JPH072937B2 - Inorganic adhesive - Google Patents
Inorganic adhesiveInfo
- Publication number
- JPH072937B2 JPH072937B2 JP22097990A JP22097990A JPH072937B2 JP H072937 B2 JPH072937 B2 JP H072937B2 JP 22097990 A JP22097990 A JP 22097990A JP 22097990 A JP22097990 A JP 22097990A JP H072937 B2 JPH072937 B2 JP H072937B2
- Authority
- JP
- Japan
- Prior art keywords
- weight
- adhesive
- silicate
- parts
- plant extract
- 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.)
- Expired - Lifetime
Links
- 239000000853 adhesive Substances 0.000 title claims description 32
- 230000001070 adhesive effect Effects 0.000 title claims description 32
- 239000000419 plant extract Substances 0.000 claims description 14
- 229910052604 silicate mineral Inorganic materials 0.000 claims description 13
- 229910052910 alkali metal silicate Inorganic materials 0.000 claims description 10
- 229910052625 palygorskite Inorganic materials 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 description 9
- 239000000843 powder Substances 0.000 description 7
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 7
- 239000002341 toxic gas Substances 0.000 description 6
- 239000004115 Sodium Silicate Substances 0.000 description 5
- 239000010425 asbestos Substances 0.000 description 5
- 235000019353 potassium silicate Nutrition 0.000 description 5
- 229910052895 riebeckite Inorganic materials 0.000 description 5
- 229910052911 sodium silicate Inorganic materials 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 3
- 241000209094 Oryza Species 0.000 description 3
- 235000007164 Oryza sativa Nutrition 0.000 description 3
- 239000004111 Potassium silicate Substances 0.000 description 3
- 239000003002 pH adjusting agent Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 229910052913 potassium silicate Inorganic materials 0.000 description 3
- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical compound [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 description 3
- 235000009566 rice Nutrition 0.000 description 3
- 239000010454 slate Substances 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 150000001413 amino acids Chemical class 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical group O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 229940094522 laponite Drugs 0.000 description 2
- XCOBTUNSZUJCDH-UHFFFAOYSA-B lithium magnesium sodium silicate Chemical compound [Li+].[Li+].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Na+].[Na+].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].O1[Si](O2)([O-])O[Si]3([O-])O[Si]1([O-])O[Si]2([O-])O3.O1[Si](O2)([O-])O[Si]3([O-])O[Si]1([O-])O[Si]2([O-])O3.O1[Si](O2)([O-])O[Si]3([O-])O[Si]1([O-])O[Si]2([O-])O3.O1[Si](O2)([O-])O[Si]3([O-])O[Si]1([O-])O[Si]2([O-])O3.O1[Si](O2)([O-])O[Si]3([O-])O[Si]1([O-])O[Si]2([O-])O3.O1[Si](O2)([O-])O[Si]3([O-])O[Si]1([O-])O[Si]2([O-])O3 XCOBTUNSZUJCDH-UHFFFAOYSA-B 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 229920000620 organic polymer Polymers 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 235000000346 sugar Nutrition 0.000 description 2
- 150000008163 sugars Chemical class 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 241000219492 Quercus Species 0.000 description 1
- 235000016976 Quercus macrolepis Nutrition 0.000 description 1
- 244000269722 Thea sinensis Species 0.000 description 1
- 229920002310 Welan gum Polymers 0.000 description 1
- OBNDGIHQAIXEAO-UHFFFAOYSA-N [O].[Si] Chemical compound [O].[Si] OBNDGIHQAIXEAO-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- HPTYUNKZVDYXLP-UHFFFAOYSA-N aluminum;trihydroxy(trihydroxysilyloxy)silane;hydrate Chemical group O.[Al].[Al].O[Si](O)(O)O[Si](O)(O)O HPTYUNKZVDYXLP-UHFFFAOYSA-N 0.000 description 1
