytical sample.
実施例２゜
実施例１のモノクロル酢酸ｒ９０．４ｇＪ及び４５＄Ｎ
ａＯＨ水溶液ｒ１７４．２ｇＪを、モノクロル酢酸ｒ４
５．２ｇｊ及び４５＄ＮａＯＨ水溶液ｒ９３．１ｇＪに
代えた以外は、全て実施例１同様に行なった結果、カル
ボキシメチルエーテルナトリウム１ｕのタマリンドガム
を得た。Example 2゜ Monochloroacetic acid r of Example 1 90.4gJ and 45$N
aOH aqueous solution r174.2gJ, monochloroacetic acid r4
The same procedure as in Example 1 was carried out except that 5.2 gJ and 45 $ NaOH aqueous solution r93.1 gJ were used. As a result, tamarind gum containing 1 U of sodium carboxymethyl ether was obtained.
実施例３゜
タマリンドガム（水分７％、純分６６％）１１０ｇを万
能攪拌機に仕込み、次に５０％イソプロピルアルコール
水溶液２００ｇにＮａＯＨ７８，４ｇを溶解した溶液を
仕込み、冷却しながら５ｏｚイソプロピルアルコ−水溶
液８０ｇにモノクロールＩＩｒＩ酸９０．４ｇを溶解し
た溶液を２０分間で滴下し、さらに５分間撹拌した後、
実施例１同様に行ないカルボキシメチルエーテルナトリ
ウム塩のタマリンドガムを得た。Example 3 110 g of tamarind gum (moisture 7%, purity 66%) was placed in a universal stirrer, then a solution of 78.4 g of NaOH dissolved in 200 g of 50% isopropyl alcohol aqueous solution was added, and while cooling, 5oz isopropyl alcohol aqueous solution was added. A solution of 90.4 g of monochlor IIrI acid dissolved in 80 g was added dropwise over 20 minutes, and after further stirring for 5 minutes,
The same procedure as in Example 1 was carried out to obtain tamarind gum containing carboxymethyl ether sodium salt.
実施例４゜
タマリンドガム（水分７％、純分６６％）２２０ｇを刀
１１８ａ拌機に仕込み１次に８８％イソプロピルアルコ
ール水溶液１７５ｇにモノクロル酢酸１３５．６ｇを溶
解した溶液を仕込み、冷却しながら４５＄ＮａＯＨ水溶
液２６１．４ｇを２０分１１１１で滴下した後５分間撹
拌し、これを下記の表面温度及び間隔を有する二輪熱ロ
ールで下記の時間。Example 4 220 g of tamarind gum (water content 7%, purity 66%) was charged into a sword 118a stirrer.Firstly, a solution of 135.6 g of monochloroacetic acid dissolved in 175 g of an 88% aqueous isopropyl alcohol solution was charged, and the mixture was stirred while cooling. After dropping 261.4 g of $NaOH aqueous solution over 20 minutes, the mixture was stirred for 5 minutes, and then heated using two heated rolls having the following surface temperature and spacing for the following time.
エーテル化反応及び乾燥を行ないカルボキシメチルエー
テルナトリウム塩のタマリンドガムを得た。 Ｌ証星
韮、 肌ｌ 、 敷−−１１１０℃ ２ １調
２４０ 秒１４０℃ １．５ ｍ−６０秒
１９０℃ １ｍｓ ３０秒
実施例５゜
タマリンドガム（水分７％、純分６６％）１１０ｇを万
能撹拌機に仕込み、次に２８．２＄ Ｎ ａ ＯＨ水溶
液２９８．４ｇを２０℃以下に冷却し、モノクロル耐酸
９０．４ｇに、モノクロル酢酸温度が３０℃以上になら
ない様冷却しながら滴下して得たモノクロル酢酸ソーダ
・ＮａＯＨ水溶液を添加した後５分間攪拌し、これを表
面温度１４０°Ｃ１間［０，５層層の二袖熱ロールに３
０秒間接触させてエーテル化反応及び乾燥を行ない、ロ
ールより２［してカルボキシメチルエーテルナトリウム
塩のタマリンドガムを得た。Etherification reaction and drying were performed to obtain tamarind gum of carboxymethyl ether sodium salt. 1110℃ 21 tone 240 seconds 140℃ 1.5 m-60 seconds 190℃ 1ms 30 seconds Example 5 110g of tamarind gum (moisture 7%, purity 66%) Charge it to a universal stirrer, then cool 298.4 g of 28.2 $ NaOH aqueous solution to below 20°C, and dropwise add it to 90.4 g of monochloroacetic acid while cooling so that the monochloroacetic acid temperature does not exceed 30°C. After adding the obtained monochlorosodium acetate/NaOH aqueous solution, it was stirred for 5 minutes, and then transferred to a two-sleeved hot roll with a surface temperature of 140° C.
