KR100673507B1 - Environment-friendly adhesive - Google Patents

Environment-friendly adhesive Download PDF

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Publication number
KR100673507B1
KR100673507B1 KR1020050112203A KR20050112203A KR100673507B1 KR 100673507 B1 KR100673507 B1 KR 100673507B1 KR 1020050112203 A KR1020050112203 A KR 1020050112203A KR 20050112203 A KR20050112203 A KR 20050112203A KR 100673507 B1 KR100673507 B1 KR 100673507B1
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oxalic acid
adhesive
cmc
solution
added
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KR1020050112203A
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Korean (ko)
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KR20050116790A (en
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하근철
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하근철
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J107/00—Adhesives based on natural rubber
    • C09J107/02—Latex
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/08—Cellulose derivatives
    • C08L1/26—Cellulose ethers
    • C08L1/28—Alkyl ethers
    • C08L1/286—Alkyl ethers substituted with acid radicals, e.g. carboxymethyl cellulose [CMC]
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/06—Non-macromolecular additives organic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J9/00—Adhesives characterised by their physical nature or the effects produced, e.g. glue sticks

Abstract

옥살산수용액과 CMC수용액을 혼합한 용액에 암모니아수가 함유된 액상의 천연라텍스를 첨가하여 접착제를 제조하므로서 암모니아수 악취는 제거되면서 접착력은 우수한 접착제를 얻는 것이다.To prepare the adhesive by adding a liquid natural latex containing ammonia water to the mixed solution of aqueous oxalic acid solution and CMC aqueous solution to obtain an adhesive with excellent adhesion while removing the ammonia water odor.

Description

친환경 무공해 접착제{Environment-friendly adhesive}Environment-friendly adhesive {Environment-friendly adhesive}

본 발명은 벽지와 장판용 친환경 무공해 접착제에 관한 것으로서, 특히 천연 액체 라텍스를 이용하되, 제조과정이나 취급과정에서 악취가 전혀 없는 무공해 친환경 접착제를 제공코저하는 것이다.The present invention relates to an eco-friendly pollution-free adhesive for wallpaper and flooring, and in particular to use a natural liquid latex, to provide a pollution-free eco-friendly adhesive with no odor in the manufacturing or handling process.

일반적으로 액상의 천연 라텍스로 접착제를 제조시에는 액체 천연 라텍스내에 수산화암모늄(암모니아수)이 15~20wt%정도 내포하고 있기 때문에 그 암모니아수가 내포된 액체 천연 라텍스로 접착제를 제조하게 되면, 그 암모니아수로 인하여 접착제 제조과정이나 사용 및 저장과정에서 극심한 악취를 풍기게되어 취급이 어려운 결점이 있었다.In general, when manufacturing an adhesive with a liquid natural latex, since the ammonium hydroxide (ammonia water) contains about 15 to 20wt% in the liquid natural latex, when the adhesive is manufactured from the liquid natural latex containing the ammonia water, Extremely bad odors occurred during the manufacture, use and storage of adhesives, making it difficult to handle.

뿐만 아니라 액상 라텍스가 고가인데다가 라텍스만으로는 접착력이 불량하여 벽지나 장판지, 앨범합지등의 접착제 용도로 사용시에는 완전한 접착이 안되므로 작업성이 극히 불량한 단점이 있었다.In addition, since liquid latex is expensive and only latex alone has poor adhesive strength, when it is used for adhesives such as wallpaper, cardboard, album lamination, etc., it is not completely adhered, and thus workability is extremely poor.

따라서 이로 인하여 불량 제품이 양산됨은 물론 제품의 장기 보존도 어렵게되고 제품을 장기 보존시에는 접착면이 모두 박리되어 접착력을 상실하게 되는 결 점도 있었다.Therefore, due to this, not only the defective product is mass-produced, but also long-term storage of the product is difficult, and when the product is stored for a long time, the adhesive surface is peeled off and the adhesive strength is lost.

