is nylon a polyamide,polyester,polysaccharide or polyvinyl?
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Nylon is a polyamide.
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Ripstop nylon is the standard on modern personal parachutes - no doubt the cargo parachutes are a heavier grade.
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Common school glue is Elmer's Glue, poly-vinyl acetate (PVA)\n\nVinyl acetate, the monomer, is CH2=CH-O-COCH3, or\nC4H6O2\n\nThe polymer is made up of units like this:\n\n-[CH2-C(-O-COCH3)H]-\n\nor\n\n(C4H6O2)n\n\nIt is easier to read the formula on the wikipedia link.  Their formula unit is drawn rather than just text.
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Types of Polymers:\n1. Addition Polymers:eg. Polyetethne, Polyvinyl Cholride,Teflon, Neoprene, Natural Rubber etc.\n2. Condensation Polymers:eg. Nylon66, Polysterene etc.
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Mostly carbon and hydrogen.\nNatural rubber is a polymer of isoprene, a 5-carbon diene (has two double bonds).  It is not perfectly stable towards oxygen and especially with sunlight, hence, it degrades over time and becomes brittle.  When it's good and new though - C and H.
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Polyester is a category of polymers which contain the ester group in its' main chain. \n\nUsually, polyester refers to cloth woven from polyester fiber. \n\nPolyesters do exist in nature (Plant Cuticle), however, polyester generally refers to the large family of synthetic polyesters (plastics) which includes polycarbonate and polyethylene terephthalate (PET).\n\nGet an "A".
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polymere's and resins
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You can find the general structures through simple web searches.  Remember some of these are polymers and can have different versions based on chain lengths and copolymers.
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polysaccharides?\nhttp://www.cellsalive.com/cells/cellwall.htm\n\ncellulose?\nhttp://www.usoe.k12.ut.us/curr/science/sciber00/7th/cells/sciber/cellwall.htm
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its cis 1,4 polyisoprene(polymer)\n\nH2C=C(CH2)-CH=CH2
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If you are referring to - polysaccharides, they are carbohydrates (e.g., starch, cellulose, or glycogen) whose molecules consist of a number of sugar molecules bonded together.
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http://www.google.com/search?btnI=I%27m+Feeling+Lucky&q=polysaccharide+wiki\n\nIt's a complex sugar
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Did you try to "google" polyvinyl choloride polymer company?
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synthetic fibers replace natural fibres like cotton, wool, etc. with polyester, and others
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here is an excerpt from the following source:\n\nhttp://chemistry.about.com/b/a/000855.htm?terms=spider+silk\n\n\nHollow nanofibers spun from a carbon/polymer composite are tougher than Kevlar, steel, or spider silk. 'Toughness' is a term used to describe the ability of a substance to absorb mechanical energy before breaking. Go to Science News to read their article on the nanotubes.
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One way to really find out the answer to your question would be to put wool and nylon thread under a microscope.  \n\nBut, even with the naked eye, one can see that a wool thread is spun and will have many little teeny hairs emerging from the body of the thread.  A nylon thread is a synthetic, which should look smooth while compared to the natural fiber.\n\nWhy would the wool be a better thread to use for a sweater or scarf than the nylon?
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Plastic covers a range of synthetic or semisynthetic polymerization products. They are composed of organic condensation or addition polymers and may contain other substances to improve performance or economics. There are few natural polymers generally considered to be "plastics". Plastics can be formed into objects or films or fibers. Their name is derived from the fact that many are malleable, having the property of plasticity. Plastic can be classified in many ways but most commonly by their polymer backbone (polyvinyl chloride, polyethylene, acrylic, silicone, urethane, etc.). Other classifications include thermoplastic vs. thermoset, elastomer, engineering plastic, addition or condensation, and Glass transition temperature or Tg.\n\nA lot of plastics are partially crystalline and partially amorphous in molecular structure, giving them both a melting point (the temperature at which the attractive intermolecular forces are overcome) and one or more glass transitions (temperatures at which the degree of cross-linking is substantially reduced).\n\nPlastics are polymers: long chains of atoms bonded to one another. These chains are made up of many repeating molecular units, or "monomers". The vast majority of plastics are composed of polymers of carbon alone or with oxygen, nitrogen, chlorine or sulfur in the backbone. (Some of commercial interest are silicon based.) The backbone is that part of the chain on the main "path" linking the multitude of monomer units together. To customize the properties of a plastic, different molecular groups "hang" from the backbone (usually they are "hung" as part of the monomers before linking monomers together to form the polymer chain). This customization by pendant groups has allowed plastics to become such an indispensable part of twenty first-century life by fine tuning the properties of the polymer.