KR101457391B1 - Casein-free Label Adhesive and Preparation Method Thereof - Google Patents

Casein-free Label Adhesive and Preparation Method Thereof Download PDF

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KR101457391B1
KR101457391B1 KR20130121433A KR20130121433A KR101457391B1 KR 101457391 B1 KR101457391 B1 KR 101457391B1 KR 20130121433 A KR20130121433 A KR 20130121433A KR 20130121433 A KR20130121433 A KR 20130121433A KR 101457391 B1 KR101457391 B1 KR 101457391B1
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adhesive
starch
water
casein
solution
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KR20130121433A
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Korean (ko)
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고한수
고이욱
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제이에스켐 주식회사
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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
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/08—Macromolecular additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L3/00—Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
    • C08L3/02—Starch; Degradation products thereof, e.g. dextrin
    • 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
    • C09J131/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Adhesives based on derivatives of such polymers
    • C09J131/02—Homopolymers or copolymers of esters of monocarboxylic acids
    • C09J131/04—Homopolymers or copolymers of vinyl acetate
    • 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
    • C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
    • C09J133/04—Homopolymers or copolymers of esters
    • C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09J133/08—Homopolymers or copolymers of acrylic acid esters
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/08—Fastening or securing by means not forming part of the material of the label itself
    • G09F3/10—Fastening or securing by means not forming part of the material of the label itself by an adhesive layer

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  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

The present invention relates to a casein-free label adhesive and a preparing method thereof. More specifically, the present invention relates to a method of preparing a casein-free label adhesive, the method being characterized by including the steps of: dispersing and heating starch in purified water to prepare a starch solution; dispersing and mixing a water-resistance-adjusting agent in the starch solution; and mixing a water-soluble polymer adhesive solution with the starch solution mixture, and to a label adhesive prepared thereby. Since the casein-free label adhesive of the present invention is inexpensive compared to a casein-containing adhesive, also has excellent adhesion, and does not use a zinc compound, such as zinc oxide, zinc sulfate or the like, or a zirconium compound added to the casein-containing adhesive, the casein-free label adhesive causes less environmental pollution due to a heavy metal.

Description

카제인을 함유하지 않는 라벨 접착제 및 그 제조방법{Casein-free Label Adhesive and Preparation Method Thereof}Field of the Invention [0001] The present invention relates to a label adhesive containing no casein,

본 발명은 카제인을 함유하지 않는 라벨용 접착제 및 그 제조방법에 관한 것이다. 보다 상세하게는 전분을 정제수에 분산시킨 다음 가온하여 전분액을 제조하는 단계, 상기 전분액에 내수성 조정제를 분산시켜 혼합하는 단계, 상기 혼합액에 수용성 고분자 접착제 용액을 혼합하는 단계로 이루어지는 것을 특징으로 하는 카제인을 함유하지 않는 라벨용 접착제의 제조방법 및 이에 의하여 제조되는 라벨용 접착제에 관한 것이다.The present invention relates to an adhesive for labeling which does not contain casein and a process for producing the same. More particularly, the present invention relates to a method for producing starch, which comprises dispersing starch in purified water and then heating to prepare a starch solution, dispersing and mixing a water resistance modifier in the starch solution, and mixing the solution with a water soluble polymer adhesive solution To a process for producing an adhesive for labeling which does not contain casein and an adhesive for labeling produced thereby.

라벨 용 접착제는 유리병이나 플라스틱 병 등의 용기에 라벨을 부착시킬 때 라벨에 바르는 것으로서, 초기 접착력이 우수하고 저온에서 점도 상승이 적으며 경시적으로 점도 안정성이 있고 내수성과 알칼리수 세병성 및 라벨러 세척성이 우수한 것이라야 한다.The adhesive for labeling is applied to a label when a label is attached to a container such as a glass bottle or a plastic bottle, and has excellent initial adhesion, low viscosity increase at low temperature, viscosity stability with time, water resistance, alkaline water deterioration, Should be excellent.

