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PBT material and preparation method thereof

A technology of nano-zinc oxide and glass fiber, applied in the field of polyester, to achieve high heat resistance, poor hydrolysis resistance, and optimized process conditions

Inactive Publication Date: 2016-12-07
WENZHOU JUXING PETROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, with the development of society, people have further requirements for the performance of PBT materials, and the existing PBT materials cannot meet people's needs and need to be improved.

Method used

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  • PBT material and preparation method thereof
  • PBT material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Step 1: Add nano-zinc dioxide, coupling agent isopropyl tris(dioctyl pyrophosphate acyloxy) titanate and toluene, stir and heat to reflux for 2 hours, centrifuge, wash with acetone, bake at 120°C for 2 hours, Wherein the weight ratio of nano zinc oxide and coupling agent is 1: 0.3, the mass volume ratio of nano zinc oxide and toluene is 1: 10g / mL;

[0038] Step 2: Add the dried nano-zinc oxide, terephthalic acid, and 1,4-butanediol in sequence, heat to melt, add the catalyst butyl titanate, stir, and heat up until water evaporates , constant temperature reaction for 30min, the vacuum degree was evacuated to 2000Pa, and the reaction was continued for 1h. Wherein the weight ratio of nano zinc oxide and terephthalic acid is 1:4, and the molar ratio of terephthalic acid, 1,4-butanediol and butyl titanate is 1:1.2:0.01;

[0039] Step 3: Add solvent phenol to the reactant, vibrate ultrasonically until the reactant is completely dissolved, then perform centrifugation, wash on...

Embodiment 2

[0041] Step 1: Add nano-zinc dioxide, coupling agent isopropyl tris(dioctyl phosphate acyloxy) titanate and toluene, stir and heat to reflux for 2 hours, centrifuge, wash with acetone, and bake at 120°C for 2 hours, wherein The weight ratio of nano zinc oxide and coupling agent is 1: 0.3, and the mass volume ratio of nano zinc oxide and toluene is 1: 10g / mL;

[0042] Step 2: Add the dried nano-zinc oxide, terephthalic acid, and 1,4-butanediol in sequence, heat to melt, add the catalyst butyl titanate, stir, and heat up until water evaporates , constant temperature reaction for 30min, the vacuum degree was evacuated to 2000Pa, and the reaction was continued for 1h. Wherein the weight ratio of nano zinc oxide and terephthalic acid is 1:6, and the molar ratio of terephthalic acid, 1,4-butanediol and butyl titanate is 1:1.3:0.02;

[0043]Step 3: Add solvent phenol to the reactant, vibrate ultrasonically until the reactant is completely dissolved, then perform centrifugation, wash...

Embodiment 3

[0045] Step 1: Add nano-zinc dioxide, coupling agent isopropyl dioleate acyloxy (dioctyl phosphate acyloxy) titanate and toluene, stir and heat to reflux for 2h, centrifuge, wash with acetone, at 120°C Bake for 2 hours, wherein the weight ratio of nano-zinc oxide to coupling agent is 1:0.3, and the mass-volume ratio of nano-zinc oxide to toluene is 1:10g / mL;

[0046] Step 2: Add the dried nano-zinc oxide, terephthalic acid, and 1,4-butanediol in sequence, heat to melt, add the catalyst butyl titanate, stir, and heat up until water evaporates , constant temperature reaction for 30min, the vacuum degree was evacuated to 2000Pa, and the reaction was continued for 1h. Wherein the weight ratio of nano zinc oxide and terephthalic acid is 1:8, and the molar ratio of terephthalic acid, 1,4-butanediol and butyl titanate is 1:1.5:0.03;

[0047] Step 3: Add solvent phenol to the reactant, vibrate ultrasonically until the reactant is completely dissolved, then perform centrifugation, was...

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Abstract

The invention discloses a PBT material which is prepared from the components, by weight, of 65-75 parts of PBT, 8-15 parts of modified nano zinc oxide, 5-10 parts of pretreated glass fiber, 0.3-0.5 part of antioxidant, 0.5-1.5 parts of fire retardant and 3-5 parts of calcium stearate; the modified nano zinc oxide is a product obtained by graft modification of nano zinc oxide treated by a coupling agent and terephthalic acid and 1,4-butylene glycol. The PBT material and a preparation method thereof have the advantage that the mechanical property of the PBT material is excellent.

Description

technical field [0001] The invention relates to the polyester field, in particular to a PBT material and a preparation method thereof. Background technique [0002] The Chinese patent with publication number CN105255126A discloses a glass fiber reinforced PBT material and a preparation method thereof. The glass fiber reinforced PBT material has good performance in rigidity, toughness, heat resistance, fluidity and other properties. [0003] However, with the development of society, people have further requirements for the performance of PBT materials, and the existing PBT materials cannot meet people's needs and need to be improved. Contents of the invention [0004] The purpose of the present invention is to provide a PBT material with good mechanical properties. [0005] Above-mentioned technical purpose of the present invention is achieved through the following technical solutions: [0006] A kind of PBT material, comprises the component of following weight fraction: ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/02C08K13/06C08K9/04C08K3/22C08K9/02C08K7/14C08K5/053C08K3/32C08K5/3492C08K5/098C08K5/523C08K5/524C08K5/134
CPCC08K13/06C08K3/22C08K3/32C08K5/053C08K5/098C08K5/1345C08K5/34922C08K5/523C08K5/524C08K7/14C08K9/02C08K9/04C08K2003/2296C08K2003/323C08K2201/011C08L67/02
Inventor 穆云
Owner WENZHOU JUXING PETROCHEM
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