- 235000001014 amino acid Nutrition 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000357 carcinogen Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 229910052619 chlorite group Inorganic materials 0.000 description 1
- QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical group OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 235000009569 green tea Nutrition 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- CYPPCCJJKNISFK-UHFFFAOYSA-J kaolinite Chemical group [OH-].[OH-].[OH-].[OH-].[Al+3].[Al+3].[O-][Si](=O)O[Si]([O-])=O CYPPCCJJKNISFK-UHFFFAOYSA-J 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- PAZHGORSDKKUPI-UHFFFAOYSA-N lithium metasilicate Chemical compound [Li+].[Li+].[O-][Si]([O-])=O PAZHGORSDKKUPI-UHFFFAOYSA-N 0.000 description 1
- 229910052912 lithium silicate Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- VGIBGUSAECPPNB-UHFFFAOYSA-L nonaaluminum;magnesium;tripotassium;1,3-dioxido-2,4,5-trioxa-1,3-disilabicyclo[1.1.1]pentane;iron(2+);oxygen(2-);fluoride;hydroxide Chemical group [OH-].[O-2].[O-2].[O-2].[O-2].[O-2].[F-].[Mg+2].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[K+].[K+].[K+].[Fe+2].O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2 VGIBGUSAECPPNB-UHFFFAOYSA-L 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000011973 solid acid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 229920001285 xanthan gum Polymers 0.000 description 1
- 239000000230 xanthan gum Substances 0.000 description 1
- 229940082509 xanthan gum Drugs 0.000 description 1
- 235000010493 xanthan gum Nutrition 0.000 description 1
Landscapes
- Adhesives Or Adhesive Processes (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は紙同士または紙とモルタル壁、コンリート
壁、スレート板、木質板、石膏板、珪カル板等の建材と
の接着に使用する無機質接着剤に関するのもである。DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention is an inorganic material used for bonding papers or papers with building materials such as mortar wall, mortar wall, slate board, wood board, gypsum board, silica board and the like. It also concerns adhesives.
従来のこの種の無機質接着剤としては、アルカリ金属珪
酸塩、いわゆる水ガラスを基材とし、これにアスベスト
を添加したものがよく知られている。アスベストは、水
ガラスだけでは強アルカリのため、紙同士またはこれと
木質板等との接着には適さないので、pH調整剤として添
加されているものである。Conventionally known inorganic adhesives of this type are those in which an alkali metal silicate, so-called water glass, is used as a base material, and asbestos is added to the base material. Asbestos is a strong alkali in water glass alone and is not suitable for adhering paper to each other or to wood boards and the like, so it is added as a pH adjuster.
ところが、アスベストは、発ガン物質として認定され、
製造時等に体内に吸い込まれるとガン発生の原因となる
ので、いまでは、その使用は事実上できない。このた
め、上記無機質接着剤は使用されなくなっている。However, asbestos is certified as a carcinogen,
If it is inhaled into the body during manufacturing, it will cause cancer, so its use is virtually impossible now. Therefore, the inorganic adhesive is no longer used.
そこで、紙関連の業界では、酢酸ビニール共重合体やポ
リビニールアルコールなどの有機系高分子接着剤を多用
するようになっている。しかし、これらの接着剤は、熱
に弱いため、火災が発生し着火した場合には人体に対す
る有毒ガスを発生するという問題があった。Therefore, in the paper-related industry, organic polymer adhesives such as vinyl acetate copolymer and polyvinyl alcohol are often used. However, since these adhesives are vulnerable to heat, there is a problem that when a fire occurs and ignites, it produces a toxic gas to the human body.
この発明は、このような従来の問題点を解決するために
なされたもので、従来の無機質接着剤におけるアスベス
トに代えて珪酸塩鉱物と植物エキスを用いることによ
り、製造時に人体に害を及ぼすおそれがなく、かつ熱に
よって人体に有害な有毒ガスを発生するおそれがない無
機質接着剤を提供することを目的とする。The present invention has been made to solve such conventional problems, by using silicate minerals and plant extracts in place of asbestos in conventional inorganic adhesives, it may harm the human body during production. It is an object of the present invention to provide an inorganic adhesive that is free of the risk of generating a toxic gas that is harmful to the human body due to heat.
