Hot-melt pressure-sensitive adhesive for seamless bonding of nylon fabric Part II: Process parameter optimization for seamless bonding of nylon fabric

2018 ◽  
Vol 89 (12) ◽  
pp. 2294-2304 ◽  
Author(s):  
Chung-Feng Jeffrey Kuo ◽  
Wei Lun Lan ◽  
Jui-Wen Wang ◽  
John-Ber Chen ◽  
Pin-Hua Lin
Keyword(s):  
Shear Strength ◽  
Phosphine Oxide ◽  
Color Difference ◽  
Peel Strength ◽  
Functional Monomer ◽  
Pressure Sensitive Adhesive ◽  
Pressure Sensitive Adhesives ◽  
Pressure Sensitive ◽  
Nylon Fabric ◽  
Hot Melt

This study develops hot melt pressure sensitive adhesives (HMPSAs) for the seamless bonding of nylon fabric, using butyl acrylate as the main monomer material and mixing the functional monomer for polymerization. It is combined with 2-10phr diphenyl (2,4,6-trimethylbenzoyl) phosphine oxide for the photoinitiator and ultraviolet irradiation is used to make a pre-polymer. The effects of butyl acrylate content, type of functional monomer, and 2-10phr diphenyl (2,4,6-trimethylbenzoyl) phosphine oxide content on the molecular weight of acrylate pre-polymer are discussed, following the Taguchi method. The pre-polymer is then mixed with the reactive diluent glycidyl methacrylate blend and with 2-10phr diphenyl (2,4,6-trimethylbenzoyl) phosphine oxide, coated on a release film, irradiated by ultraviolet light, and cured into hot melt pressure sensitive adhesives. The adhesive properties of hot melt pressure sensitive adhesive bonding on nylon include the peel strength, the shear strength, adhesive warpage, adhesive color difference, and adhesive overflow, which are discussed following the Taguchi method and the elimination and choice translating reality method for multi-quality analysis. Hot melt pressure sensitive adhesives are implemented by optimization parameters for practical validation. The results show that the peel strength of hot melt pressure sensitive adhesives is 1.495 kg/cm, the shear strength of hot melt pressure sensitive adhesives is 14.326 kg/cm2, adhesive warpage is 0.93 mm, adhesive color difference is 1.66, and adhesive overflow is 0.97 mm. The performance of HMPSAs in this study is enhanced effective.

Hot-melt pressure-sensitive adhesive for seamless bonding of nylon fabric part I: effect of a functional monomer

2018 ◽  
Vol 89 (6) ◽  
pp. 926-935 ◽  
Author(s):  
Chung-Feng Jeffrey Kuo ◽  
Jiong-Bo Chen ◽  
Pin-Hua Lin ◽  
Hui-Ting Yen
Keyword(s):  
Carboxylic Acid ◽  
Gel Permeation Chromatography ◽  
Peel Strength ◽  
Bulk Polymerization ◽  
Polymerization Process ◽  
Functional Monomer ◽  
Pressure Sensitive Adhesive ◽  
Pressure Sensitive ◽  
Hot Melt ◽  
Adhesive Performance

This study synthesized a series of prepolymers from butyl acrylate and functional monomer with various side-chain structures. A bulk polymerization process was then applied under ultraviolet irradiation. The molecular structure of the prepolymer was characterized by Fourier transform infrared spectroscopy and gel permeation chromatography. The degradation temperature and glass transition temperature ( Tg) were examined. The prepolymer was employed to the acrylic hot-melt pressure-sensitive adhesives (HMPSAs) and the corresponding adhesive performance was presented. In this study, glycidyl methacrylate was considered to be an effective cross-linking agent for acrylic HMPSAs containing carboxylic acid groups. The prepolymer containing carboxylic acid synthesized acrylic HMPSAs exhibited high adhesion in peel strength and shear strength compared to the hydroxyethyl group. The adhesive performance of HMPSAs in different environments was also investigated.