The mixture was brought into contact with the mixture for 0 seconds to perform an etherification reaction and drying, and the mixture was rolled again to obtain tamarind gum containing carboxymethyl ether sodium salt.
比較例、ｌ
実施例１の表面温度ｒ１５０℃」を、１８０℃」に代え
た以外は、全て実施例１同様に行なった結果、乾燥が悪
くロールより剥離するまでに２０分を要した。又このも
のは、水に溶解するが白濁した溶液であった。Comparative Example 1 The same procedure as in Example 1 was carried out except that the surface temperature r of Example 1 was changed from 150°C to 180°C. As a result, drying was poor and it took 20 minutes to peel off from the roll. Although this product was soluble in water, it was a cloudy solution.
比較例、２
実施例１（７）表面温度ｒＬ５０℃」を、ｒ２２０℃ｊ
に代えた以外は、全て実施例１回様に行なった結果、こ
のものは、変色が認められ、水に対する溶解性も不足し
、溶液は二層に分離した。Comparative Example, 2 Example 1 (7) Surface temperature rL50℃'', r220℃j
As a result, discoloration was observed, the solubility in water was insufficient, and the solution was separated into two layers.
比較例、３
タマリンドガム（水分７％、純分６６％）１１０ｇをＩ
Ｎプレンダーに仕込み１次にθｏｚインプロピルアルコ
ール水溶液３３０ｇにＮ ａＯＨ３９，２ｇを溶解した
溶液を添加し、１０分間攪拌した後、６ｏｚイソプロピ
ルアルコ一ル水溶液２２０ｇにモノクロル酢酸４５．２
ｇを溶解した溶液を２０分間で滴下した後、さらに２０
分間攪拌し、これを表面温度１５０℃、間隔１１−の二
輪熱ロールに６０秒間接触させたが突碑が激しく、又ロ
ールへの付着も悪く、エーテル化度２が９４ｆｉであっ
た。Comparative example, 3 110g of tamarind gum (moisture 7%, purity 66%)
First, a solution of 39.2 g of NaOH dissolved in 330 g of θoz inpropyl alcohol aqueous solution was added, and after stirring for 10 minutes, 45.2 g of monochloroacetic acid was added to 220 g of 6oz isopropyl alcohol aqueous solution.
After adding dropwise a solution of 20 g over 20 minutes, an additional 20
After stirring for a minute, the mixture was brought into contact with two heated rolls with a surface temperature of 150 DEG C. and a spacing of 11 for 60 seconds, but there were severe bumps and poor adhesion to the rolls, and the degree of etherification 2 was 94 fi.
これらの結果を第−表に示す。These results are shown in Table 1.
（ト＞、％糸色ｐ
（発明の効果）
以上説明した通り未発１３の方法は、少量の反応溶媒量
により、タマリンドガムのドープ語調状態を解消し、反
応時間も短く、さらに得られるタマリンドガムのカルボ
キシメチルエーテルアルカリ金属Ｊｌは、澄明な糊液と
なる。(Effects of the Invention) As explained above, the method of No. 13 eliminates the dope tone state of tamarind gum by using a small amount of reaction solvent, the reaction time is short, and the tamarind gum obtained The carboxymethyl ether alkali metal Jl of the gum results in a clear thickening liquid.
従って、食品用の増粘安定剤、安定剤及びゲル化剤とし
て、さらに捺染用糊料として１ｌＩＯ著な貢献を果たし
うる。Therefore, 11IO can make a significant contribution as a thickening stabilizer, stabilizer, and gelling agent for foods, and also as a thickening agent for textile printing.
特許出願人 第−工業製薬株式会社 第一表Patent applicant Dai-Kogyo Seiyaku Co., Ltd. Table 1
Claims (2)
ル化剤を作用させエーテル化反応を行なうことによる、
タマリンドガムのカルボキシメチルエーテルアルカリ金
属塩の製造法において、 ［ａ］溶媒が炭素数１〜４のアルコール及びアセトンか
ら選らばれた親水性有機溶媒の少なくとも１種又は２種
以上を０〜８０重量％含有する水溶液で、かつ重量比で
タマリンドガムの０．３〜３倍量存在し、 ［ｂ］エーテル化反応及び引続き乾燥を行なうために厚
さ３ｍｍ以下の薄いシート状物にして温度１００〜２０
０℃で２０〜３００秒間加熱する、 ことを特徴とするタマリンドガムのカルボキシメチルエ
ーテルアルカリ金属塩の製造方法。(1) By reacting tamarind gum with an alkali and an etherification agent in a solvent to perform an etherification reaction.
