Effect of polymerin situsynthesized from methyl methacrylate and styrene on the morphology, thermal behavior, and durability of wood

2012 ◽  
Vol 128 (1) ◽  
pp. 13-20 ◽  
Author(s):  
Li YongFeng ◽  
Dong XiaoYing ◽  
Lu ZeGuang ◽  
Jia WanDa ◽  
Liu YiXing
Keyword(s):  
Methyl Methacrylate ◽  
Thermal Behavior

Thermal behavior and properties of polystyrene/poly(methyl methacrylate) blends

2003 ◽  
Vol 91 (1) ◽  
pp. 609-620 ◽  
Author(s):  
Chengzhi Chuai ◽  
Kristoffer Almdal ◽  
Jørgen Lyngaae-Jørgensen
Keyword(s):  
Methyl Methacrylate ◽  
Thermal Behavior ◽  
Poly Methyl Methacrylate

Thermal behavior of poly(dimethyl itaconate) and poly(di-n-butyl itaconate) copolymerized with methyl methacrylate

2001 ◽  
Vol 41 (9) ◽  
pp. 1616-1625 ◽  
Author(s):  
Marta Fernández-Garcia ◽  
José Luis De La Fuente ◽  
Enrique López Madruga
Keyword(s):  
Methyl Methacrylate ◽  
Thermal Behavior ◽  
Dimethyl Itaconate

scholarly journals STUDY THERMAL BEHAVIOR OF HEAT CURE POLY (METHYL METHACRYLATE) REINFORCED BY BAMBOO AND RICE HUSK POWDERS FOR DENTURE APPLICATIONS

2019 ◽  
Vol 11 (4) ◽  
pp. 417-425
Author(s):  
Jawad K. Oleiwi ◽  
Qahtan Adnan Hamad ◽  
Hadil Jabbar Abdul Rahman
Keyword(s):  
Thermal Conductivity ◽  
Thermal Diffusivity ◽  
Methyl Methacrylate ◽  
Thermal Behavior ◽  
Rice Husk ◽  
Weight Fraction ◽  
Scanning Calorimetry ◽  
Poly Methyl Methacrylate ◽  
Heat Cure ◽  
Naoh Solution

The present research, studies the effect of adding two different types of reinforcing powders, which included: Bamboo (Ba) and Rice Husk (RH), that added with different weight fractions (2, 4, 6 and 8 wt. %), and with the selected size particles of (25µm and 75µm) on thermal behavior of heat Cure Poly (Methyl Methacrylate) such as thermal conductivity and thermal diffusivity in addition to the differential scanning calorimetry (DSC) analysis  and these tests were accomplished at temperature of laboratory. The poly Methyl Methacrylate properties which reinforced by (Bamboo and Rice Husk) powders are mainly influenced by the interfacial adhesion strength between the powders and the matrix, and in order to get better correlation between the natural powder and PMMA matrix, so the powders were treated with alkali (sodium hydroxide NaoH) solution prior to use as reinforcement materials. The results showed that the values of the thermal conductivity and thermal diffusivity increased with increasing of the weight fraction for both particle sizes (25 µm and 75 µm) of natural powders.

The Synthesis and Phase Behavior of a Novel Discoticnematic Triphenylene Mesogen and its Application to an Optically Anisotropic Film

2008 ◽  
Vol 373-374 ◽  
pp. 678-681 ◽  
Author(s):  
Chun Xiu Zhang ◽  
Zhi Qun He ◽  
Jia Ling Pu ◽  
Jun Jie Wang ◽  
Yong Sheng Wang ◽  
...  
Keyword(s):  
Methyl Methacrylate ◽  
Thermal Behavior ◽  
Phase Behavior ◽  
Differential Scanning Calorimeter ◽  
Glass Substrate ◽  
Nematic Phase ◽  
Polyimide Film ◽  
Optical Microscope ◽  
X Ray Diffraction ◽  
X Ray

A novel discotic triphenylene derivative bearing one triphenylene discogen as core and three cyano-biphenyl moieties was synthesized and its thermal behavior was studied using polarizing optical microscope, differential scanning calorimeter and X-ray diffraction. It was found that this molecule containing [decylene?] spacers showed nematic phase. After being mixed with methyl methacrylate (MMA), the discogen showed nematic phase at the mesophase temperature range (64~85 °C) and oriented spontaneously in the mixture after annealing for 2 hours in the mixture. The orientation can be stabilized by the polymerization of MMA. The orientation can be fixed by the polymerization of MMA. It was treated directly on glass substrate, which surface did not treat by polyimide film and confirmed the orientation was proved by X-ray diffraction. This offers If the alignment of the discotic molecules can be freely controlled and fixed, a useful mean to produce new area of optically anisotropic film will be produced with this material.

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