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Abstrak :
ABSTRAK
Buzan dan Waever dalam Regions and Powers: The Structure of International Security menjelaskan posisi Turki sebagai insulator bagi regional security complex (RSC) Eropa, Middle Eastern dan Kaukasus. Insulator adalah sebuah kawasan yang berada di antara dua atau lebih RSC yang memiliki karakter pasif dan tidak dapat menyatukan dua RSC dalam satu arena strategis keamanan. Dinamika Turki masa AKP (2002-2011) ternyata tidak lagi relevan dengan status insulator. Perubahan orientasi dari Barat ke Timur merupakan salah satu indikasi bagaimana Turki mencoba ?keluar? dari status tersebut. Perubahan orientasi ini terkarakterisasi dengan agresivitas peran Turki di regional MERSC, khususnya dalam isu keamanan, dan perekonomian yang terus membaik.

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Abstract
In Regions and Powers: The Structure of International Security, Buzan and Waever explain that Turkey is an insulator between Europe, Middle Eastern, and Caucasus regional security complexes. Insulator is a term that used to describe a regional between two or more RSCs which has been occupied by one state. The state must be weak, passive and cannot bring those RSCs together in one strategic security arena. According to Turkey?s internal and external dynamic by 2002- 2001 or AKP?s period, insulator concept does not relevant anymore to figure out Turkey?s position and status. Changing in Turkey?s foreign policy which is being turned to East poses a challenge to that status. Turkey?s trying to get out of insulator state. This changing is characterized by Turkey?s aggressivity role in MERSC, especially in security issue and emerging economic.

Abstrak :
Perkembangan industri polimer di dunia terus meningkat. Yang menjadi persoalan pelik bagi dunia plastik adalah sulitnya untuk didaur ulang dan sangat mudahnya terdegradasi. Industri polimer sering menghasilkan sisa raw material yang akan didaur ulang. Tetapi, recycling memiliki dampak degradasi yang cukup signifikan bagi material daur ulang, terutama ketahanannya terhadap thermal degradation. Oleh sebab itu, studi mengenai kemampuan plastik bertahan dari degradasi terus dilakukan. Dengan harapan ditemukan sebuah batasan dan definisi yang dinamis dari pengolahan berulang (recycled) plastik dan dampak degradasinya. Resin PP Trilene Homopolymer BOPP (Biaxially Oriented) Film grade HF 2.9 BO yang biasa digunakan untuk flexible packaging makanan, snack, adhesive tape, dan pearlized film dicampur kering dengan beberapa jenis antioksidan (diberi kode A, B, dan C) sebanyak 2000 ppm dan calcium stearate Palmstar 300 ppm. Dilakukan multiple extrusion sebanyak lima kali. Parameter pengujian ini adalah ekstrusi 1, 3, dan 5. Kemudian dilakukan pengujian MFR (Melt Flow Rate), YI (Yellowness Index), mechanical properties (tensile, fleksural, impak izod, dan kekerasan), dan FTIR (Fourier Transform Infra Red) untuk mengukur indeks karbonil. Dari hasil pengujian didapat kenaikan MFR dan YI; stabilitas nilai sifat mekanik PP; dan kenaikan indeks karbonil. Kenaikan nilai MFR dan YI menunjukkan terjadinya degradasi. Stabilitas nilai sifat mekanik disebabkan performa antioksidan ditambah degradasi masih berada pada tahap induksi, di mana oksidasi PP masih belum optimal. Mechanical properties akan menurun akibat PP terdegradasi, tetapi baru akan terlihat signifikan apabila memasuki fase degradasi pada waktu tertentu. Kenaikan indeks karbonil menunjukkan terjadi degradasi, ini dapat dipelajari dengan FTIR spektroskopi. PP sisa raw material dapat didaur ulang dengan sifat mekanik yang masih baik.

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Polymer industry around the world is increasing over the year. The problem is plastics are hard to recycle and easily degrades by UV, thermal degradation, etc. polymer industry also always produced raw material residue that will be recylcled. However, recycling polymer have major impacts to recycled material, particularly its endurance from thermal degradation. Therefore, study about plastics resistance ability become necessary and need to be developed. With expectation that limitation and dynamic definition to recycled plastics processing and its degradation impacts, will be found. PP resin Trilene Homopolymer BOPP (Biaxially Oriented) Film grade HF 2.9 BO which usually used for food flexible packaging, snack, adhesive tape, and pearlized film dry mixed with amount of anti-oxidants (code A, B, and C) as much as 2000 ppm and 300 ppm calcium stearate Palmstar. The specimens has been treated with multiple extrusion about five times. This testing parameters is the 1st, 3rd, and 5th extrusion. Next, is the testing for MFR (Melt Flow Rate), YI (Yellowness Index), mechanical properties (tensile, flexural, impact izod, and hardness), and FTIR (Fourier Transform Infra Red) to measure carbonyl index. Among the results of the experiments are increasing value of MFR and YI during multiple extrusion; stability in mechanical properties; and increasing of carbonyl index. The rising of MFR and YI values showed a degradation. The stability in mechanical properties is caused by anti-oxidants performance and the degradation which is still at induction period. Mechanical properties will decrease while PP is degraded, but will be clearly obviously when it comes the degradation stage for a specific time. The increasing of carbonyl index shows that the degradation occur, it could be studied with FTIR spectroscopy. PP raw material residue can be recycled by the next extrusion and still have quite good mechanical properties.