この発明が提供する無機質接着剤は、珪酸アルカリ水溶
液を100重量部、パリゴルスカイト等の珪酸塩鉱物を５
〜25重量部、植物エキスを１〜３重量部含有しているも
のである。The inorganic adhesive provided by this invention contains 100 parts by weight of an alkali silicate aqueous solution and 5 parts of a silicate mineral such as palygorskite.
.About.25 parts by weight and 1 to 3 parts by weight of the plant extract.
上記珪酸アルカリ水溶液は、珪酸ナトリウム、珪酸カリ
ウム、珪酸リチウム等から選ばれた１種、または２種以
上のものの水溶液である。JIS K1408に規定されている
１、２、３号は、そのまま珪酸アルカリ水溶液として使
用することができる。含水率10〜30％である粉末珪酸ナ
トリウム、粉末珪酸カリウム等を使用する場合には、濃
度を約30〜60％にして使用するのが良い。また、珪酸ア
ルカリは、SiO2／M2O（ＭはLi、Na、Ｋ等を表わす）の
モル比が４以下であることが好ましい。その理由は、モ
ル比が４を越えると、短時間で流動性を失い適当な可使
時間を得ることが困難となり、かつ接着強度が低下する
からである。The alkaline silicate aqueous solution is an aqueous solution of one or more selected from sodium silicate, potassium silicate, lithium silicate and the like. Nos. 1, 2, and 3 specified in JIS K1408 can be used as an aqueous solution of alkali silicate as they are. When using powdered sodium silicate or powdered potassium silicate having a water content of 10 to 30%, it is preferable to adjust the concentration to about 30 to 60% before use. The alkali silicate preferably has a SiO 2 / M 2 O (M represents Li, Na, K, etc.) molar ratio of 4 or less. The reason for this is that if the molar ratio exceeds 4, the fluidity is lost in a short time, it becomes difficult to obtain an appropriate pot life, and the adhesive strength decreases.
珪酸塩鉱物としては二層タイプのカオリナイト族、ハロ
イサイト族、三層タイプのモンモリロナイト族、イライ
ト族および混成層タイプのクロライト族のものも使用で
きるが、鎖状タイプ（珪素−酸素四面体がアルミニウム
およびマグネシウムを含む酸化物、または水酸化物八面
体族により鎖状連結したもの）のパルゴルスカイト〔Mg
Al)5Si8O20(OH)2(OH)4・4H2O〕あるいはモンモリロナイ
ト属とパリゴルスカイトを組み合せたものが好ましい。As the silicate mineral, double-layer type kaolinite group, halloysite group, three-layer type montmorillonite group, illite group and mixed layer type chlorite group can be used, but chain type (silicon-oxygen tetrahedron Oxides containing aluminum and magnesium, or hydroxides linked in a chain by the octahedral group) pargolskites [Mg
Al) 5 Si 8 O 20 (OH) 2 (OH) 4 .4H 2 O] or a combination of montmorillonite and palygorskite is preferable.
植物エキスの植物には、緑茶、楢、松等の草木類が使用
される。これらの草木類には、フラノボイド類、アミノ
酸、有機酸、糖類等が含まれていて、植物エキスとして
のpHは3.7〜5.0である。As plants of the plant extract, plants such as green tea, oak, pine, etc. are used. These plants and trees contain furanovoids, amino acids, organic acids, sugars and the like, and have a pH of 3.7 to 5.0 as a plant extract.
上記の珪酸アルカリ水溶液、珪酸塩鉱物および植物エキ
スの配合量は、被塗物の性質に応じて所要の粘度に合わ
せればよく、特に限定する必要はない。The amounts of the above-mentioned alkaline silicate aqueous solution, silicate mineral and plant extract may be adjusted to the required viscosity according to the properties of the object to be coated, and are not particularly limited.