맥주나 청량 음료 등의 병포장 제품은 냉장고에 보관된 것을 실온 중에 방치하면 병 표면에 결로가 발생하게 되고, 또는 이들 제품을 냉각하기 위하여 냉수에 침지하는 경우가 있다. 이러한 경우에 병에 부착된 라벨이 병에서 떨어지기 쉽다. 따라서 병에 라벨을 붙이기 위하여 사용되는 접착제는 일반적으로 내수성이 있어야 한다. 또한 병을 재사용하기 위하여 공장으로 회수된 빈병은 가온수 중에 침지하여 라벨을 제거한다. 따라서 가온수에 의하여 라벨이 병에서 빨리 떨어지게 하는 성질, 즉, 세병성이 좋아야 한다. 이러한 내수성과 세병성을 가진 접착제로서는 카제인을 기반으로 하는 접착제가 사용되어 왔으며, 이에 관한 종래의 기술로서 한국 공개특허 특1996-0014285호(라벨용 카제인 접착제), 한국 등록특허 제10-0339744호(비닐알콜 유도체계 함수성 접착제), 일본 공개특허 特開平３－２３４７８４호(ジルコニウム含有ラベル接着組成物), 일본 공개특허 特開平５－２３０４３３호(ラベル用接着), 일본 공개특허 特開平９－３０２２３８호(水性樹脂分散物), 일본 특허 등록 제３５３０７７７호(ラベルの接着方法) 등이 개시되어 있다.When bottled products such as beer or soft drinks are stored in a refrigerator at room temperature, condensation may occur on the surface of the bottle or may be immersed in cold water to cool these products. In this case, the label attached to the bottle tends to fall off the bottle. Therefore, adhesives used to label bottles should generally be water resistant. In order to reuse the bottles, the bottles recovered to the factory are immersed in warm water to remove the labels. Therefore, the property of causing the label to fall off from the bottle quickly, that is, the three diseases should be good. As adhesives having such water resistance and three pathologies, casein-based adhesives have been used, and Korean Patent Publication No. 1996-0014285 (casein adhesive for labels), Korean Patent No. 10-0339744 Vinyl alcohol derivative system water-soluble adhesive), JP-A-3-234784 (a labeling adhesive composition containing dicarbonium), JP-A-5-230433 (adhesive for labeling), JP-A-9-302238 (Aqueous resin dispersion) and Japanese Patent Registration No. 3530777 (adhesion method of rubber).

그러나 이러한 카제인 접착제는 초기 접착력이 양호하고 작업성도 상당히 우수하지만 품질의 일관성이 부족하고 원료의 공급이 불안정할 뿐 아니라 겨울철에는 카제인 접착제의 점도가 지나치게 상승하는 등 온도 안정성이 현저히 나쁘고 이의 조절이 쉽지 않기 때문에 생산 효율이 저하될 수 있다. 또한 카제인은 우유를 원료로 하는 천연물이기 때문에 경시적인 점도 안정성이 매우 나쁘고, 고온에서 보관하면 점도가 현저히 저하되기 쉽다. 카제인 접착제는 점도가 온도 조건에 대한 의존성이 높아서 살균한 병과 같은 뜨거운 유리에 라벨을 붙이는 작업에 대한 적합성이 부족하고, 병이나 기타 물품을 재활용하는 작업은 알칼리 수로 세척하여야 하며, 특유의 냄새가 강하고 착색이 심하다. 그리고 비용 면에서도 전분질 재료에 비하여 높을 뿐 아니라 가격 변동 폭이 크다는 문제점이 있다.However, these casein adhesives have good initial adhesion and workability, but they have insufficient quality consistency and unstable supply of raw materials. In addition, since the viscosity of casein adhesives is excessively increased in winter, the temperature stability is remarkably poor and the control thereof is not easy Therefore, the production efficiency may be lowered. Since casein is a natural product made from milk, it has a very poor viscosity stability over time and is likely to significantly decrease viscosity when stored at a high temperature. Since casein adhesives are highly dependent on viscosity and temperature conditions, they are not suitable for labeling hot glass such as sterilized bottles. When recycling bottles or other items, they must be cleaned with alkaline water and have a distinctive odor There is a lot of coloration. In addition, there is a problem in that it is not only higher in cost than the starchy material but also has a large fluctuation in price.

