Definition

1. Noun:
   • A synthetic acrylic resin polymer. It is specifically the polymer of propenonitrile (acrylonitrile). This material is known for being strong, soft, and highly resistant to creases. It is primarily used in the production of synthetic fibers for textiles.

Usage

• As a common noun: The word refers to the chemical substance itself.
  • The fiber is composed of polypropenonitrile, which gives it its durable qualities.
  • Chemists studied the polymerization process for creating polypropenonitrile.
• In a commercial/industrial context: It is often associated with its branded fiber form.
  • The sweater is made from polypropenonitrile, making it easy to care for.

Advanced Usage

• In materials science: The term is used to specify the polymer's chemical composition, distinguishing it from other acrylics or synthetic polymers.
  • The research paper compared the thermal properties of polypropenonitrile to those of polyacrylonitrile.

Variants and Related Words

• Acrilan (n): A well-known trademark for fibers and fabrics made from polypropenonitrile.
  • The upholstery fabric is made of Acrilan.
• Acrylic fiber (n): A general term for synthetic fibers made from polymers derived from acrylic acid. Polypropenonitrile is a key type of acrylic fiber.
  • Many carpets are constructed from acrylic fiber.
• Polyacrylonitrile (PAN) (n): A very closely related term, often used interchangeably in technical contexts, though subtle distinctions in polymer structure may exist.
  • Polyacrylonitrile is a common precursor for carbon fiber production.

Synonyms

• Acrylic resin (specific type): A broader category of synthetic resins, with polypropenonitrile being a member.
• Synthetic fiber polymer: A descriptive term for its primary application.

Notes on Meaning

• The word is highly technical and is primarily used in scientific, industrial, and manufacturing contexts. In everyday language, the resulting fabric is typically referred to by its trademark (Acrilan) or the generic term acrylic.
• Its defining properties are strength, softness, and crease resistance, which directly relate to its common use in clothing, upholstery, and carpets.

Noun

1. acrylic resin used to make a strong soft crease-resistant fabric (trade name Acrilan)