しかし、この発明において、パリゴルスカイト等の珪酸
塩鉱物を５〜25重量部、植物エキスを１〜３重量部と限
定したのは、次の理由による。すなわち、珪酸塩鉱物が
25重量部を越えると、粘度が上がりロールコーター等の
作業性が悪く、５重量部未満であると、層状、鎖状の連
結等がなく、接着剤としての本来の性能が十分発揮され
ないからである。また、植物エキスが３重量部を越える
と、高くつくと同時に、接着剤貯蔵時の不安定が考えら
れるので好ましくなく、１重量部未満であると、接着剤
としての性能の向上が期待できないからである。However, in the present invention, the reason for limiting the silicate mineral such as palygorskite to 5 to 25 parts by weight and the plant extract to 1 to 3 parts by weight is as follows. That is, the silicate mineral
If it exceeds 25 parts by weight, the viscosity increases and the workability of the roll coater is poor, and if it is less than 5 parts by weight, there is no layered or chain-like connection and the original performance as an adhesive cannot be fully exhibited. is there. Further, when the amount of the plant extract exceeds 3 parts by weight, it is expensive, and at the same time, instability during storage of the adhesive is considered, which is not preferable, and when it is less than 1 part by weight, improvement in performance as an adhesive cannot be expected. Is.
通常、珪酸アルカリ水溶液〔珪酸ナトリウム（SiO2 23
〜38％、Na2O 6〜18％、モル比２〜3.9）または珪酸カ
リ（SiO2 19.5〜30％、K2O 8.5〜23％、モル比1.8〜3.
7）〕100重量部に、珪酸塩鉱物のパルゴルスカイト５〜
25重量部、植物エキス（フラノボイド類、アミノ酸、有
機類、糖類が含まれたpH3.7〜5.0の水溶液）１〜３重量
部を組み合わせるのが好ましい。Usually, an aqueous solution of alkali silicate [sodium silicate (SiO 2 23
~38%, Na 2 O 6~18% , molar ratio 2 to 3.9) or potassium silicate (SiO 2 19.5~30%, K 2 O 8.5~23%, molar ratio 1.8 to 3.
7)] 100 parts by weight of the silicate mineral pargolskite 5
It is preferable to combine 25 parts by weight and 1 to 3 parts by weight of a plant extract (an aqueous solution containing furanovoids, amino acids, organics and sugars at pH 3.7 to 5.0).
上記珪酸アルカリと珪酸塩鉱物は、耐熱性と不燃性を有
するので、これらの性質が接着剤に耐熱性と不燃性を付
与する。Since the alkali silicate and the silicate mineral have heat resistance and nonflammability, these properties impart heat resistance and nonflammability to the adhesive.
珪酸塩鉱物は、層状構造、鎖状構造のものであるので、
接着剤に靱性を付与するだけでなく、粒子表面の水分吸
着力が大きいので、接着剤の接着力を向上させる。すな
わち、粒子表面の水分吸着力は、粒子表面と水の界面に
おける電気化学的作用によるものと考えられるが、これ
が接着剤の紙等に対する付着力を良くする。また、上記
水分吸着力は珪酸塩鉱物自体の懸濁性を良くするととも
に、他の成分、たとえば、アルミナ等の無機質粉末を珪
酸アルカリ溶液中に分散させ易くする。なお、珪酸塩鉱
物は、pH調整剤の役目もすると考えられている。Since the silicate mineral has a layered structure and a chain structure,
It not only imparts toughness to the adhesive, but also improves the adhesive strength of the adhesive because it has a large water adsorption power on the particle surface. That is, it is considered that the water adsorption force on the particle surface is due to the electrochemical action at the interface between the particle surface and water, which improves the adhesive force of the adhesive to paper or the like. In addition, the water adsorption power improves the suspension property of the silicate mineral itself, and also facilitates the dispersion of other components, for example, inorganic powder such as alumina powder in the alkali silicate solution. It is considered that the silicate mineral also serves as a pH adjusting agent.
植物エキスは、pH3.7〜5.0であるので、珪酸アルカリの
強アルカリ性を緩和するpH調整剤として働き、接着剤を
紙同士または紙と木質板等とを接着するのに適したもの
とすることができる。Since the plant extract has a pH of 3.7 to 5.0, it works as a pH adjusting agent for alleviating the strong alkalinity of alkali silicate, and the adhesive should be suitable for adhering papers to each other or paper and a wood board. You can
上記珪酸アルカリと珪酸塩鉱物と植物エキスは、それ自
体、人体に有害な毒性を有していないので、接着剤の製
造時に、これらの成分が人体に触れ、あるいは体内に入
ることがあっても、害を及ぼすおそれはない。Since the alkali silicate, silicate mineral and plant extract themselves do not have harmful toxicity to the human body, even if these components may come into contact with the human body or enter the body during the production of the adhesive, , There is no danger of harm.