한편, 카제인을 포함하지 않는 접착제에 관한 종래의 기술로서 콩 전분을 주성분으로 하는 일본 특허공표 제２００７－５０７５７３호(ラベル貼付用接着組成物におけるマメ科澱粉の使用)가 있으나 본 발명과는 기술적 구성이 다르다.On the other hand, Japanese Patent Publication No. 2007-507573 (use of starch in the adhesive for adhesive labeling) which contains soybean starch as a main component is known as a conventional technique relating to an adhesive containing no casein, however, Is different.

본 발명의 목적은 카제인을 함유하지 않으면서도 접착력이 우수하고 내수성과 세병성이 양호하며 경시 변화가 적어 점도 안정성이 높은 라벨용 접착제 조성물 및 그 제조방법을 제공하고자 한다.It is an object of the present invention to provide an adhesive composition for labels and a method for producing the same, which is excellent in adhesive strength without casein, good in water resistance and three pathological properties,

본 발명은 카제인을 함유하지 않는 라벨용 접착제 및 그 제조방법에 관한 것으로서, 전분계 접착제 원료에 내수성 조정제와 수용성 고분자 접착제 용액을 혼합하여 제조함으로써 접착력이 우수하고 내수성과 세병성이 양호하며 경시 변화가 적어 점도 안정성이 높은 라벨용 접착제 조성물 및 그 제조방법을 제공할 수 있다.The present invention relates to an adhesive for labeling which does not contain casein and a process for producing the same, and it relates to an adhesive for labels and a method for producing the same, which is produced by mixing a starch based adhesive raw material with a water resistance adjusting agent and a water soluble polymer adhesive solution, An adhesive composition for labels having a high viscosity stability and a process for producing the same.

본 발명은 카제인을 함유하지 않은 라벨용 접착제 및 그 제조방법에 관한 것으로서, 카제인을 함유하는 접착제에 첨가되는 산화 아연, 황산 아연 등의 아연 화합물이나 지르코늄 화합물을 사용하지 않으므로 중금속에 의한 환경오염이 적고, 가격이 저렴하면서도 접착력이 우수한 라벨용 접착제를 제조할 수 있는 효과가 있다.The present invention relates to an adhesive for labeling which does not contain casein and a method for producing the same, and is characterized in that it does not use a zinc compound or a zirconium compound such as zinc oxide or zinc sulfate added to an adhesive containing casein, It is possible to produce an adhesive for labels having a low price and excellent adhesive strength.

도 1은 본 발명의 제조공정도이다.1 is a manufacturing process diagram of the present invention.