이와같은 라텍스 접착제의 결점을 해소하기 위하여 하이드록시 프로필 메틸 셀룰로즈를 열탕에 현탁시킨 다음 고온으로 가열하면서 휘발성 유기용재, 소포제 및 암모니아수등을 넣어 벽지용이나 앨범합지용으로 접착제를 제조한 예가 있으나 이 제조공정은 복잡하고 제조공정중이나 취급시에 악취가 너무 심한 결점이 있었다.In order to solve the drawback of such latex adhesive, hydroxy propyl methyl cellulose was suspended in a boiling water and heated to a high temperature, where a volatile organic solvent, an antifoaming agent, and ammonia water were added to prepare an adhesive for wallpaper or album lamination. The process was complex and had the disadvantage of having too bad odors during the manufacturing process or during handling.

본 발명은 상기한 바와같이 종래의 벽지, 장판지 또는 앨범합지등의 용도로 사용되는 라텍스 접착제의 제조, 사용, 저장과정에서 발생되는 심한 악취로 인한 취급상 불편하고 어려운 단점을 해결하고 또한 접착력이 취약하여 불량 제품이 양산되는 것을 예방하기 위한 양질의 그리고 무공해인 친환경적인 접착제를 제공코저하는 것으로서, 특히 암모니아수를 함유한 액체 천연라텍스의 암모니아수로 인한 악취를 제거하기 위한 옥살산(수산;蓚酸)수용액과, 접착력을 보강하기 위한 카복시 메틸 셀룰로즈 수용액을 혼합한 용액을 액체 천연 라텍스와 혼합하여 악취 제거 및 접착력이 증강된 효과를 동시에 얻는 친환경 무공해 접착제를 제공코저하는 것으로서 이를 실례를 들어 상세히 설명하면 다음과 같다.The present invention solves the inconveniences and difficult disadvantages of handling due to the bad odor generated during the manufacture, use, and storage of the latex adhesive used for the conventional wallpaper, sheet paper or album paper as described above, and also weak adhesive strength To provide good quality and pollution-free eco-friendly adhesive to prevent mass production of defective products, and especially to remove odor caused by ammonia water of liquid natural latex containing ammonia water and In order to provide an eco-friendly pollution-free adhesive, which is a solution of carboxy methyl cellulose solution for reinforcing adhesiveness and liquid natural latex, at the same time, the effect of removing odor and enhanced adhesion is provided. same.

옥살산(oxalic acid;蓚酸)(

Figure 112005067496382-pat00001
)의 고형분이 1.8~2.3wt%를 포함하도록 옥살산을 물에 용해하여 옥살산 수용액을 얻고, 카복시 메틸 셀루로즈(CMC)의 고형분이 2.5~3.5wt%를 함유하도록 CMC를 물에 용해하여 CMC수용액을 얻은 다음, 상기 얻어진 CMC수용액에 대하여 상기 얻어진 옥살산 수용액 0.1~0.2wt%를 첨가하여 CMC와 옥살산의 혼합수용액을 얻은 후 상기 혼합수용액 전체 용액에 대하여 액상의 천연 라텍스 9~10wt%를 첨가한 다음 혼련, 교반하여 액상의 접착제를 상온에서 얻는다.Oxalic acid (蓚 酸) (
Figure 112005067496382-pat00001
Dissolve the oxalic acid in water so that the solid content of c) is in the range of 1.8 to 2.3 wt%, and obtain an aqueous solution of oxalic acid, and dissolve the CMC in water so that the solid content of carboxy methyl cellulose (CMC) contains 2.5 to 3.5 wt%. Next, 0.1 to 0.2 wt% of the obtained oxalic acid solution was added to the obtained CMC aqueous solution to obtain a mixed solution of CMC and oxalic acid. Then, 9 to 10 wt% of liquid natural latex was added to the total mixed solution, followed by kneading. And stirring to obtain a liquid adhesive at room temperature.

