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AbstractAbstract
[en] Radiation curable composition suitable for use as an adhesive for bonding glass, especially for the production of clear glass laminates, and comprising a urethane acrylate component in an αβ-ethylenically unsaturated diluent which comprises (i) acrylic acid, (ii) a monoester of acrylic acid and a C16 alkanol or substituted derivative thereof said monoester being present in an amount of up to 400% by weight of component (i), and optionally (iii) up to 40% by weight of a multiacrylate
Primary Subject
Source
6 Jun 1984; 5 Nov 1982; 43 p; ZA PATENT DOCUMENT 83/7764/A/; GB PRIORITY 8231737; Available from Patents Office, Private Bag X400, Pretoria, 0001; Priority date: 5 Nov 1982
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Patent
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AbstractAbstract
[en] A solvent-free composition based on epoxyacrylate oligomer dissolved in the monomeric ester of acrylic or methacrylic acid, in a mixture with acrylic acid is curable by radiation and chemical polymerization, by irradiation with accelerated electrons or gamma radiation at a dose of 40 to 150 k.kg-1. Th polymerization rate depends on reaction conditions, especially o the initiation system, flow rate, composition of the material. I can be affected by the presence of metals of variable valency. The highest acceleration effect was found for the 2,2'-dipyridyl complex of cobalt or manganese octoate or the 2,2'-dipyridyl complex of tin, chromium, cobalt or manganese chloride. Addition in an amount of 0.01 to 3.00 wt.% of metal ion related to the amount of the oligomer, reduces the radiation dose 3 to 4 times. (B.S.)
Original Title
Urychlovace radiacni polymerace epoxiakrylatu
Source
15 Mar 1989; 1 Jul 1986; 4 p; CS PATENT DOCUMENT 255295/B1/; CS PATENT APPLICATION PV 4956-86.H; Application date: 1 Jul 1986
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Patent
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AbstractAbstract
[en] With the integration and development of materials engineering, applied mechanics, automatic control and bionics, light cured composite has become one of the most favourite research topics in the field of materials and engineering at home and abroad. In the UV curing system, the prepolymer and the reactive diluent form the backbone of the cured material together. And they account for more than 90% of the total mass. The basic properties of the cured product are mainly determined by the prepolymer. A low viscosity epoxy acrylate photosensitive prepolymer with a viscosity of 6800 mPa • s (25 °C ) was obtained by esterification of 5 hours with bisphenol A epoxy resin with high epoxy value and low viscosity. (paper)
Primary Subject
Source
NMCI2017: 2. International Conference on New Material and Chemical Industry; Sanya (China); 18-20 Nov 2017; Available from http://dx.doi.org/10.1088/1757-899X/292/1/012108; Country of input: International Atomic Energy Agency (IAEA)
Record Type
Journal Article
Literature Type
Conference
Journal
IOP Conference Series. Materials Science and Engineering (Online); ISSN 1757-899X;
; v. 292(1); [7 p.]

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AbstractAbstract
No abstract available
Source
Australian Inst. of Nuclear Science and Engineering, Lucas Heights; 76 p; 1986; p. 37; 13. AINSE radiation chemistry conference; Lucas Heights (Australia); 12-14 Nov 1986; Published in summary form only.
Record Type
Miscellaneous
Literature Type
Conference
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Morandi, G.; Pioge, S.; Pascual, S.; Montembault, V.; Legoupy, S.; Fontaine, L., E-mail: laurent.fontaine@univ-lemans.fr2009
AbstractAbstract
[en] Well-defined graft copolymers were synthesized through the combination of two highly controlled polymerizations, ATRP (Atom Transfer Radical Polymerization) and ROMP (Ring-Opening Metathesis Polymerization). Synthesis of α-cyclobutenyl polystyrene-b-poly(tert-butyl acrylate) macromonomers was first performed by ATRP from an original initiator. ROMP of these macromonomers using Grubb's generation II catalyst ((IMesH2)(Cy3P)RuCl2(CHPh)) has allowed to synthesize well-defined graft copolymers with a polybutadiene backbone and polystyrene-b-poly(tert-butylacrylate) grafts. α-Cyclobutenyl polystyrene-b-poly(acrylic acid) macromonomers were prepared by acidolysis. An amphiphilic water-soluble α-cyclobutenyl polystyrene-b-poly(acrylic acid) macromonomer has been successfully employed as stabilizer in emulsion polymerization of styrene
Primary Subject
Source
FBPOL2008: 2. French-Brazilian-polymer conference; Florianopolis (Brazil); 20-25 Apr 2008; S0928-4931(08)00166-5; Available from http://dx.doi.org/10.1016/j.msec.2008.07.027; Copyright (c) 2008 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA)
Record Type
Journal Article
Literature Type
Conference
Journal
Materials Science and Engineering. C, Biomimetic Materials, Sensors and Systems; ISSN 0928-4931;
; v. 29(2); p. 367-371

