Research Article

Microwave-Assisted Synthesis of Cross-Linked Co-poly(itaconic anhydride-methyl methacrylate): The Effects of the Molar Ratio and Cross-Linking Agent on the Thermal Stability

Table 3

Information derived from the TGA of the degradation of the EPMITA and DPMITA copolymers.

Copolymer codeDistribution of volatile ranges (temperature range) (°C) (°C) (°C) (°C)Residue (%)

EPMITA 1-530-150150-230230-349349-60016824834017.13
6.7%17.7%27.0%32.2%
EPMITA 1-1030-142142-229229-339339-60022838737718.88
4.0%12.4%26.6%37.9%
EPMITA 1-1530-137137-225225-331331-60024439037113.80
2.7%14.1%25.2%43.7%
EPMITA 1-2030-9999-215215-342342-60025439939412.13
0.7%13.8%25.7%47.7%
EPMITA 2-1530-100100-231231-329329-60023138838111.00
1.4%10.9%25.1%51.3%
EPMITA 2-2030-100100-235235-329329-6002363903859.75
1.1%12.9%23.0%52.9%
EPMITA 3-1530-100100-149149-323323-6002223803808.80
0.5%2.3%29.3%59.7%
EPMITA 3-2030-100100-326326-6002533873907.29
0.6%30.9%61.2%
DPMITA 1-530-164164-231231-345345-60018840138418.84
6.3%11.1%25.538.0%
DPMITA 1-1030-199199-257257-350350-60014040837016.49
20.4%12.1%14.436.5%
DPMITA 1-1530-243243-371371-60014341242220.48
12.5%20.3%46.6%
DPMITA 2-530-200200-342342-60020039640020.30
7.5%28.0%43.8%
DPMITA 2-1030-143143-341341-60021240039916.56
11.5%22.7%47.3%
DPMITA 3-530-130130-238238-329329-60023838238412.56
5.5%4.8%22.453.1%
DPMITA 3-1030-194194-333333-60026339139814.14
1.8%25.3%54.7%

At 600°C.