KR20010056718A - Adhesive tack test method - Google Patents

Adhesive tack test method Download PDF

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Publication number
KR20010056718A
KR20010056718A KR1019990058303A KR19990058303A KR20010056718A KR 20010056718 A KR20010056718 A KR 20010056718A KR 1019990058303 A KR1019990058303 A KR 1019990058303A KR 19990058303 A KR19990058303 A KR 19990058303A KR 20010056718 A KR20010056718 A KR 20010056718A
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South Korea
Prior art keywords
adhesive
pet film
tester
substrate
predetermined
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KR1019990058303A
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Korean (ko)
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안평수
이경준
조형근
김태성
이덕훈
최창희
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권문구
엘지전선 주식회사
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Priority to KR1019990058303A priority Critical patent/KR20010056718A/en
Publication of KR20010056718A publication Critical patent/KR20010056718A/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N19/00—Investigating materials by mechanical methods
    • G01N19/04—Measuring adhesive force between materials, e.g. of sealing tape, of coating
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/32—Polishing; Etching
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/36—Embedding or analogous mounting of samples
    • G01N2001/364—Embedding or analogous mounting of samples using resins, epoxy
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/40—Concentrating samples
    • G01N1/4055—Concentrating samples by solubility techniques
    • G01N2001/4061—Solvent extraction

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

PURPOSE: A method for testing tack of an adhesive is provided to directly tack by using a tension tester and a Peel tester measuring adhesive strength between a substrate and a film attached on the substrate. CONSTITUTION: A method for testing tack of an adhesive(120) includes the steps of manufacturing solution to be used as the adhesive, coating the adhesive solution on a PET film and removing a solvent at fixed temperature, cutting the coated PET film and preparing a polished substrate to measure tack, positioning the coated PET film on stainless steel to adhere predetermined area of the PET film, putting a flat material having regular weight on the stainless steel/coated PET film, putting a buffer material under the stainless steel to put a measurement piece on a tension tester, performing programing to press the tension tester at regular pressure for a predetermined period, operating the tension tester at regular pressure for a predetermined period and mounting the pressed sample to a Peel tester, and measuring peel by using load cell within a measurement range and a plotter.

Description

접착제의 접착력 시험 방법{Adhesive tack test method}Adhesive test method of adhesives {Adhesive tack test method}

본 발명은 압력에 민감한 접착제의 접착력 시험 방법에 관한 것이다.The present invention relates to a method for testing adhesion of pressure sensitive adhesives.

도 1 은 종래의 볼트 구조도로서, 지지기(Backing)(10), 지지기를 접착시키는 접착제(Adhesive)(20), 접착제에 부착되어 상기 지지기 양쪽에 부착된 가중기(Weight)(30), 측정점이나 진단부위에 접촉하여 그곳으로부터 파형이나 압력을 감지하는 소형의 장치인 상기 양 가중기 사이에 위치한 탐촉자(Probe)(40), 상기 압력이나 파형을 전달하는 운반자(Carrier)(50) 및 상기 압력을 계측하는 압력계(Gage)(60)로 이루어져 있다.1 is a conventional bolt structure diagram, a backing 10, an adhesive 20 for adhering the support, a weight 30 attached to both sides of the support, A probe 40 located between the two weighters, a compact device that contacts a measuring point or diagnostic part and senses a waveform or pressure therefrom, a carrier 50 that delivers the pressure or waveform, and the It consists of a pressure gauge (Gage) 60 which measures a pressure.

종래 접착제(Adhesive)의 접착력 시험(tack test) 방법은 크게 두 가지로 나누어진다.Conventional adhesive test (tack test) of the adhesive (tack test) method is largely divided into two.

첫 번째는 “롤링 볼 접착력 시험(Rolling ball tack test)방법”이고, 두 번째는 “탐촉자 접착력 시험(Probe tack test)방법”이다.The first is the "rolling ball tack test method" and the second is the "probe tack test method".

우선 상기 기존의 두 가지 방법을 간단히 설명하면 다음과 같다.First, the two conventional methods are briefly described as follows.

상기 롤링 볼 접착력 시험(Rolling ball tack test)방법은 현재 가장 널리 오래 전에 알려진 것인데, 1940년대에 the Bauer and Black Company에서 의료용 테입의 접착력(Tack)을 측정하기 위하여 고안한 것이다.The rolling ball tack test method is currently the most widely known, and was designed by the Bauer and Black Company to measure the adhesive tape of medical tapes in the 1940s.

지름 12.5㎜의 스테인레스볼을 30도 각도로 기울어진 면에서 아래방향으로 흐르게 하여 움직인 거리를 측정하여 상대적인 접착력을 측정한 것이다.The relative adhesive force was measured by measuring the distance traveled by flowing a stainless ball with a diameter of 12.5mm downward at an angle of 30 degrees.