Effect of Hybrid Tackifiers on Viscosity, Peel Strength and Shear Resistance of Natural Rubber and Epoxidized Natural Rubber-Based Pressure Sensitive Adhesives

2015 ◽  
Vol 754-755 ◽  
pp. 49-53 ◽  
Author(s):  
Luqman Musa ◽  
Syed Zhafer Firdaus ◽  
Kamarudin Hussin ◽  
Poh Beng Teik
Keyword(s):  
Shear Strength ◽  
Natural Rubber ◽  
Shear Resistance ◽  
Peel Strength ◽  
Epoxidized Natural Rubber ◽  
Pressure Sensitive Adhesives ◽  
Pressure Sensitive ◽  
Maximum Value ◽  
Gum Rosin ◽  
Peel Tests

Natural rubber (SMR L grade), epoxidized natural rubber (ENR) 25 and 50 were loaded with hybrid tackifiers consisting of a mixture of coumarone-indene and gum rosin. The coumarone-indene was fixed at 40 parts per hundred of rubber (phr) while the concentration of gum rosin was varied from 20 to 80 phr. The viscosity, peel and shear strength of the adhesives prepared from the elastomers was studied. Results show that peel strength exhibits a maximum value at 60 phr gum rosin for SMR L-based adhesive while for ENR 25 and ENR 50 based adhesives a maximum value is observed at 40 phr gum rosin which was attributed to the occurrence of optimum wettability and compatibility at this tackifier loading. Meanwhile, viscosity and shear strength decreases with increasing gum rosin concentration. SMR L-based adhesive consistently exhibits higher viscosity and shear strength whereas ENR 25-based adhesive steadily shows higher value for all modes of peel tests.

scholarly journals Water-borne pressure-sensitive adhesives acrylics modified using amorphous silica nanoparticles

2016 ◽  
Vol 18 (4) ◽  
pp. 124-128 ◽  
Author(s):  
Zbigniew Czech ◽  
Zbigniew Maciejewski ◽  
Krystyna Kondratowicz-Maciejewska
Keyword(s):  
Shear Strength ◽  
Silica Nanoparticles ◽  
Amorphous Silica ◽  
Pressure Sensitive Adhesive ◽  
Pressure Sensitive Adhesives ◽  
Pressure Sensitive ◽  
Counter Ion ◽  
Peel Adhesion ◽  
Medical Materials ◽  
Water Borne

Abstract The application of water-borne pressure-sensitive adhesives (PSA) based on acrylics is increasing in a variety of industrial areas. The have been used for manufacturing of double sided and carrier free mounting tapes, splicing tapes, marking and sign films, self-adhesive labels, packaging tapes, protective films and diverse high quality medical materials. Nano-sized inorganic fillers can modify diverse adhesive and self-adhesive coating properties such as tack, peel adhesion, shear strength at 20°C and 70°C, and removability Amorphous synthetic silica nanoparticles in form of water dispersions: Ludox PX-30 (30 wt.% silica stabilizing with counter ion sodium), Ludox PT-40 (40 wt.% silica stabilizing with counter ion sodium), Ludox PT-40AS (40 wt.% silica stabilizing with counter ion ammonium), and Ludox PW-50 (50 wt.% silica stabilizing with counter ion sodium) (from Grace) in concentrations between 1 and 5wt.% were used for modifying of water-born pressure-sensitive adhesive acrylics: Acronal 052, Acronal CR 516 (both BASF) and Plextol D273 (Synthomer) properties. It has been found in this study that the nano-technologically reinforced system containing of Acronal 052 and amorphous silica Ludox PX-30 showed a great enhancement in tack, peel adhesion and shear strength. In this paper we evaluate the performance of Acronal 052 modified with amorphous silica Ludox PX-30.

Preparation and Properties of CF/CNTs/NanoG Filled Polyacrylate Electrically Conductive Pressure-Sensitive Adhesives

2014 ◽  
Vol 960-961 ◽  
pp. 113-117
Author(s):  
Huan Ma ◽  
Shu Hua Qi ◽  
Fan Zhang ◽  
Zheng He
Keyword(s):  
Shear Strength ◽  
Synergistic Effects ◽  
Peel Strength ◽  
Conductive Adhesives ◽  
Electrically Conductive ◽  
Electrically Conductive Adhesives ◽  
Pressure Sensitive Adhesives ◽  
Comprehensive Properties ◽  
Pressure Sensitive