また、上記組成分は、毒性を有しないだけでなく、上述
のように、耐熱性と不燃性を有するので、有機系高分子
化合物のように、熱によって燃焼し、有毒ガスを発生す
るおそれはない。Further, the above-mentioned composition is not only non-toxic, but also has heat resistance and non-combustibility as described above, so that like organic polymer compounds, it is burned by heat and may generate a toxic gas. Absent.
（実施例１） 珪酸ナトリウム２号水溶液100重量部、パリゴルスカイ
ト５重量部、アルミナの粉末10重量部、植物エキス１重
量部、およびウェランガム１重量部を配合して混練り
し、得られた接着剤を第１図に示す、重量が平方米当た
り90gで5cm×7cmの紙１の片面の約2/3に、平方米当たり
20g塗布し、これを同じ大きさと重量の片方の紙２に圧
着した。ついで温度が100℃の乾燥炉の中を60秒間通過
させて乾燥した後、紙１を矢印Ｘ方向へ指で引き剥がし
たところ、接着剤の端縁部３で破断したが、接着剤によ
る接着面はしっかりと固着しており、その付着性能は十
分であることが判明した。(Example 1) 100 parts by weight of sodium silicate No. 2 aqueous solution, 5 parts by weight of palygorskite, 10 parts by weight of alumina powder, 1 part by weight of plant extract, and 1 part by weight of welan gum were mixed and kneaded to obtain an adhesive. Fig. 1 shows about 2/3 of one side of 5 cm x 7 cm paper 1 with a weight of 90 g per square rice.
20 g was applied, and this was pressed onto one paper 2 of the same size and weight. Then, after passing through a drying oven at a temperature of 100 ° C. for 60 seconds to dry, the paper 1 was peeled off with a finger in the direction of the arrow X, and it broke at the edge 3 of the adhesive, but was bonded by the adhesive. The surface was firmly fixed, and it was found that its adhesion performance was sufficient.
また、上記テスト後、バーナーで燃焼試験をしたとこ
ろ、紙1,2は燃えたが、接着剤の燃焼と有毒ガスが含ま
れるとされる黒色、異色の煙の発生は認められなかっ
た。Further, after the above test, a burning test was conducted with a burner. As a result, the papers 1 and 2 burned, but neither the burning of the adhesive nor the generation of black or different-colored smoke containing toxic gas was observed.
（実施例２） 珪酸ナトリウム２号水溶液100重量部、パリゴルスカイ
ト10重量部、アルミナの粉末15重量部、植物エキス１重
量部、およびラポナイトRDS2重量部を配合して混練り
し、第２図に示す15cm×30cm×3mmのスレート板４の片
面の約2/3に、平方米当たり40kg塗布し、これに、同じ
大きさで重量が平方米当たり90gの紙５を圧着した、つ
いで、温度が100度℃の乾燥炉の中を20分間通過させて
乾燥した後、その紙５を矢印Ｙ方向へ指で引き剥がした
ところ、接着剤の端縁部６で破断したが、接着剤による
接着面はしっかりと固着しており、その付着性能は十分
であることが判明した。(Example 2) 100 parts by weight of sodium silicate No. 2 aqueous solution, 10 parts by weight of palygorskite, 15 parts by weight of alumina powder, 1 part by weight of plant extract, and 2 parts by weight of laponite RDS were mixed and kneaded, and shown in FIG. About 2/3 of one side of the 15 cm x 30 cm x 3 mm slate plate 4 is coated with 40 kg per square rice, and a paper 5 having the same size and weighing 90 g per square rice is pressure-bonded to the plate. After passing through a drying oven at a temperature of 20 ° C. for 20 minutes to dry, the paper 5 was peeled off with a finger in the direction of the arrow Y, and it broke at the edge 6 of the adhesive. It was firmly fixed, and it was found that its adhesion performance was sufficient.