본 발명은 카제인을 함유하지 않는 라벨용 접착제 및 그 제조방법에 관한 것이다. 보다 상세하게는 전분을 정제수에 분산시킨 다음 가온하여 전분액을 제조하는 단계, 상기 전분액에 내수성 조정제를 분산시켜 혼합하는 단계, 상기 혼합액에 수용성 고분자 접착제 용액을 혼합하는 단계로 이루어진다. 상기에서 전분은 옥수수 전분, 감자 전분, 타피오카 전분 중 선택된 어느 하나 이상을 사용할 수 있다. 정제수 100중량부에 전분 30~40중량부를 투입하고 80~90℃로 가온하여 전분액을 제조한다. 상기 전분액에 내수성 조정제로서 송진, 젤라틴, 아카시아 검 중 선택된 어느 하나 이상을 첨가하여 혼합할 수 있다. 내수성 조정제는 정제수 100중량부에 대하여 10중량부 이하를 투입할 수 있다. 상기 혼합액에 수용성 고분자 접착제 용액을 혼합하여 카제인을 함유하지 않는 라벨용 접착제를 제조한다. 상기 수용성 고분자 접착제 용액은 정제수 100중량부에 대하여 60~65중량부를 투입할 수 있다. 수용성 고분자 접착제 용액은 유리 전이온도(Tg)가 10oC 이상인 vinyl acetate-acrylic acid ester copolymer 1중량부를 polyvinyl alcohol 5중량부와 polyoxyethylene nonyl phenol ether 1중량부에 용해한 것이다. 이하 본 발명의 내용을 실시예 및 시험예를 통하여 구체적으로 설명한다. 그러나, 이들은 본 발명을 보다 상세하게 설명하기 위한 것으로 본 발명의 권리범위가 이들에 의해 한정되는 것은 아니다.
The present invention relates to an adhesive for labeling which does not contain casein and a process for producing the same. More particularly, the method comprises dispersing starch in purified water and then heating to prepare a starch solution, dispersing and mixing a water resistance modifier in the starch solution, and mixing the solution with a water soluble polymer adhesive solution. The starch may be at least one selected from corn starch, potato starch, and tapioca starch. 30 to 40 parts by weight of starch is added to 100 parts by weight of purified water and heated to 80 to 90 캜 to prepare a starch solution. One or more selected from the group consisting of rosin, gelatin and acacia gum may be added to the starch solution as a water resistance adjusting agent. The water resistance modifier may be added in an amount of 10 parts by weight or less based on 100 parts by weight of purified water. A water soluble polymer adhesive solution is mixed with the mixed solution to prepare an adhesive for labeling which does not contain casein. The water-soluble polymeric adhesive solution may be added in an amount of 60 to 65 parts by weight based on 100 parts by weight of purified water. The water-soluble polymer adhesive solution was prepared by dissolving 1 part by weight of a vinyl acetate-acrylic acid ester copolymer having a glass transition temperature (Tg) of 10 ° C or higher in 5 parts by weight of polyvinyl alcohol and 1 part by weight of polyoxyethylene nonyl phenol ether. Hereinafter, the present invention will be described in detail with reference to Examples and Test Examples. However, these are for the purpose of illustrating the present invention in more detail, and the scope of the present invention is not limited thereto.

<실시예 1 - 5>&Lt; Example 1-5 >

정제수에 전분을 투입하고 80℃로 가온하여 전분액을 제조하였다. 상기 전분액에 내수성 조정제를 첨가한 다음 수용성 고분자 접착제 용액을 혼합하여 카제인을 함유하지 않는 라벨용 접착제를 제조하였다. 라벨용 접착제의 배합비는 표 1과 같다.
Starch was added to purified water and heated to 80 ° C to prepare a starch solution. A water resistance modifier was added to the starch solution, and then a water soluble polymer adhesive solution was mixed to prepare an adhesive for labeling that did not contain casein. The blending ratio of the adhesive for labeling is shown in Table 1.

라벨용 접착제의 배합비(중량부)Mixing ratio of adhesive for label (parts by weight) 구분division 실시예 1Example 1 실시예 2Example 2 실시예 3Example 3 실시예 4Example 4 실시예 5Example 5 정제수Purified water 100100 100100 100100 100100 100100 전분Starch 옥수수corn 55 77 1010 1515 -- 감자potato 2525 2323 2121 1919 2222 타피오카tapioca 55 55 44 1One 1313 내수성 조정제Water resistance adjusting agent 젤라틴gelatin 1One -- 1One 1One 22 아라비아 검Arabian sword 0.50.5 -- 0.50.5 -- 0.50.5 송진Song Jin 1One 22 1One 1One 1One 고분자 접착제 용액Polymer adhesive solution 62.562.5 63.063.0 62.562.5 63.063.0 61.561.5

