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You searched for subject:(Intumescent flame retardant). Showing records 1 – 3 of 3 total matches.

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Vilnius Gediminas Technical University

1. Demidova-Buizinienė, Irina. Statybinių medžiagų atsparumo ugniai padidinimo galimybių tyrimas.

Degree: Master, Civil Enginering, 2009, Vilnius Gediminas Technical University

Baigiamajame magistro darbe nagrinėjamas priešgaisrinės išsipučiančios dangos porėto ir nedegių liekanų termiškai stabilaus sluoksnio sudarymo principai. Aprašomi užpildai bei kiti komponentai gerinantys dangos termoizoliacines savybes. Taip pat pateikta įvairių užpildų įtaką sudarant apsauginį dažų sluoksnį. Be to, darbe yra aprašyti minimalaus priešgaisrinės dangos sluoksnio, reikalingo plieno konstrukcijoms gaisro metu apsaugoti, skaičiavimai. Metodinėje-tiriamojoje darbo dalyje pateikta priešgaisrinės dangos bandymo atlikimo tvarka ir įranga, šilumos laidumo skaičiavimo metodika. Išnagrinėta koreliacinės-regresinės analizės vertinimo metodika. Praktinėje darbo dalyje analizuojamos priešgaisrinės dangos šilumos laidumo ir dangos termoizoliacinio sluoksnio padidėjimo priklausomybė nuo skirtingai didėjančių gaisro temperatūrų. Taip pat gautiems šilumos laidumo rezultatams atliekama koreliacinė-regresinė analizė. Darbą sudaro 5 dalys: įvadas, analitinė dalis, metodinė-tiriamoji dalis, išvados, literatūros sąrašas.

In the analytical part of this Thesis, the principals of fire resistance intumescent coatings foam and thermally stable char layer forming is presented. The fillers and other components for improving surface thermal properties are discussed. As well as a variety of fillers influence the protective coating analyses. In addition, the work is described the minimum fire protection coating layer of steel structures required for fire protection calculations. In the project part of this Thesis, the procedures and equipment, the heat conduction calculation is given. Moreover, the Thesis fire surface thermal conductivity and thermal insulation coating layer increases dependence on the different ways of rising temperatures in the fire analyses. It is also obtained the result of heat conduction by correlation-regression analysis. Structure: introduction, analytical part, the research part, conclusions and references.

Advisors/Committee Members: Grigonis, Mindaugas (Master’s thesis advisor), Mačiulaitis, Romualdas (Master’s thesis supervisor), Lukošius, Kęstutis (Master’s thesis advisor), Laukaitis, Antanas (Master’s thesis reviewer), Gailius, Albinas (Master’s thesis reviewer).

Subjects/Keywords: Atsparumas ugniai; Išsipučiančios dangos; Dažai; Metalinės konstrukcijos; Fire resistance; Flame retardant; Intumescent coating; Structural stele

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APA (6th Edition):

Demidova-Buizinienė, I. (2009). Statybinių medžiagų atsparumo ugniai padidinimo galimybių tyrimas. (Masters Thesis). Vilnius Gediminas Technical University. Retrieved from http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2009~D_20090703_115951-79680 ;

Chicago Manual of Style (16th Edition):

Demidova-Buizinienė, Irina. “Statybinių medžiagų atsparumo ugniai padidinimo galimybių tyrimas.” 2009. Masters Thesis, Vilnius Gediminas Technical University. Accessed December 15, 2019. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2009~D_20090703_115951-79680 ;.

MLA Handbook (7th Edition):

Demidova-Buizinienė, Irina. “Statybinių medžiagų atsparumo ugniai padidinimo galimybių tyrimas.” 2009. Web. 15 Dec 2019.

Vancouver:

Demidova-Buizinienė I. Statybinių medžiagų atsparumo ugniai padidinimo galimybių tyrimas. [Internet] [Masters thesis]. Vilnius Gediminas Technical University; 2009. [cited 2019 Dec 15]. Available from: http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2009~D_20090703_115951-79680 ;.

Council of Science Editors:

Demidova-Buizinienė I. Statybinių medžiagų atsparumo ugniai padidinimo galimybių tyrimas. [Masters Thesis]. Vilnius Gediminas Technical University; 2009. Available from: http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2009~D_20090703_115951-79680 ;


University of Pretoria

2. Kruger, Hermanus Joachim. Characterisation of expandable graphite and its flame retardant abilities in flame retardant systems for polyethylene.

