Results 41 to 50 of about 3,295 (115)

Stiren-Bütadien Kopolimer Katkısının Çimento Harçlarına Etkisi

open access: yesDüzce Üniversitesi Bilim ve Teknoloji Dergisi, 2015
New generation chemical additives mostly are used in the production of concrete. Use of high distribution (dispersion) force of chemical admixtures in specific proportions in concrete is essential. If content of chemical additives use in unsuitable proportions, properties of fresh and hardened concrete are influenced. In the study, the plasticizer (1%)
BİDECİ, Alper   +4 more
openaire   +5 more sources

Hidrofilik Aşı Kopolimer Membranların Şişme Davranışının Kinetik İncelenmesi

open access: yesKırklareli Üniversitesi Mühendislik ve Fen Bilimleri Dergisi
Son yıllarda, çevreyle uyumlu malzeme ve süreçlerin kullanımı, biyolojik çeşitliliği koruma, su, toprak ve hava kirliliğini azaltma ve yenilenebilir kaynakları teşvik etme hedefleri doğrultusunda büyük önem kazanmıştır. Yeni çevresel sorunların ortaya çıkmasını engellemek ve mevcut problemlere çözüm bulmak da bu çabaların temel amaçları arasında yer ...
Fatma Kurşun Baysak, Gülcan Geyik
openaire   +2 more sources

Nanoszerkezetű amfifil kotérhálók és gélek = Nanostructured Amphiphilic Conetworks and Gels [PDF]

open access: yes, 2010
Nemzetközi együttműködés keretében jól definiált szerkezetű és molekulatömegű blokk-kopolimerek térhálósításával modell kotérhálónak tekinthető anyagokat állítottunk elő, és felderítettük az összetétel, szerkezet és tulajdonságok közötti alapvető ...
Erdődi, Gábor   +4 more
core  

SINTESIS DAN KARAKTERISASI NANOFIBER KOMPOSIT Zn-PVDF KOPOLIMER

open access: yesJurnal Kimia Terapan Indonesia, 2014
Sintesis nanofiber komposit Zn-PVDF kopolimer dengan metoda elektrospinning telah berhasil dilakukan. Proses pembuatan nanofiber komposit serta  morfologi yang terbentuk dipengaruhi oleh penambahan Zn-asetat dengan perubahan diameter rata-rata serat dari 357,13 nm menjadi 777,24 nm. Analisis FTIR menunjukkan bahwa struktur kristal nanofiber komposit Zn-
Sari, Yelfira   +3 more
openaire   +3 more sources

Amfifilikus polimerek és blokk-kopolimerek szintézise és karakterizálása = Synthesis and Characterization of Amphiphilic polymers and Block Copolymers [PDF]

open access: yes, 2011
Új amfifilikus ciklodextrin végcsoportokat tartalmazó makromolekulát állítottunk elő. Bizonyítottuk a molekula önszerveződő képességét és vizsgáltuk a kialakuló aggregátumok szerkezetét.
Borda, Jenő   +7 more
core  

Polymerization of Vinyl Acetate and Acrylic Acid Monomers Using Azobisiso Butyronitrile (Aibn) Initiator as Polymeric Biocide [PDF]

open access: yes, 2015
POLYMERIZATION OF VINYL ACETATE AND ACRYLIC ACID MONOMERS USING AZOBISISOBUTYRONITRILE (AIBN) INITIATORAS POLYMERICBIOCIDE. Polymerization of vinyl acetate/acrylic acid with Cu (PVAc/AA-Cu) copolymer as biocide in marine coatingwas studied.
Harmami, S. B. (Sri)   +2 more
core  

Solar-Driven Water Purification: Advancing PVA-Chitosan/PANI Hydrogel to Enhance Solar Vapor Generation for Freshwater Treatment

open access: yesInternational Islamic University Malaysia Engineering Journal
Water scarcity is a global issue that affects human beings' ability to live healthily, and immediate action must be taken to alleviate this issue. Despite advances in water purification, current technologies exhibit pronounced deficiencies.
Flora Serati   +3 more
doaj   +1 more source

Stiren-maleik anhidrit kopolimer sentez ve karakterizasyonu

open access: yes, 2021
Bu çalışmada, azot atmosferi 70°C de toluen ortamında farklı derişim oranlarında stiren (St) ve maleik anhidrit (MA) monomerleri kullanılarak SMA kopolimerleri elde edilmiştir. SMA kopolimerlerinin karakterizasyonu için FTIR, volumetrik analiz (titrasyon), elementel analiz yöntemleri kullanılmıştır.
openaire   +1 more source

Biosynthesis Of Polyhydroxyalkanoate (Pha) Using Waste Fish Oil By Cupriavidus necator H16 [PDF]

open access: yes, 2014
The potential use of waste fish oil (WFO) as carbon source for production of polyhydroxyalkanoates (PHAs) using Cupriavidus necator H16 was investigated.
Puvaneswary , Kaesavan
core  

Sintesis Hidrogel Kopolimer Pati Iles-iles Dengan Asam Akrilat, Akrilamida Dan Metilenabisakrilamida Sebagai Pembenah Tanah [PDF]

open access: yes, 2015
SINTHESYS OF HYDROGEL COPOLYMER OF KONJAC STARCHWITHACRYLICACID, ACRYLAMIDE AND METHYLENEBISACRYLAMIDE FOR SOILAMENDMENT. Graft copolymer hydrogel of konjac starch, acrylic acid, acrylamide and N,N-methylenebisacrylamide was synthesized by techniques of ...
Santoso, A. B. (Agung)   +2 more
core  

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