Crystalline polymers

Crystalline polymers

Crystalline polymers are a family of polymers that are characterised by an ordered arrangement of the molecules which fit closely together. Typically, crystalline polymers are more dense than amorphous polymers. A polymer in a crystalline state is a solid, due to its solid crystals, which have definite geometric form.

Crystalline polymers display an X-ray diffraction pattern. The degree of crystallinity determines the intensity of the pattern. The pattern can be used to identify the polymer.

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Related terms

crystalline polymers

Software; CAM

Crystalline polymers are a family of polymers that are characterized by an ordered arrangement of the molecules which fit closely together. Typically, crystalline polymers are ...

polymers

Energy; Energy trade

Plastics made from monomers. The most common include widely traded plastics like polyethylene, polypropylene and polystyrene.

barrel capacity

Software; CAM

The barrel capacity is the maximum weight of material that a machine can produce from one forward motion of the ram or screw.

barrel effect

Software; CAM

The barrel effect is the effect of material compressibility while the material is in the barrel of the injection molding machine. This compressibility can be significant. A ...

batch

Software; CAM

A batch is the quantity of polymer that is made in one operation. A batch is also referred to as a lot In CAE products, batch refers to the execution of consecutive analyses in ...

bending moment

Software; CAM

A bending moment is the force or load applied to an entity that produces bending of that entity around an axis.

boss

Software; CAM

A boss is a raised projection in a molded part that usually has a hole in it to provide additional material for supporting a mechanical fastener, such as a screw.

boundary representation solid

Software; CAM

A boundary representation solid is a model format produced from a surface modeling CAD system. The solid is defined as a list of surfaces that enclose a volume.