이와같이 제조된 본 발명 친환경 무공해 접착제는 옥살산 수용액에 내포된 옥살산((COOH)2)과 액상의 천연 라텍스에 내포된 암모니아수(수산화암모늄)(NH4OH)의 다음 반응에 의하여 옥살산암모늄(수산암모늄) [(NH4)2 C2O4.2H2O]이 생성되면서The eco-friendly pollution-free adhesive of the present invention prepared as described above is ammonium oxalate (ammonium hydroxide) by the following reaction of oxalic acid ((COOH) 2 ) contained in oxalic acid solution and ammonia water (ammonium hydroxide) (NH 4 OH) contained in liquid natural latex. [(NH 4 ) 2 C 2 O 4 .2H 2 O] was generated

Figure 112005067496382-pat00002
Figure 112005067496382-pat00002

접착제내에 혼재되어 있게 되므로 암모니아수(수산화 암모늄)에 의한 악취는 완전히 사라지면서 CMC에 의해서는 접착력이 보강되어 액상 라텍스만을 사용할때보다 악취없이 훨씬 양호한 접착력을 띄면서 장기 접착력을 유지하게 된다.Since it is mixed in the adhesive, the odor caused by ammonia water (ammonium hydroxide) disappears completely, and the adhesion is reinforced by the CMC, which maintains long-term adhesion while exhibiting much better adhesion without odor than using liquid latex alone.

상기에서 암모니아수와 옥살산의 반응에 의해 암모니아수의 악취를 제거하기 위해 직접 옥살산수용액에 액상의 천연 라텍스를 첨가하게되면 상기한 반응식과 같은 옥살산 암모늄이 형성되지 않고 층분리가 되므로 반드시 CMC수용액과 옥살산 수용액을 혼합한 후에 그 혼합액에 액상 천연 라텍스를 첨가하여야 한다.When the liquid natural latex is directly added to the aqueous oxalic acid solution to remove the odor of the ammonia water by the reaction of the aqueous ammonia solution and the oxalic acid, the ammonium oxalate solution is not formed as shown in the above reaction, and thus the CMC aqueous solution and the oxalic acid aqueous solution must be After mixing, liquid natural latex should be added to the mixture.

또한 옥살산 수용액에서 옥살산 고형물이 1.8~2.3wt%이하이거나 이상이고 CMC수용액에서 CMC고형물이 2.5~3.5wt%이하이거나 이상일때는 두 수용액이 완전히 혼용이 되지 않고 부유현탁된 상태로 있게 되거나 침전물이 생기게 되므로 반드시 그 용량범위를 첨가해야만 적정한 반응당량이 맞게되어 완전혼용이 이루어지게 된다.In addition, when the oxalic acid solids in the oxalic acid solution is less than or equal to 1.8 ~ 2.3wt% and the CMC solids in the aqueous solution of CMC is less than or equal to 2.5 ~ 3.5wt% or more, the two aqueous solutions are not completely mixed and are suspended or suspended. It is necessary to add the capacity range so that an appropriate reaction equivalent weight is achieved and complete mixing is achieved.

또한 액체 천연 라텍스 역시 3~10wt%이상이거나 이하로 첨가하게되면 완전한 혼용이 안되거나 침전되면서 암모니아수의 악취도 완전 제거되지 않게 되므로 그 첨가량을 지켜야만 되는데 이 역시 상호 반응물질의 당량 때문인 것으로 추정된다.In addition, liquid natural latex is also added to more than 3 ~ 10wt% or less because it is not completely mixed or the odor of the ammonia water is not completely removed as it is precipitated, it is necessary to observe the addition amount, which is also due to the equivalent of the mutual reactants.

[실시례]EXAMPLE

물 1000cc에 옥살산 20g을 첨가하여 옥살산 수용액 약 1010cc를 얻었다.20 g of oxalic acid was added to 1000 cc of water to obtain about 1010 cc of an oxalic acid aqueous solution.

물 160ℓ에 CMC 4.5㎏을 넣고 투명해질때까지 완전 교반, 용해하여 투명한 CMC수용액 약 164.0ℓ를 얻었다.4.5 kg of CMC was added to 160 L of water, followed by complete stirring and dissolution until it became transparent, thereby obtaining about 164.0 L of a transparent CMC aqueous solution.