With the ‘Synergistic Effects’ such as ‘Bridging’ and ‘Intercalating’ between fillers with different morphologies, we can get the CF/CNTs/NanoG filled polyacrylate electrically conductive adhesives (ECA). Through the study, we found that the comprehensive properties of the electrically conductive PSA reach the best when the composite fillers are made up of CF 3wt%、NanoG 5wt% and CNTs 5wt%. The conductivity of the electrically conductive PSA reaches 3.0×10-2 S/cm, the 180o peel strength is 0.38KN/m and the shear strength is 0.42MPa.

scholarly journals Novel Photoreactive Pressure-Sensitive Adhesives (PSA) Based on Acrylics Containing Additionable Photoinitiators

Materials ◽  
2020 ◽  
Vol 13 (22) ◽  
pp. 5151
Author(s):  
Zbigniew Czech ◽  
Janina Kabatc ◽  
Marcin Bartkowiak ◽  
Adam Licbarski ◽  
Karolina Mozelewska ◽  
...  
Keyword(s):  
Shear Strength ◽  
Polymer Chain ◽  
Uv Light ◽  
Pressure Sensitive Adhesive ◽  
Acrylic Polymer ◽  
Pressure Sensitive Adhesives ◽  
Uv Crosslinking ◽  
Pressure Sensitive ◽  
Peel Adhesion ◽  
Uv Dose

A new class of additionable ultraviolet photoinitiators that can be used, through addition, for modification of the acrylic polymer chain and their influence of main properties of acrylic pressure-sensitive adhesives (PSAs) is described here. The photoinitiators studied are based on benzophenone, dibenzofuran and anthraquinone chromophores. The propyleneimine carbonyl is the reactive additionable group incorporated in the photoinitiator structure. First, the solvent-borne acrylic pressure-sensitive adhesive was synthesized and characterized. Then, a photoinitiator suitable for addition to the acrylic polymer chain possessing a carboxyl group was added before UV-irradiation. A mechanism of UV-initiated cross-linking reaction of acrylic PSA with additionable photoinitiators was done as well. The influence of the concentration and type of photoinitiator, UV-crosslinking time and UV-dose on peel adhesion, shear strength and tack of solvent-borne acrylic pressure-sensitive adhesives cross-linked by UV light was studied and presented here. It was found that the tack depends on the UV-dose and photoinitiator concentration. An increase of UV dose results in an increase of shear strength of acrylic pressure-sensitive adhesive (PSA) formulations.

scholarly journals Adhesion Properties of Acrylonitrile-Butadiene Rubber/Standard Malaysian Rubber Blend Based Pressure-Sensitive Adhesive

2014 ◽  
Vol 2014 ◽  
pp. 1-6 ◽  
Author(s):  
B. T. Poh ◽  
J. Lamaming ◽  
G. S. Tay
Keyword(s):  
Shear Strength ◽  
Peel Strength ◽  
Coated Sample ◽  
Butadiene Rubber ◽  
Pressure Sensitive Adhesive ◽  
Adhesion Properties ◽  
Pressure Sensitive ◽  
Poly Ethylene ◽  
Pet Film ◽  
Peel Tests

Viscosity and adhesion properties of NBR/SMR L blend based pressure-sensitive adhesive were investigated using coumarone-indene resin, toluene, and poly(ethylene terephthalate) (PET) as tackifier, solvent, and coating substrate, respectively. Coumarone-indene resin content was fixed at 40 parts per hundred parts of rubber (phr) in the adhesive formulation. The ratio of NBR/SMR L blend used was 0, 20, 40, 60, 80, and 100% of NBR content. Four different thicknesses, that is, 30, 60, 90, and 120 µm, were used to coat the PET film. The viscosity of adhesive was determined by a Brookfield viscometer, whereas loop tack, peel strength, and shear strength were measured using a Lloyd Adhesion Tester operating at 30 cm/min. Result indicates that the viscosity, loop tack, and shear strength of blend adhesives increase with % NBR. However, for peel strength, it indicates a maximum at 40% NBR blend ratio for the three modes of peel tests. In all cases, 120 µm coated sample consistently exhibits the highest adhesion values compared to the other coating thicknesses, an observation which is associated with the higher volume of adhesive in the former system.

scholarly journals UV-Crosslinkable Photoreactive Pressure-Sensitive Adhesives Synthesized from Butyl Acrylate and 4-Acryloyloxy Benzophenone