<시험예 1> 초기 접착력 시험&Lt; Test Example 1 > Initial adhesive strength test

라벨에 접착제를 바 코터에 약 30g/m2가 되도록 도포하고 즉시 유리판에 접착한 후 고무 롤러로 가볍게 압착하였다. 각 시험구마다 5개의 시료를 만들었으며, 라벨을 박리할 때 라벨이 찢어지는 때까지의 경과시간을 측정하여 라벨이 찢어지는 시간이 3 분 이내의 것을 5점, 3 ~ 4분을 4점, 4 ~ 5 분을 3점, 5 ~ 6분을 2점, 6분 이상을 1점으로 하여 평가하고 평균을 구하여 표 2에 나타내었다. 대조구는 카제인을 함유한 라벨용 접착제(정수화학 하이탓치 900A)이다.
The adhesive was applied to the label to a thickness of about 30 g / m &lt; 2 &gt; on a bar coater, immediately adhered to the glass plate, and lightly pressed with a rubber roller. Five samples were made for each test area. When the label was peeled off, the elapsed time until the label was torn was measured. It was 5 points that the label tearing time was less than 3 minutes, 4 points for 3-4 minutes, 3 to 4 to 5 minutes, 2 to 5 to 6 minutes, and 1 point to 6 minutes or more were evaluated, and their average values were shown in Table 2. The control was a labeling adhesive containing casein (HYTATACHI 900A for water purification).

라벨용 접착제의 초기 접착력 시험 결과Initial adhesion test result of adhesive for label 구분division 실시예 1Example 1 실시예 2Example 2 실시예 3Example 3 실시예 4Example 4 실시예 5Example 5 대조구Control 결과result 4.64.6 4.84.8 4.84.8 4.84.8 4.64.6 4.64.6

상기 표 2에 나타난 바와 같이 실시예 1 ~ 5의 초기 접착력이 4.6 ~ 4.8로서 대조구의 4.6과 대등한 것으로 나타났다.
As shown in Table 2, the initial adhesive strength of Examples 1 to 5 was 4.6 to 4.8, which was equivalent to 4.6 of the control.

<시험예 2> 내수성 시험&Lt; Test Example 2 & Water resistance test

라벨에 접착제를 바 코터(bar coater)를 사용하여 약 30g/m 2 가 되도록 도포하고 유리병에 접착한 다음 고무 롤러로 가볍게 압착하여 23 ℃에서 3 일간 건조하여 내수성 시험용 병을 각각 5개씩을 만들었다. 30℃의 물에 내수성 시험용 병을 7일간 침지하여 라벨의 박리 상태를 확인하였다. 라벨이 침지 7일 후에도 떨어지지 않고 손으로 라벨을 떼어낼 때 라벨이 찢어지는 것을 5점, 침지 7일 후에도 떨어지지는 않지만 손으로 라벨을 떼어낼 때 박리되는 것을 4점, 침지 5~6일에 떨어지는 것을 3점, 침지 3~4일에 떨어지는 것을 2점, 침지 2일 이내에 떨어지는 것을 1점으로 하여 평가하고 평균을 구하여 표 3에 나타내었다. 대조구는 카제인을 함유한 라벨용 접착제(정수화학 하이탓치 900A)이다.
The adhesive was applied to the label to a density of about 30 g / m 2 using a bar coater, adhered to the glass bottle, lightly pressed with a rubber roller, and dried at 23 ° C. for 3 days to prepare five water resistance bottles . The bottle for water resistance test was immersed in water at 30 占 폚 for 7 days to confirm the peeling state of the label. 5 points for label tearing when the label is peeled off after 7 days of immersion, 4 points for peeling off when the label is peeled off after 7 days of immersion, , 3 points for falling, 3 points for falling to 3-4 days, 2 points for falling, and 1 point for falling within 2 days of immersion, and averaged. The control was a labeling adhesive containing casein (HYTATACHI 900A for water purification).