상기 투명 CMC수용액에 상기 얻어진 옥살산 수용액 200cc를 첨가하고 혼련, 교반하여 혼합수용액 164.1ℓ을 얻고 그 혼합수용액에 액상 천연 라텍스 16㎏을 첨가한 후 교반하여 완전 혼용된 접착제 약 180㎏을 얻었다.200 cc of the obtained oxalic acid solution was added to the transparent CMC aqueous solution, kneaded and stirred to obtain 164.1 L of a mixed aqueous solution, and 16 kg of liquid natural latex was added to the mixed aqueous solution, followed by stirring to obtain about 180 kg of a completely mixed adhesive.

이상과 같은 본 발명 친환경 무공해 접착제는 벽지나 장판지 또는 앨범합지로 사용시 암모니아수의 악취가 나지 않으므로 쾌적한 환경하에서 위생적으로 작업을 할 수 있고 접착력도 우수하여 접착물의 접착력이 영구히 유지되는 효과가 있다.Eco-friendly pollution-free adhesive of the present invention as described above does not smell of ammonia water when used as wallpaper, sheet paper or album paper can be hygienic work in a comfortable environment and excellent adhesive strength has the effect of maintaining the adhesive strength of the adhesive permanently.

Claims (1)

옥살산(oxalic acid;蓚酸)(
Figure 112005067496382-pat00003
)의 고형분이 1.8~2.3wt%를 포함하도록 옥살산을 물에 용해하여 옥살산 수용액을 얻고, 카복시 메틸 셀루로즈(CMC)의 고형분이 2.5~3.5wt%를 함유하도록 CMC를 물에 용해하여 CMC수용액을 얻은 다음, 상기 얻어진 CMC수용액에 대하여 상기 얻어진 옥살산 수용액 0.1~0.2wt%를 첨가하여 CMC와 옥살산의 혼합수용액을 얻은 후 상기 혼합수용액 전체 용액에 대하여 액상의 천연 라텍스 9~10wt%를 첨가한 다음 혼련, 교반하여 액상의 접착제를 상온에서 얻음을 특징으로하는 친환경 무공해 접착제.Oxalic acid (蓚 酸) (
Figure 112005067496382-pat00003
Dissolve the oxalic acid in water so that the solid content of c) is in the range of 1.8 to 2.3 wt%, and obtain an aqueous solution of oxalic acid, and dissolve the CMC in water so that the solid content of carboxy methyl cellulose (CMC) contains 2.5 to 3.5 wt%. Next, 0.1 to 0.2 wt% of the obtained oxalic acid solution was added to the obtained CMC aqueous solution to obtain a mixed solution of CMC and oxalic acid. Then, 9 to 10 wt% of liquid natural latex was added to the total mixed solution, followed by kneading. Eco-friendly adhesive, characterized in that to obtain a liquid adhesive at room temperature by stirring.
KR1020050112203A 2005-11-23 2005-11-23 Environment-friendly adhesive KR100673507B1 (en)

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KR101714506B1 (en) * 2014-06-11 2017-03-09 주식회사 아이디어스 Composition of natural adhesion for natural leather of vehicle and method thereof
KR102190916B1 (en) * 2018-08-31 2020-12-15 씨제이제일제당 주식회사 An adhesive composition, and preparing method thereof
WO2020046058A1 (en) * 2018-08-31 2020-03-05 씨제이제일제당(주) Adhesive composition, and production method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001115122A (en) * 1999-10-18 2001-04-24 Plusto:Kk Biodegradable adhesive
JP2002053830A (en) * 2000-08-08 2002-02-19 Teijin Ltd Adhesive composition for rubber and fiber, and rubber- reinforcing fiber
KR100591515B1 (en) * 2005-01-20 2006-06-21 김도헌 A painting composition for coating wall-paper

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001115122A (en) * 1999-10-18 2001-04-24 Plusto:Kk Biodegradable adhesive
JP2002053830A (en) * 2000-08-08 2002-02-19 Teijin Ltd Adhesive composition for rubber and fiber, and rubber- reinforcing fiber
KR100591515B1 (en) * 2005-01-20 2006-06-21 김도헌 A painting composition for coating wall-paper

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