• Title/Summary/Keyword: Adhesive property

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The Changes of Appearance Formability of Hanji Blended Fabrics after Fusing (한지사 혼용 직물의 접착심 접착 후 외관 형성능의 변화)

  • Jee, Ju-Won
    • Human Ecology Research
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    • v.59 no.1
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    • pp.13-21
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    • 2021
  • In order to examine the changes in the appearance properties and the post-adhesion appearance properties of Hanji yarn blended fabrics : 100% Hanji yarn fabric, two kinds of cotton / Hanji yarn blended fabrics and 100% cotton fabric, were selected and fused with three kinds of interlinings. After fusing, changes of standardized KES values were examined. 1. W/T, B/W of Hanji yarn blended fabrics was higher than that cotton fabric. WC/W, 2HB/W, 2HB/B, and 2HG/G values of Hanji yarn blended fabrics are lower than cotton fabric. This means that the Hanji yarn was mixed, shape retention, wrinkle recovery was improved, and the drape property was lowered. 2. After fusing, W/T, shape retention, wrinkle recovery of Hanji yarn blended fabrics increased, and WC/W values of Hanji yarn blended fabrics decreased. The wrinkle recovery property of Hanji yarn blended fabrics were improved; however, the 2HG/G value of Hanji yarn fabric increased due to fusing, and the wrinkle recovery property of Hanji yarn fabric decreased. 3. In the selection of adhesive core, I1 adhesive core is excellent in terms of shape stability and wrinkle recovery; however, an I3 adhesive core is recommended for drape and silhouette formation. When the fabric of the adhesive core was PET, it was found to penetrate better between the fabrics during adhesion than the case of cotton fabrics.

Performance Evaluation for the Application of Roof Green Box Unit System Combined with Engineering P.E.Waterproof and Root Penetration Sheet (엔지니어링 PE방수.방근시트가 결합된 박스 유닛형 옥상 녹화 시스템 적용을 위한 성능평가)

  • Oh, Chang-Won;Hong, Jong-Chul;Park, Ki-Bong
    • Journal of the Korea Institute of Building Construction
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    • v.16 no.2
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    • pp.125-131
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    • 2016
  • According to the increment of urban buildings, the demand of eco-environment space will be also increased. Therefore, the artificial ground green system on a roof will be supplied gradually. In this study, the concept of simplification, unification and prefabrication was widely applied to supply green system. Consequently, the box unit system with a continuous soil layer was developed, and adhesive property, wind resistance and insulation property of this system were evaluated for site application. As a results of adhesive property and wind resistance test, comparing with design wind pressure and wind velocity, this system was safe at the height of 100m building located in urban. In addition, results of temperature measurement for 120 days showed 17% higher insulation property at daytime and 45% higher insulation property at night than normal box unit system owing to continuous soil layer.

Changes of Mechanical Properties of Wool Fabrics with Fusible Interlinings (모직물의 접착심지 접착에 의한 물성 변화)

  • 지주완;유효주
    • Journal of the Korean Society of Clothing and Textiles
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    • v.19 no.4
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    • pp.671-683
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    • 1995
  • This paper described the changes of mechanical KES values after fusing 4 different (in weave & density) wool face fabrics with 3 different (in weave & extensibility) fusible interlining. The fusing condition was 15$0^{\circ}C$, 4kg.f/cm2 The results of the study were as follows: (1) After fusing, KES mechanical value of B, 2HB, G, 2HGS, WC increased, where as LT, WT werent't changed so much and EM, RT decreased. It means after fusing extensibility and recovery property were decreased and volume and stiffness were increased. (2) Within the limits of this investigation, tensile property seemed to be more influenced by the characteristics of face fabrics, and bending property nil by the effect of adhesive penetration and shear and compression property did by complex of the characteristics of face fabrics and interlining and the effect of adhesive penetration.

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A Study on the Physical Properties of Polyurethane Resin Blended With Liquid Rubber (액상(液狀)고무를 Blend한 Polyurethane 수지(樹脂)의 특성(物性)에 관(關)한 연구(硏究))

  • Park, Seong-Ho;Choi, Sei-Young
    • Elastomers and Composites
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    • v.29 no.3
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    • pp.226-233
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    • 1994
  • The properties of the mixed prepolymer-urethane in the range of 10-40 phr were observed. LBR and LCR have same functional group but different in structure of molecular. The viscosity of mixture depending on content of rubber, adhesive strength, thermal property and compatibility with a diluted solvent are as follows: 1. The viscosity of the mixture was influenced by solubility of the diluent for urethane resin and liquid rubber. 2. Adhesive strength showed the highest value at 30phr rubber, decreased gradually at above 30phr rubber. And LBR revealed better physical property than that of LCR. 3. The most effective factors affecting adhesive strength are molecular structure of rubber, the type of solvent, and volatility. 4. Urethane resin containing LBR showed better compatibility for solvent and faster drying velocity. 5. LBR showed more favorable compatibility and dispersion state than those of LCR by analyzing the results of SEM.