즉, 상기 롤링 볼 접착력 시험 방법은 일정한 각도로 흐르는 볼의 지나간 거리, 즉 길이를 측정하여 상대적인 필(Peel)의 값을 비교하는 것이다.That is, the rolling ball adhesion test method is to compare the relative peel value by measuring the distance, ie the length of the ball flowing at a constant angle.

두 번째로 탐촉자 접착력 시험은 접착면위에 접착력 시험용(Tack test) 탐촉자(Probe)를 일정시간 가압한 후 탐촉자를 박리시키는 힘을 하중 셀(Load cell)로 측정하는 방법이다.Second, the adhesion test of the probe is a method of measuring the force of peeling the probe with a load cell after pressing the probe for a test for a certain time on the adhesive surface.

다시말해서, 탐촉자 접착력 시험 방법은 단위면적에 일정한 압력을 가한 후에 떨어지는 접착력(Tack) 값, 즉 힘/면적을 측정하는 것이다.In other words, the method of testing the adhesion of the transducer is to measure the value of the tack, ie force / area, dropped after applying a constant pressure to the unit area.

하지만 상기 기존의 롤링 볼 접착력 시험 방법은 접착력(Tack)을 재는 방법으로는 가장 간단하게 잴 수 있는 장점이 있으나, 접착력(tack)을 볼이 흐른 거리를 측정하여 간접적으로 측정하게 되어 정확한 정량화가 안 되는 문제점이 있다.However, the conventional rolling ball adhesion test method has the advantage that can be measured simply by the method of measuring the adhesive force (Tack), but indirect measurement by measuring the distance the ball flows (tack) indirectly not quantified There is a problem.

또한, 상기 탐촉자 접착력 시험(Probe tack test)방법은, 접착제(Adhesive)의 접착력을 정확히 측정할 수는 있으나 이 방법으로 측정을 하기 위해서는 장비를 새로 사야 하는 불편한 문제가 있다.In addition, the probe tack test (Probe tack test) method, it is possible to accurately measure the adhesion of the adhesive (Adhesive), but there is an uncomfortable problem of having to buy a new equipment to measure in this way.

상기 문제를 해결하기 위해 본 발명은, 인장시험기와 기판 상에 붙인 막과 기판사이의 부착강도를 측정하는 필 시험기(Peel test)를 이용하여 직접적으로 접착력(tack)을 측정하는 것을 목적으로 한다.In order to solve the above problem, an object of the present invention is to measure the adhesive force (tack) directly by using a peel test to measure the adhesion strength between the tensile tester and the film attached to the substrate and the substrate.

상기 목적을 달성하기 위해 본 발명은, 압축이 가능한 인정시험기를 사용하여 접착제(adhesive) 위를 위치에 관계없이 일정한 압력으로 소정시간 가압하는 제 1 단계, 상기 접착제를 기어를 이용해 기판과 일정 각도로 떨어질 수 있도록 설계하여 접착력을 측정하는 제 2 단계를 포함하는 것을 특징으로 한다.In order to achieve the above object, the present invention, using a compression tester capable of compressing the first step of pressing the adhesive (adhesive) at a predetermined pressure regardless of the position for a predetermined time, the adhesive at a predetermined angle with the substrate using a gear It characterized in that it comprises a second step of measuring the adhesive force designed to fall.

도 1 은 종래의 볼트 구조도,1 is a conventional bolt structure diagram,

도 2 는 본 발명이 적용되는 인장시험기에서의 접착 구조도,2 is an adhesive structure diagram in a tensile tester to which the present invention is applied,

도 3 은 본 발명에 따른 인장시험기 구조도.3 is a structural diagram of a tensile tester according to the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

100 : 인장 시험기 110 : 스테인레스 스틸100: tensile tester 110: stainless steel

120 : 접착제 130 : PET 필름120: adhesive 130: PET film

200 : 필 시험기200: Peel Tester

이하 첨부된 도면을 참조하여 본 발명을 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

도 2 는 본 발명이 적용되는 인장시험기에서의 접착 구조도로서, 압축이 가능한 시험기이다.2 is an adhesive structure diagram in a tensile tester to which the present invention is applied and is a tester capable of compression.

상기 인장시험기(100)는 접착제(Adhesive) 위를 위치에 관계없이 일정한 압력으로 일정시간 누를 수 있도록 설계되어 있는데, 상기 접착제(120)를 측정하려는 물질(Stainless steel)(110)위에 위치시켜 놓은 다음 이것을 인장시험기(100)를 이용하여 일정시간 일정압력으로 가압한다.The tensile tester 100 is designed to be pressed for a predetermined time at a constant pressure regardless of the position on the adhesive (Adhesive), the adhesive 120 is placed on the material (Stainless steel) 110 to be measured This is pressurized using a tensile tester 100 at a constant pressure for a predetermined time.