In the method for producing a carboxymethyl ether alkali metal salt of tamarind gum, [a] the solvent contains 0 to 80% by weight of at least one or two or more hydrophilic organic solvents selected from alcohols having 1 to 4 carbon atoms and acetone; [b] In order to carry out the etherification reaction and subsequent drying, it is made into a thin sheet with a thickness of 3 mm or less and heated at a temperature of 100 to 20°C.
A method for producing a carboxymethyl ether alkali metal salt of tamarind gum, which comprises heating at 0°C for 20 to 300 seconds.
使用する請求項１のタマリンドガムのカルボキシメチル
エーテルアルカリ金属塩の製造方法。(2) The method for producing carboxymethyl ether alkali metal salt of tamarind gum according to claim 1, which uses a hot roll, a hot band, infrared irradiation or electromagnetic irradiation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25141488A JPH0299502A (en) | 1988-10-05 | 1988-10-05 | Production of alkali metal salt of carboxymethyl ether of tamarind gum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25141488A JPH0299502A (en) | 1988-10-05 | 1988-10-05 | Production of alkali metal salt of carboxymethyl ether of tamarind gum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0299502A true JPH0299502A (en) | 1990-04-11 |
Family
ID=17222490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25141488A Pending JPH0299502A (en) | 1988-10-05 | 1988-10-05 | Production of alkali metal salt of carboxymethyl ether of tamarind gum |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0299502A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106496350A (en) * | 2016-10-11 | 2017-03-15 | 常州市鼎升环保科技有限公司 | A kind of high colouring quantity tamarind gum preparation method |
| WO2020026041A1 (en) * | 2018-07-28 | 2020-02-06 | Tanna Raj Mahendra | Improved process for preparing alkali metal salt of carboxyalkyl ether of tamarind gum |
| WO2021033020A1 (en) * | 2019-08-20 | 2021-02-25 | Tanna Raj Mahendra | Alkali metal salt of carboxyalkyl ether of tamarind gum with improved composition |
-
1988
- 1988-10-05 JP JP25141488A patent/JPH0299502A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106496350A (en) * | 2016-10-11 | 2017-03-15 | 常州市鼎升环保科技有限公司 | A kind of high colouring quantity tamarind gum preparation method |
| WO2020026041A1 (en) * | 2018-07-28 | 2020-02-06 | Tanna Raj Mahendra | Improved process for preparing alkali metal salt of carboxyalkyl ether of tamarind gum |
| WO2021033020A1 (en) * | 2019-08-20 | 2021-02-25 | Tanna Raj Mahendra | Alkali metal salt of carboxyalkyl ether of tamarind gum with improved composition |
| US11384163B2 (en) | 2019-08-20 | 2022-07-12 | Raj Mahendra TANNA | Alkali metal salt of carboxyalkyl ether of tamarind gum with improved composition |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2900268A (en) | Process for preparing hydroxyalkylated cereal flour | |
| JPH0476361B2 (en) | ||
| JP2021518403A (en) | Crystal form of compound and method of producing crystal form of compound | |
| JPH0299502A (en) | Production of alkali metal salt of carboxymethyl ether of tamarind gum | |
| GB807638A (en) | Substantially anhydrous ferrous fumarate and a method of preparing same | |
| CN104311682B (en) | A kind of production method of medicinal CMS | |
| DE19702026A1 (en) | Porous moulded articles used for making pastes, especially for wallpaper, etc. | |
| KR102184352B1 (en) | Composition for forming a film | |
| JPH0580481B2 (en) | ||
| US3022221A (en) | Iron hydrogenated dextran | |
| CN107854337A (en) | High whitening emulsion of a kind of stability and preparation method thereof | |
| CN106366213B (en) | The industrialized process for preparing of O-CMC | |
| JPS5975903A (en) | Manufacture of water-soluble sodium carboxymethylcellulose | |
| US2834777A (en) | Methods of treating cellulose ethers | |
| US4331781A (en) | Process for the preparation of a polyvinyl alcohol complex compound in the presence of an organic boric acid derivative | |
| GB516672A (en) | Improvements in or relating to the production of cellulose derivatives | |
| Wolf | The determination of lactic acid | |
| JPS5849714A (en) | Preparation for dried solid of polyacrylic acid salt | |
| US1813665A (en) | Process of making cellulose ethers | |
| JP4330091B2 (en) | Method for producing low viscosity sodium carboxymethylcellulose | |
| JPH0275602A (en) | Manufacture of carboxymethyl ether alkali metal salt of tamarind gum | |
| US2697094A (en) | Fungicidal products of cellulose ethers | |
| US2040093A (en) | Nonalkali metal salts of dicarboxylic acid esters of cellulose | |
| US1978247A (en) | Manufacture of adhesive materials from rubber latex | |
| US2480930A (en) | Process for making silver protective cloth |