라벨용 접착제의 내수성 시험 결과Water resistance test result of adhesive for label 구분division 실시예 1Example 1 실시예 2Example 2 실시예 3Example 3 실시예 4Example 4 실시예 5Example 5 대조구Control 결과result 4.64.6 4.64.6 4.84.8 4.6 4.6 4.84.8 4.24.2

상기 표 3과 같이 실시예 1 ~ 5의 내수성이 4.8로서 대조구의 4.2에 비하여 우수한 것으로 나타났다.
As shown in Table 3, the water resistance of Examples 1 to 5 was 4.8, which was superior to that of the control.

<시험예 4> 알칼리수 세병성 시험&Lt; Test Example 4 >

시험예 2와 같이 제작한 시험용 병을 60℃의 3% NaOH 수용액에 침지하고 시험용 병을 흔들어 라벨이 벗겨지는 시간을 측정하였다. 라벨이 시험용 병에서 침지 3분 이내에 떨어지는 것을 5점, 침지 3 ~ 5분 내에 떨어지는 것을 4점, 침지 5 ~ 7분 내에 떨어지는 것을 3점, 침지 7 ~ 9분 내에 떨어지는 것을 2점, 침지 9분 이상에서 떨어지는 것을 1점으로 하여 평가하고 평균을 구하여 표 4에 나타내었다. 대조구는 카제인을 함유한 라벨용 접착제(정수화학 하이탓치 900A)이다.
The test bottle prepared as in Test Example 2 was immersed in a 3% aqueous solution of NaOH at 60 DEG C and the test bottle was shaken to measure the time for peeling the label. 5 points for dropping the label within 3 minutes of immersion in the test bottle, 4 points for falling within 3 to 5 minutes for immersion, 3 points for falling within 5 to 7 minutes for immersion, 2 points for falling within 7 to 9 minutes for immersion, And the average value is shown in Table 4. The control was a labeling adhesive containing casein (HYTATACHI 900A for water purification).

라벨용 접착제의 알칼리수 세병성 시험 결과Results of alkaline water three test of adhesive for label 구분division 실시예 1Example 1 실시예 2Example 2 실시예 3Example 3 실시예 4Example 4 실시예 5Example 5 대조구Control 결과result 5.05.0 4.84.8 5.05.0 4.84.8 5.0 5.0 4.44.4

상기 표 4와 같이 실시예 1 ~ 5의 알칼리수 세병성이 4.8 ~ 5.0으로서 대조구의 4.4에 비하여 우수한 것으로 나타났다.As shown in Table 4, the alkaline water infectivity of Examples 1 to 5 was 4.8 to 5.0, which was superior to that of the control.

본 발명은 카제인을 함유하지 않은 라벨용 접착제 조성물은 카제인을 함유하는 접착제에 비하여 가격이 저렴하면서도 접착력이 우수하고 카제인을 함유하는 접착제에 첨가되는 산화 아연, 황산 아연 등의 아연 화합물이나 지르코늄 화합물을 사용하지 않으므로 중금속에 의한 환경오염이 적으므로 산업상 이용가능성이 있다.INDUSTRIAL APPLICABILITY The adhesive composition for labeling which does not contain casein according to the present invention uses a zinc compound or a zirconium compound such as zinc oxide or zinc sulfate added to an adhesive containing casein at a lower cost than a casein- Since there is little environmental pollution caused by heavy metals, there is possibility of industrial use.

Claims (9)