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AbstractAbstract
[en] The preparation is described of highly cross-linked material by radiation polymerization of reactive solvent-free composition containing 50 to 55 parts of the adduct of epoxy resin of a mean molecular weight of 340 to 450 g.mol-1 with acrylic or methacrylic acid in a molar ratio of 1:1.4 to 1:1.6; 25 to 30 parts of C2-C8 esters of acrylic or methacrylic acid; and 20 t 25 parts of acrylic or methacrylic acid. Radiation polymerizatio is brought about by the action of accelerated electron flux or b gamma radiation at a dose of 80 to 150 kJ.kg-1. The viscosity of the uncured composition is maximally 1,000 mPa.s/25 degC. The material shows sufficient storage life at room temperature, good wettability for coated surfaces, outstanding flow and low toxicity. The material can be used for producing protective coatings, laminates and castings showing high chemical resistanc and adhesion to all common materials. (B.S.)
Original Title
Hmota pripravitelna radiacni polymeraci reaktivni bezrozpoustedlove kompozice
Source
15 Nov 1988; 1 Jul 1986; 3 p; CS PATENT DOCUMENT 255200/B1/; CS PATENT APPLICATION PV 4957-86.J; Application date: 1 Jul 1986
Record Type
Patent
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AbstractAbstract
[en] Acrylated epoxidised palm olein (AEPO) was synthesised from epoxidised palm olein (EPOo), acrylic acid, hydroquinone and AMC-2® catalyst. Optimisation of the synthesis in terms of the reaction parameters was performed using so-called response surface methodology (RSM). The reaction parameters selected as independent variables were percentage of catalyst; molar ratio between EPOo and acrylic acid; reaction temperature and reaction time. The percentage conversion of epoxy ring to acrylate group was designated as the dependent response. The central composite rotatable design (CCRD) at five coded levels with four factors was used. The quadratic model was used to analyse the experimental data obtained. The quadratic model was significant at a 95 % confidence level with Prob>F of less than 0.0001; the regression coefficient value, R"2 was 0.9561 and lack-of-fit of 0.0646 as obtained by using analysis of variance (ANOVA). A percentage of AMC-2® catalyst of 1.0 %; molar ratio between EPOo and acrylic acid of 1.0:1.2, reaction temperature of 120 degree Celsius, and reaction time of 135 min were established as the optimum parameters in order to convert EPOo to AEPO at mild reaction conditions. The reaction temperature and the time for the acrylation reaction were substantially reduced to 75 % with the incorporation of AMC-2® catalyst compared to the acrylation reaction in the absence of cat lyst. The results also proved that RSM can be employed efficiently for the optimisation of the synthesis of AEPO catalysed by AMC-2® , as the percentage of conversion AEPO obtained with the optimum conditions was 99.26 % ad quate according to the predicted value by the software. The optimum reaction parameter can be used to scale up the acryl tion reaction of EPOo to AEPO (author)
Primary Subject
Source
Available from http://jopr.mpob.gov.my/; 3 tab. 5 figs.
Record Type
Journal Article
Journal
Journal of Oil Palm Research; ISSN 1511-2780;
; v. 27(4); p. 366-376

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Friedlander, C.B.; McMullen, J.C.
PPG Industries, Inc., Pittsburgh, PA (USA)1979
PPG Industries, Inc., Pittsburgh, PA (USA)1979
AbstractAbstract
[en] Radiation curable compounds are disclosed which are derived from the reaction of a siloxy-containing carbinol, a polyisocyanate and polyfunctional compound having hydroxy and acrylic functional groups. The compounds have high cure rates, are compatible with other components of radiation curable, film forming compositions and impart good slip and other properties to cured film coatings. (author)
Source
20 Jun 1979; 12 p; GB PATENT DOCUMENT 2009770/A/
Record Type
Patent
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Feng, Yefeng; Hu, Jianbing; Peng, Cheng; Wang, Fupeng; Huang, Qi; Xu, Zhichao, E-mail: feng_ye_feng@126.com, E-mail: hjb2008@163.com, E-mail: 18146713208@163.com, E-mail: huangq@jxnu.edu.cn, E-mail: xu-zhichao@163.com, E-mail: peng_cheng_123_456@163.com2018
AbstractAbstract
[en] Ultraviolet (UV) cured adhesives have attracted wide attention and investigation in the fields of health care and electronic components due to their quick curing rate, low energy consumption and solvent pollution. At present, the adhesive systems bearing epoxy acrylate components have prevailed in the field of electronic industry packaging. These systems show some advantages such as low cost, high reliability, excellent mechanical traits and fine solvent resistance. However, the affecting factors of the noumenal esterification reaction to synthesize epoxy acrylate prepolymers have hardly been reported. In order to clarify the affecting factors, in this work, the key pre-polymer components in application of UV cured adhesives were designed and further prepared based on noumenal esterification between epoxy resin and acrylic acid. Three kinds of varied epoxy resins were employed to prepare desired epoxy acrylate pre-polymers. Impacts of reaction temperature, epoxy resin type, catalyst content, catalyst class and raw material feed ratio on noumenal esterification reaction were deeply studied. Some valuable conclusions were achieved. This work might open the door to the large-scale synthesis of promising epoxy acrylate pre-polymers to construct high-performance UV curing adhesives by regulating noumenal esterification. (paper)
Primary Subject
Secondary Subject
Source
Available from http://dx.doi.org/10.1088/2053-1591/aacd3f; Country of input: International Atomic Energy Agency (IAEA)
Record Type
Journal Article
Journal
Materials Research Express (Online); ISSN 2053-1591;
; v. 5(6); [9 p.]

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AbstractAbstract
[en] The invention that is discussed relates to a unique radiation curable coating formulation used in the manufacture of window films. The coating composition is a mixture of radiation polymerizable monomers. The mixture includes a traicrylate or a tetraacrylate acrylic acid. The thickness of the coating after polymerization ranges between about 1 and about 2.5 microns. The coating can be applied to metal substrates and is used to achieve a superior abrasion resistant coating having optimum infrared absorption, while using high infrared absorption components in the coating mixture. Typically, the coating is applied to metal, for example, to aluminum substrates used in the fabrication of insulating window film or window structures. A process for applying the coating to such substrates is also disclosed
Primary Subject
Source
18 Oct 1985; 21 Aug 1984; 32 p; ZA PATENT DOCUMENT 85/2796/A/; US PRIORITY 642,795; Available from Patents Office, Private Bag X400, Pretoria, 0001, South Africa; Priority date: 21 Aug 1984
Record Type
Patent
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