2013 ◽  
Vol 8 ◽  
pp. 21-28 ◽  
Author(s):  
Zbigniew Czech ◽  
Dominika Sowa ◽  
Jagoda Kowalska
Keyword(s):  
Shear Strength ◽  
Molecular Mass ◽  
Butyl Acrylate ◽  
Cohesive Strength ◽  
Pressure Sensitive Adhesive ◽  
Adhesive Properties ◽  
Pressure Sensitive Adhesives ◽  
Uv Crosslinking ◽  
Pressure Sensitive ◽  
Peel Adhesion

The manuscript describes synthesized of photoreactive UV-crosslinkable solvent-borne acrylic pressure-sensitive adhesives (PSA) based on butyl acrylate (BA) and copolymerizable photoinitiator 4-acryloyloxy benzophenone (ABP) characterized by molecular mass in the range of 180 000 to 480 000 Dalton. These copolymers were tacky but possessed insufficient cohesive strength after UV-crosslinking to be useful as PSA. They resulted in materials having a balance of cohesive and adhesive characteristics required of good PSA. Some of the parameters affecting the pressure-sensitive adhesive properties of the copolymer are: amount of the 4-acryloyloxy benzophenone, molecular mass of the polymeric components, UV-reactivity and such important properties like tack, peel adhesion and shear strength.

Passivation of pressure sensitive adhesive stickies by addition of acrylic fibers to OCC pulp before papermaking

TAPPI Journal ◽  
2016 ◽  
Vol 15 (10) ◽  
pp. 631-639
Author(s):  
MOHAMMAD HADI ARYAIE MONFARED ◽  
HOSSEIN RESALATI ◽  
ALI GHASEMIAN ◽  
MARTIN A. HUBBE
Keyword(s):  
Adverse Effects ◽  
Control Sample ◽  
Pressure Sensitive Adhesive ◽  
Acrylic Fiber ◽  
Burst Strength ◽  
Pressure Sensitive Adhesives ◽  
Pressure Sensitive ◽  
Tear Index ◽  
Breaking Length ◽  
Acrylic Fibers

This study investigated the addition of acrylic fiber to old corrugated container (OCC) pulp as a possible means of overcoming adverse effects of water-based pressure sensitive adhesives during manufacture of paper or paperboard. Such adhesives can constitute a main source of stickies, which hurt the efficiency of the papermaking process and make tacky spots in the product. The highest amount of acrylic fiber added to recycled pulps generally resulted in a 77% reduction in accepted pulp microstickies. The addition of acrylic fibers also increased pulp freeness, tear index, burst strength, and breaking length, though there was a reduction in screen yield. Hence, in addition to controlling the adverse effects of stickies, the addition of acrylic fibers resulted in the improvement of the mechanical properties of paper compared with a control sample.

scholarly journals Synthesis of photoreactive solvent-free acrylic pressure-sensitive adhesives in the recovered system

2007 ◽  
Vol 9 (2) ◽  
pp. 5-9 ◽  
Author(s):  
Roland Milker ◽  
Zbigniew Czech ◽  
Marta Wesołowska
Keyword(s):  
Organic Solvent ◽  
Solvent Free ◽  
The Novel ◽  
Pressure Sensitive Adhesive ◽  
Adhesive Film ◽  
Pressure Sensitive Adhesives ◽  
Pressure Sensitive ◽  
Wide Range ◽  
Protective Films ◽  
New Type

Synthesis of photoreactive solvent-free acrylic pressure-sensitive adhesives in the recovered system The present paper discloses a novel photoreactive solvent-free acrylic pressure-sensitive adhesive (PSA) systems, especially suitable for the so much adhesive film applications as the double-sided, single-sided or carrier-free technical tapes, self-adhesive labels, protective films, marking and sign films and wide range of medical products. The novel photoreactive solvent-free pressure-sensitive adhesives contain no volatile organic compounds (residue monomers or organic solvent) and comply with the environment and legislation. The synthesis of this new type of acrylic PSA is conducted in common practice by solvent polymerisation. After the organic solvent are removed, there remains a non-volatile, solvent-free highly viscous material, which can be processed on a hot-melt coating machine at the temperatures of about 100 to 140°C.

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