전분을 정제수에 분산시킨 다음 80~90℃로 가온하여 전분액을 제조하는 단계, 상기 전분액에 내수성 조정제를 분산시켜 혼합하는 단계, 상기 혼합액에 수용성 고분자 접착제 용액을 혼합하는 단계로 이루어지는 것을 특징으로 하는 카제인을 함유하지 않는 라벨용 접착제의 제조방법Dispersing starch in purified water and heating the mixture to 80 to 90 ° C to prepare a starch solution, dispersing and mixing a water resistance modifier in the starch solution, and mixing the solution with a water soluble polymer adhesive solution Of adhesive for labeling which does not contain casein 제 1항에 있어서, 전분계 접착제의 원료는 옥수수 전분, 감자 전분, 타피오카 전분 중 선택된 어느 하나 이상인 것을 특징으로 하는 카제인을 함유하지 않는 라벨용 접착제의 제조방법The process according to claim 1, wherein the raw material for the starch-based adhesive is at least one selected from corn starch, potato starch, and tapioca starch. 제 1항에 있어서, 내수성 조정제는 송진, 젤라틴, 아카시아 검 중 선택된 어느 하나 이상인 것을 특징으로 하는 카제인을 함유하지 않는 라벨용 접착제의 제조방법The process according to claim 1, wherein the water resistance modifier is at least one selected from the group consisting of rosin, gelatin and acacia gum. 제 1항에 있어서, 수용성 고분자 접착제 용액은 vinyl acetate-acrylic acid ester copolymer를 polyvinyl alcohol과 polyoxyethylene nonyl phenol ether에 용해한 것을 특징으로 하는 카제인을 함유하지 않는 라벨용 접착제의 제조방법The process according to claim 1, wherein the water-soluble polymeric adhesive solution is prepared by dissolving a vinyl acetate-acrylic acid ester copolymer in polyvinyl alcohol and polyoxyethylene nonyl phenol ether. 제 2항에 있어서 전분계 접착제의 원료는 정제수 100중량부에 대하여 30~40중량부를 투입하는 것을 특징으로 하는 카제인을 함유하지 않는 라벨용 접착제의 제조방법The process according to claim 2, wherein 30 to 40 parts by weight of the raw material of the starch-based adhesive is added to 100 parts by weight of purified water. 제 3항에 있어서 내수성 조정제는 정제수 100중량부에 대하여 10중량부 이하를 투입하는 것을 특징으로 하는 카제인을 함유하지 않는 라벨용 접착제의 제조방법The process according to claim 3, wherein 10 parts by weight or less of the water-resistance-adjusting agent is added to 100 parts by weight of purified water. 제 4항에 있어서, vinyl acetate-acrylic acid ester copolymer의 유리 전이온도(Tg)가 10oC 이상인 것을 특징으로 하는 카제인을 함유하지 않는 라벨용 접착제의 제조방법The process according to claim 4, wherein the vinyl acetate-acrylic acid ester copolymer has a glass transition temperature (Tg) of 10 ° C or higher. 제 4항에 있어서 수용성 고분자 접착제 용액은 정제수 100중량부에 대하여 60~65중량부를 투입하는 것을 특징으로 하는 카제인을 함유하지 않는 라벨용 접착제의 제조방법The process according to claim 4, wherein 60 to 65 parts by weight of the water-soluble polymeric adhesive solution is added to 100 parts by weight of purified water. 제 1항 내지 제 5항 중 어느 한 항의 방법으로 제조된 카제인을 함유하지 않는 라벨용 접착제
An adhesive for labels which does not contain casein and which is prepared by the method of any one of claims 1 to 5
KR20130121433A 2013-10-11 2013-10-11 Casein-free Label Adhesive and Preparation Method Thereof KR101457391B1 (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004029707A (en) 2001-12-21 2004-01-29 Eastman Kodak Co Photograph label and method for making the same
KR20120055557A (en) * 2009-08-14 2012-05-31 헨켈 아게 운트 코. 카게아아 Waterborne adhesive with improved wet adhesion
US20120289628A1 (en) 2010-01-19 2012-11-15 Corrutech adhesive composition

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004029707A (en) 2001-12-21 2004-01-29 Eastman Kodak Co Photograph label and method for making the same
KR20120055557A (en) * 2009-08-14 2012-05-31 헨켈 아게 운트 코. 카게아아 Waterborne adhesive with improved wet adhesion
US20120289628A1 (en) 2010-01-19 2012-11-15 Corrutech adhesive composition

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