また、上記テスト後、バーナーで燃焼試験したところ、
紙５は燃えたが、接着剤の燃焼と有毒ガスが含まれると
される黒色、黒色の煙の発生は認められなかった。In addition, after the above test, when burned with a burner,
The paper 5 burned, but neither the burning of the adhesive nor the generation of black smoke or black smoke, which was thought to contain toxic gas, was observed.
なお、実施例における無機質粉末のアルミナは、必要に
応じ添加すればよい。この粉末はSiO2・Al2O3触媒とし
ての固体酸触媒の作用をもつものと思われ、これもPH調
整の役目をするものと考えられる。この他、水酸化アル
ミニウムを添加する場合もある。また、上記天然多糖類
のウェンガムは、その性能面でラムザンガム、ザンサン
ガムと多くの共通点をもっているが、均一分性、他成分
との相容性で二者より優れている。またラポナイト〔Si
8(Mg5.34Li0.66)O20(OH)4〕M+ 0.66（M+は常にNa）も無
機質で分散性、懸濁性、増粘性および吸着性にその特徴
がある。いずれも、必要に応じ添加することができる。The inorganic powder alumina in the examples may be added if necessary. This powder seems to act as a solid acid catalyst as a SiO 2 · Al 2 O 3 catalyst, and it is also considered that this powder also plays a role of pH adjustment. In addition to this, aluminum hydroxide may be added in some cases. The above-mentioned natural polysaccharide, wengum, has many similarities with rhamzan gum and xanthan gum in terms of performance, but is superior to the two in uniformity and compatibility with other components. In addition, Laponite [Si
8 (Mg 5.34 Li 0.66 ) O 20 (OH) 4 ] M + 0.66 (M + is always Na) is also an inorganic substance and characterized by its dispersibility, suspension, thickening and adsorption. Both can be added as needed.
以上説明したように、この発明によれば、従来の無機質
接着剤におけるアスベストに代えて珪酸縁鉱物と植物エ
キスを使用するようにしたので、製造時に人体に害を及
ぼすおそれがなく、かつ熱によって人体に有害な有毒ガ
スを発生するおそれのない接着剤を得ることができる。As described above, according to the present invention, since the silicate edge mineral and the plant extract are used instead of asbestos in the conventional inorganic adhesive, there is no danger of harming the human body at the time of production, and by heat. It is possible to obtain an adhesive that does not generate toxic gas harmful to the human body.
第１図および第２図は、この発明の実施例による接着剤
の性能テストの要領を説明するための斜視図である。 1,2,5……紙 ４……スレート紙 3,6……接着剤の端縁部1 and 2 are perspective views for explaining the procedure of the performance test of the adhesive according to the embodiment of the present invention. 1,2,5 …… Paper 4 …… Slate paper 3,6 …… Adhesive edge
Claims (1)
ルスカイト等の珪酸塩鉱物を５〜25重量部、植物エキス
を１〜３重量部含有していることを特徴とする無機質接
着剤。1. An inorganic adhesive containing 100 parts by weight of an aqueous alkali silicate solution, 5 to 25 parts by weight of a silicate mineral such as palygorskite, and 1 to 3 parts by weight of a plant extract.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22097990A JPH072937B2 (en) | 1990-08-24 | 1990-08-24 | Inorganic adhesive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22097990A JPH072937B2 (en) | 1990-08-24 | 1990-08-24 | Inorganic adhesive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04103681A JPH04103681A (en) | 1992-04-06 |
| JPH072937B2 true JPH072937B2 (en) | 1995-01-18 |
Family
ID=16759568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22097990A Expired - Lifetime JPH072937B2 (en) | 1990-08-24 | 1990-08-24 | Inorganic adhesive |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH072937B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006511357A (en) * | 2002-12-18 | 2006-04-06 | ショイテン グラースグループ | Fire prevention means and manufacturing method thereof |
-
1990
- 1990-08-24 JP JP22097990A patent/JPH072937B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006511357A (en) * | 2002-12-18 | 2006-04-06 | ショイテン グラースグループ | Fire prevention means and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04103681A (en) | 1992-04-06 |
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