도 3 은 본 발명에 따른 인장시험기 구조도로서, 상기 도 2의 인장시험기를 통해 일정시간 일정압력으로 가압한 후 이것을 필 시험기(Peel test)에 고정시켜 90도 각도로 필(Peel)을 측정하여 접착제의 접착력을 측정하는 것이다.FIG. 3 is a structural diagram of a tensile tester according to the present invention. After pressing the pressure tester for a predetermined time through the tensile tester of FIG. 2, the pressure tester fixes the peeler at a 90 degree angle by fixing it to a peel test. It is to measure the adhesive force of.

즉, 상기 필 시험기(Peel test)는 접착력을 측정하기 위하여 기판과 접착제(adhesive)가 90도 각도를 가지고 떨어질 수 있도록 기어를 이용한 설계가 되어 있다.That is, the peel test is designed using a gear so that the substrate and the adhesive may fall off at an angle of 90 degrees in order to measure the adhesion.

또한 상기 접착제는 이형처리되어 있지 않은 PET 필름(film)(130)에 코팅이 되어 있어 접착력 시험(Tack test) 도중에 PET Film에서 떨어지지 않도록 하였다.In addition, the adhesive is coated on a PET film (130) that is not released, so that it does not fall off from the PET film during a tack test.

상기와 같이 구성된 인장시험기의 작동 과정을 살펴보면 다음과 같다.Looking at the operation of the tensile tester configured as described above are as follows.

먼저, 접착제(Adhesive)(120)로 쓰일 용액을 제조하고, 상기 접착제 용액을 상기 PET 필름(130)에 코팅을 하고 일정 온도에서 용매를 제거하며, 코팅된 PET 필름(130)을 10×1㎝의 크기로 자른 후 접착력을 측정하기 위한 기판(여기서는 스테인레스 스틸(Stainless steel))(110)을 편평한 면을 만들기 위하여 정해진 순서에 의하여 폴리싱(Polishing)을 행하여 기판을 준비한다.First, to prepare a solution to be used as an adhesive (Adhesive) 120, the adhesive solution is coated on the PET film 130, the solvent is removed at a constant temperature, the coated PET film 130 is 10 × 1 cm After cutting to the size of the substrate to measure the adhesive force (here stainless steel (Stainless steel) 110) to prepare a substrate (Polishing) in a predetermined order to make a flat surface.

폴리싱 가공하여 준비된 스테인레스 스틸(Stainless steel)(110)에 코팅된 PET 필름(130)을 1×3㎝의 면적이 접착되도록 위치시키고, 스테인레스 스틸/코팅된PET 필름(110/130) 위에 다시 일정무게의 편평한 물질을 올려놓는다.The PET film 130 coated on the stainless steel 110 prepared by polishing is placed so that an area of 1 × 3 cm is bonded, and the weight is again fixed on the stainless steel / coated PET film 110/130. Put a flat substance on.

상기 과정에 따라 준비된 측정시편을 인장시험기 위에 올려놓는데, 이때 스테인레스 스틸(110)의 밑부분에 완충제를 놓는다.The test specimen prepared according to the above procedure is placed on a tensile tester, in which a buffer is placed at the bottom of the stainless steel 110.

다음으로 상기 인장시험기(100)를 1㎏/㎠의 압력을 1초 동안 가압할 수 있도록 프로그래밍을 하며, 인장시험기(100)를 작동시켜 1㎏/㎠의 압력으로 1초 동안 가압한 후 가압한 샘플을 필 시험기(Peel test)(200)에 장착시키고, 측정 범위내의 하중 셀(Load cell)과 컴퓨터 작도장치(Plotter)를 준비한 후 필(Peel)을 측정한다.Next, the tension tester 100 is programmed to pressurize 1 kg / cm 2 for 1 second, and the pressure tester 100 is operated to pressurize for 1 second at a pressure of 1 kg / cm 2 and then pressurized. The sample is mounted on a Peel test machine (200), and a Peel is measured after preparing a Load cell and a Plotter within the measurement range.

상술한 바와 같이 본 발명은 접착력 시험(Tack test) 방법으로 인장시험기와 필(Peel) 시험기를 이용함으로써, 직접적으로 접착력(tack)을 측정할 수 있는 효과를 갖는다.As described above, the present invention has an effect of directly measuring tack by using a tensile tester and a peel tester in a tack test method.

