| abstract |
The invention relates to a polymerization inhibitor which comprises the following components in parts by weight: 10 parts of p-tert-butylcatechol, 10 parts of p-benzoquinone and 80 parts of styrene. Meanwhile, the invention further discloses a glass fiber reinforced plastic profiled bar comprising the polymerization inhibitor. The glass fiber reinforced plastic profiled bar comprises 60-70% of glass fibers and 30-40% of a resin formula material, wherein the resin formula material comprises the following components in parts by weight: 100 parts of resin, 10-30 parts of filler, 2-4 parts of a mill base, 0.8-1.5 parts of a release agent, 0.5-1 part of an initiator, 0.5-2 parts of an accelerant, 0.1-0.3 part of an antioxidant and 0.1-0.2 part of the polymerization inhibitor. According to the invention, the gelling time of the resin formula material under a condition of 35-60 DEG C is prolonged, a cross-linking reaction in advance in a resin trough is avoided, and solid particles are prevented from blocking a die port, so that the continuity of production is guaranteed. |