Degree: PhD, Chemical Engineering, 2017, University of Pretoria

In the pursuit of lower cost intumescent flame retardant (IFR) systems, the compound expandable graphite (EG) was identified. This compound delivers high flame retardant performance but provides non-uniform thermal shielding when exposed to open flame from below due to negative gravitational effects. It was theorised that this may be remedied either through ion exchange of the interstratified ions with low glass transition ions or through use in binary systems with other compounds. Two classes of commercial EG were identified, namely a low and a high expansion onset temperature EG compound. Extensive characterisation of each EG compound was undertaken to assess its composition, expansion mechanisms and onset temperatures in order to identify compatible compounds for binary use. The susceptibility of each compound to ion exchange was also assessed. An industrial IFR ethylenediamine phosphate (EDAP) and a novel flame retardant were synthesised for assessment in binary use with EG. Coupled with the above study, this project developed two novel fire testing techniques as low cost alternatives to well-established fire testing methods such as cone calorimetry. The first technique involved an open flame fire testing method which allowed vertical or horizontal testing. Digital and infrared (IR) video recording during operation facilitated comparison of multiple performance indicators further strengthening this method. The second technique allowed assessment of the mass loss resistance of each compound during laser pyrolysis. Characterisation of the EG compounds allowed development of structural models to describe each compound and explain the mechanisms of their expansion and gaseous release. Exhaustive ion exchange testing did not deliver favourable results, necessitating the pursuit of compounds for binary use with EG. A novel IFR was synthesised by neutralising 3,5-diaminobenzoic acid hydrochloride salt with ammonium dihydrogen phosphate. This compound, which melts at 257 °C, decomposes concurrently to release carbon dioxide gas which promotes intumescent charring. The flame retardant performance of this compound and EDAP as primary flame retardants and in combination with expandable graphite was evaluated. As a proof of concept, the novel compound was tested as a primary flame retardant using cone calorimetry after which its utility in binary systems with low temperature expandable graphite was tested. Substantial decreases in peak heat release rate (pHRR) and flame out time were achieved for all binary systems. This success led to testing of a number of combinations of low and high expansion onset EG and the other IFRs to identify the highest performing combination, which proved to be the 10-10 EDAP-EG system. Combinations of EG and the novel compound also showed excellent results. The novel fire testing techniques proved effective in identifying high performance combinations and showed comparable trends to those measured in cone calorimetry, at a greatly reduced cost and material requirement. IR analysis of open flame… Advisors/Committee Members: Focke, Walter Wilhelm (advisor).

Subjects/Keywords: UCTD; Expandable graphite; Graphite oxide; Graphite intercalation compound; Intumescent flame retardant

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APA (6th Edition):

Kruger, H. (2017). Characterisation of expandable graphite and its flame retardant abilities in flame retardant systems for polyethylene. (Doctoral Dissertation). University of Pretoria. Retrieved from http://hdl.handle.net/2263/61304

Chicago Manual of Style (16th Edition):

Kruger, Hermanus. “Characterisation of expandable graphite and its flame retardant abilities in flame retardant systems for polyethylene.” 2017. Doctoral Dissertation, University of Pretoria. Accessed December 15, 2019. http://hdl.handle.net/2263/61304.

MLA Handbook (7th Edition):

Kruger, Hermanus. “Characterisation of expandable graphite and its flame retardant abilities in flame retardant systems for polyethylene.” 2017. Web. 15 Dec 2019.

Vancouver:

Kruger H. Characterisation of expandable graphite and its flame retardant abilities in flame retardant systems for polyethylene. [Internet] [Doctoral dissertation]. University of Pretoria; 2017. [cited 2019 Dec 15]. Available from: http://hdl.handle.net/2263/61304.

Council of Science Editors:

Kruger H. Characterisation of expandable graphite and its flame retardant abilities in flame retardant systems for polyethylene. [Doctoral Dissertation]. University of Pretoria; 2017. Available from: http://hdl.handle.net/2263/61304


NSYSU

3. Kung, Wei-cheng. The Effect of Ammonium Polyphosphate in Intumescent Fire Retardant Coating.

Degree: Master, Environmental Engineering, 2018, NSYSU

Intumescent fire-retardant paints were mainly including ammonium polyphosphate(APP), melamine and pentaerythritol These three chemicals are the main structure of the expansion system. Ammonium polyphosphate is an inorganic polymer containing phosphorus and nitrogen. This chemical APP has high content of P-N of flame retardant, good thermal stability, non-toxic and smoke-inhibiting. It is often used as a halogen-free flame retardant of nitrogen-phosphorus-based expanded in various fields. In particular, the coatings of flame retardants are gradually becoming a research hotspot. The chemical APP of I-type structure has linear chains of different lengths, low decomposition temperature and high water solubility. The chemical of APP Type II structure is water-insoluble substance. This APP has crosslinked structure existing in the crystal and the degree of polymerization can reach more than 1000. Thus APP of type II is more inclined to be used in the application. In this study, three different types of APP were selected: APP I, APP II, and APP II Coating MF. These three APPs were added to the fire retardant paint. Physical properties tests , wooden board trial burn and gas burner tests were conducted. The results of all tests show that the expansion layer was not thick enough and there was void in the inner layer of the expansion when tests of wooden board trial burning on APP I type.This finding would cause a poor flame-retardant effect. While the APP II type and APP II Coating MF was found the thickness and density of the intumescent layer increased after board burning test.After the gas burner test, the fire-resistance of fire-resistance of APP type I was only reach 25 minutes, the APP II type was reached 71 minutes, and the APP II Coating MF was reached 77 minutes.Finally,the APP II coating MF has good aging of fire retardant . Advisors/Committee Members: HSU YUNG SEN (chair), HUANG SHIH WEI (chair), LIN YUNG CHANG (chair), KAO CHIH MING (committee member).

Subjects/Keywords: Flame retardant; Pentaerythritol; Melamine; Ammonium polyphosphate; Intumescent fireproof paint; Inorganic polymer

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Kung, W. (2018). The Effect of Ammonium Polyphosphate in Intumescent Fire Retardant Coating. (Thesis). NSYSU. Retrieved from http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0611118-114653

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16th Edition):

Kung, Wei-cheng. “The Effect of Ammonium Polyphosphate in Intumescent Fire Retardant Coating.” 2018. Thesis, NSYSU. Accessed December 15, 2019. http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0611118-114653.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7th Edition):

Kung, Wei-cheng. “The Effect of Ammonium Polyphosphate in Intumescent Fire Retardant Coating.” 2018. Web. 15 Dec 2019.

Vancouver:

Kung W. The Effect of Ammonium Polyphosphate in Intumescent Fire Retardant Coating. [Internet] [Thesis]. NSYSU; 2018. [cited 2019 Dec 15]. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0611118-114653.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Kung W. The Effect of Ammonium Polyphosphate in Intumescent Fire Retardant Coating. [Thesis]. NSYSU; 2018. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0611118-114653

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

.