Claims (5)

압축이 가능한 인장시험기를 사용하여 접착제(adhesive) 위를 위치에 관계없이 일정한 압력으로 소정시간 가압하는 제 1 단계와;A first step of pressurizing the adhesive on the adhesive at a constant pressure regardless of position using a compressible tensile tester; 상기 접착제를 기어를 이용해 기판과 일정 각도로 떨어질 수 있도록 설계하여 접착력을 측정하는 제 2 단계를 포함하는 것을 특징으로 하는 접착제의 접착력 시험 방법.And a second step of measuring the adhesive strength by designing the adhesive to be separated from the substrate at a predetermined angle by using a gear. 제 1 항에 있어서, 상기 제 1 단계는The method of claim 1, wherein the first step 상기 접착제는 이형처리되어 있지 않은 PET 필름에 코팅되어 접착력 시험 도중 PET 필름에 떨어지지 않도록 한 것을 특징으로 하는 접착제의 접착력 시험 방법.The adhesive is coated on a PET film that is not released, the adhesive test method of the adhesive, characterized in that it does not fall on the PET film during the adhesion test. 제 1 항에 있어서, 상기 제 1 단계는The method of claim 1, wherein the first step 접착제로 쓰일 용액을 제조하는 제 1 부단계와;A first substep of preparing a solution to be used as an adhesive; 상기 접착제 용액을 PET 필름에 코팅을 하고 일정 온도에서 용매를 제거하는 제 2 부단계와;Coating the adhesive solution on a PET film and removing the solvent at a predetermined temperature; 코팅된 PET 필름을 일정 크기로 자른 후 접착력을 측정하기 위한 기판을 편평한 만들기 위해 정해진 폴리싱을 수행하여 기판을 준비하는 제 3 부단계와;A third substep of cutting the coated PET film into a predetermined size and then performing a predetermined polishing to prepare the substrate for flattening the substrate for measuring adhesive force; 폴리싱 기판 준비 후 스테인레스 스틸에 코팅된 PET 필름을 소정 면적이 접착되도록 위치시키는 제 4 부단계와;A fourth sub-step of positioning the PET film coated on the stainless steel so as to adhere a predetermined area after preparing the polishing substrate; 상기 스테인레스 스틸/코팅된 PET 필름 위에 일정 무게의 편평한 물질을 올려놓는 제 5 부단계와;A fifth substep of placing a flat weight of a certain weight on the stainless steel / coated PET film; 상기 수행 과정에 따른 준비된 측정시편을 인장시험기 위에 올려놓기 위해 상기 스테인레스 스틸의 밑부분에 완충제를 놓는 제 6 부단계로 이루어진 것을 특징으로 하는 접착제의 접착력 시험 방법.And a sixth substep of placing a buffer at the bottom of the stainless steel in order to place the prepared test specimen on the tensile tester. 제 1 항에 있어서, 상기 제 2 단계는The method of claim 1, wherein the second step 상기 인장시험기를 일정 압력으로 소정 시간동안 가압할 수 있도록 프로그래밍을 수행하는 제 1 부단계와;A first substep of performing programming to pressurize the tensile tester at a predetermined pressure for a predetermined time; 상기 인장시험기를 작동시켜 일정 압력으로 소정시간 동안 가압한 후 가압한 샘플을 필 시험기에 장착시키는 제 2 부단계; 및A second sub-step of operating the tensile tester and pressing the sample at a predetermined pressure for a predetermined time and then mounting the pressurized sample to the peel tester; And 측정 범위내의 하중 셀과 컴퓨터 작도장치를 사용하여 상기 필 시험기의 필을 측정하는 제 3 부단계로 이루어진 것을 특징으로 하는 접착제의 접착력 시험 방법.And a third sub-step of measuring the pill of the pill tester using a load cell and a computer drawing device within the measurement range. 제 1 항에 있어서,The method of claim 1, 접착력 측정을 위해 인장시험기와 필 시험기를 이용함으로써 직접적으로 접착력을 측정할 수 있는 것을 특징으로 하는 접착제의 접착력 시험 방법.Adhesion test method of the adhesive, characterized in that the adhesive force can be measured directly by using a tensile tester and a peel tester to measure the adhesion.
KR1019990058303A 1999-12-16 1999-12-16 Adhesive tack test method KR20010056718A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02154136A (en) * 1988-12-05 1990-06-13 Murata Mfg Co Ltd Method and device for measuring peeling force of adhesive tape
JPH0427842A (en) * 1990-05-23 1992-01-30 Kanebo Nsc Ltd Adhesive strength tester for hot melt adhesive

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02154136A (en) * 1988-12-05 1990-06-13 Murata Mfg Co Ltd Method and device for measuring peeling force of adhesive tape
JPH0427842A (en) * 1990-05-23 1992-01-30 Kanebo Nsc Ltd Adhesive strength tester for hot melt adhesive

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