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The effect of adhesive property on microtensile bond strength of human dentin

  • Kim, Hyoun-Jin;Hur, Bock
    • Proceedings of the KACD Conference
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    • 2003.11a
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    • pp.609-609
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    • 2003
  • I. Objectives The purpose of this study was to evaluate the effect of adhesive property on microtensile bond strength and to determine the failure mode. II. Materials and Methods Flat occlusal dentin surfaces were prepared using low-speed diamond saw. The dentin was etched with 37% phosphoric acid. The following adhesives were applied to the etched dentin according to manufacturer's directions;Scotchbond Multi-Purpose in group 1, Primer&Bond NT in group 2, Scotchbond Multi-Purpose followed by Tetric-flow in group 3. After adhesive application, a cylinder of resin-based composite was built up the occlusal surface.(omitted)

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Transdermal Delivery of Estradiol and Norethindrone Acetate: Effect of Vehicles and Pressure Sensitive Adhesive Matrix

  • Chun, Myung-Kwan;Choi, Hoo-Kyun
    • Journal of Pharmaceutical Investigation
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    • v.35 no.3
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    • pp.173-177
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    • 2005
  • Addition of 30% propylene glycol was required to maintain sink condition in the evaluation of percutaneous absorption of estradiol and norethindrone acetate. The permeability of estradiol was higher in silicone and SIS adhesives. However, estradiol was crystallized in silicone, SIS, and SBS adhesive matrix. The permeability ratio of estradiol or norethindrone acetate from acrylic pressure sensitive adhesives varied widely depending on the functional group of the acrylic adhesives. PEO grafting to acrylic adhesive seemed to change physicochemical property of acrylic adhesive and increased the permeability of estradiol and norethindrone acetate significantly. On the contrary, highly cross-linked enhancer compatible acrylic adhesive decreased the permeability of both estradiol and norethindrone acetate. $Span^{\circledR}$ 20 provided the highest enhancing effect on the permeability of both estradiol and norethindrone acetate followed by oleic acid and $Crovol^{\circledR}$ EP40. The permeability of the drugs from the developed system was comparable to that from commercial $Combitran^{\circledR}$, although significantly lower amount of estradiol and norethindrone acetate were loaded in the developed system.

Investigation on Adhesive Properties depending on the Environmental Variation of the Steel Plate Adhesive Strengthening Method by the Epoxy Resin (에폭시 수지 접착 강판보강공법의 환경 변화에 따른 부착 특성 검토)

  • Han, Cheon-Goo;Byun, Hang-Yong;Park, Yong-Kyu
    • Journal of the Korea Institute of Building Construction
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    • v.7 no.3
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    • pp.107-113
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    • 2007
  • This study is to investigate adhesive properties depending on the temperature, humidity, and freeze-thraw of the Steel plate adhesive strengthening method by the epoxy resin. The results are summarized as following. For the temperature variation, the debonding failure appear only after 1 cycle of temperature varoation because the coefficient of thermal expansion of the epoxy resin is comparatively large, and the bonding strength is decreased. The deformation properties and ultrasonic pulse velocity on each materials are similar until 4 cycles on the dry and moisture test. As the freeze-thraw test, the epoxy resin is degraded easily subjected to freeze-thaw cycle, comparatively easy, so the debonding failure may occur in short term because of the freeze-thaw repeatition.p

A Study on the Quality Characteristics of Leather Shoe Adhesives(I) -Ladies' Leather-shoe- (구두용 접착제의 품질 특성에 관한 연구(I) -여성 가죽구두-)

  • 서교택;이상신
    • Journal of Korean Society of Industrial and Systems Engineering
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    • v.23 no.54
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    • pp.137-144
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    • 2000
  • The chloroprene adhesive for ladies' shoe-making applied by the cementing method in KS G 3116 has been evaluated.. For the quality test of adhesive for pump whole cut vamp using chloroprene adhesive, general property and adhesion strength were measured and duration for environmental exposure was tested. Also, a list of experiments for field application was prepared. In case of adhesion-strength measurement,, the KS G 3116 method of peel strength at end of toe was found to be reasonable by measurement through a whole length, toe to heel seat on feather edge.

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Studies on Dismantlement Property of Dismantlable Polyurethane Adhesive (우레탄계 해체성 접착제의 해체특성에 관한 연구)

  • Kim, Dong Ho;Chung, Ildoo;Kim, Gu Ni
    • Journal of Adhesion and Interface
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    • v.11 no.1
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    • pp.26-34
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    • 2010
  • We synthesized polyurethane adhesive having thermal characteristic could be debonded by heat treatment and made a dismantlable polyurethane adhesive including thermally expansive bead. We used dynamic mechanical thermal analyzer (DMA) to confirm thermal characteristic and investigated bond strength, dismantlement property of dismantlable polyurethane adhesive by content of thermally expansive bead, heating trigger and treatment conditions. The dismantlable polyurethane adhesive could be expanded by hot-air or microwave treatment and the dismantlement of the specimens became easier as the weight fraction of the thermally expansive bead increased. At the dismantlable polyurethane adhesive, the content of thermally expansive bead 40% was suitable for both bond strength and dismantlement, in case of using hot-air treatment as trigger for dismantlement, bonded joints were separated easily at $160^{\circ}C$ for 30 min and in case of using microwave as trigger, bonded joints were separated easily by irradiating microwave for 4 min.