שאלה | natural rubber, Hevea is sticky,elastic and mechanically weak polymer while Gutta0percha is harder and more non elastic.Both are made of exactly the same monomer material(isoprene) and have the same primary chemical structure. what is the best explanation for their different properties

natural rubber, Hevea is sticky,elastic and mechanically weak polymer while Gutta0percha is harder and more non elastic.Both are made of exactly the same monomer material(isoprene) and have the same primary chemical structure. what is the best explanation for their different properties

		the Hevea polymer is in a trans geometric stereo configuration while Gutta-percha is ic and allow for better chain packing and is thus partially crystalline
		Gutta-percha is partially crosslinked
		the strereochemistry of Hevea is atactic while Gutta-percha is isotactic which allows foer better chain packing and is thus partially crystalline
		none of the above