CN103540133B - A kind of multi-component alloys method of modifying improving polyethersulfone resin sheet material solvent resistance - Google Patents
A kind of multi-component alloys method of modifying improving polyethersulfone resin sheet material solvent resistance Download PDFInfo
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- CN103540133B CN103540133B CN201310423783.XA CN201310423783A CN103540133B CN 103540133 B CN103540133 B CN 103540133B CN 201310423783 A CN201310423783 A CN 201310423783A CN 103540133 B CN103540133 B CN 103540133B
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Abstract
The invention discloses a kind of multi-component alloys method of modifying improving polyethersulfone resin sheet material solvent resistance, comprise the following steps: polyethersulfone resin, polyether-ether-ketone resin, polyetherimide resin particulate material are put into high speed mixer after drying at 130-150 DEG C, mixing; By twin screw extruder, cold rear pelletizing; Drying is carried out to obtaining sample particulate material by granulation, at room temperature the particulate material of oven dry is added in mould according to required amount, mould is put into baking oven, baking oven is controlled at 230-250 DEG C, be incubated 30-40 minute, then be warming up to 330-345 DEG C of insulation 30-40 minute, then be warming up to 355-372 DEG C of insulation 10-40 minute; Rapidly mould is transferred to press, the temperature of press is controlled at 355-370 DEG C, exit after 2-3 time and add 4-5MPa pressure, lower the temperature immediately after insulation 20-30min, when being cooled to 340-355 DEG C, increase pressure to 9-11MPa, until when temperature is down to 260-275 DEG C, lay down pressure, when temperature drops to below 162 DEG C, the demoulding sheet alloy.
Description
Technical field
The present invention relates generally to a kind of method, particularly relates to a kind of multi-component alloys method of modifying improving polyethersulfone resin sheet material solvent resistance.
Background technology
PES(polyethersulfone) be a kind of non-crystalline type thermoplasticity high performance engineering plastics, glass transition temp is high.Sulfuryls a large amount of in molecular chain and phenylene make it have excellent high thermal resistance and mechanical property, and a large amount of ehter bonds makes it have excellent processing characteristics, electrical property, flame retardant resistance and high thermal resistance.PES has high temperature resistant, and continuous use temperature is 180-200 DEG C; Excellent mechanical property, creep-resistant property is given prominence to; Hydrolytic resistance, can resistance to 150-160 DEG C hot water or steam, and at high temperature also acid and alkali, alkali corrode, but its chemical resistance solvent borne is relative with environmental stress poor.As a kind of amorphous plastics, can there is stress cracking in PES under some nip, not by the impact of gasoline or trieline, can most of solvents beyond anti-methylene dichloride and low-molecular-weight ketone, but the performance of its resistant to acetone, chloroform polar solvent is bad.This material in some field as the application of the field such as petroleum prospecting, chemical process, aerospace time, unavoidably to consider the solvent resistance of material.Therefore, its solvent resistance need be improved further.
Summary of the invention
The object of the invention is just to provide a kind of multi-component alloys method of modifying improving polyethersulfone resin sheet material solvent resistance.
The present invention is achieved by the following technical solutions:
Improve a multi-component alloys method of modifying for polyethersulfone resin sheet material solvent resistance, comprise the following steps:
(1) polyethersulfone resin, polyether-ether-ketone resin, polyetherimide resin particulate material dry 4-6h at 130-150 DEG C is removed moisture in raw material, dried raw material is by polyethersulfone resin, polyether-ether-ketone resin, polyetherimide resin, put into high speed mixer, mixing 10-20min;
(2) mixed material is passed through twin screw extruder successively, cold rear pelletizing;
(3) drying is carried out to obtaining sample particulate material by granulation, at room temperature the particulate material of oven dry is added in mould according to required amount, mould is put into baking oven, baking oven is controlled at 230-250 DEG C, be incubated 30-40 minute, then be warming up to 330-345 DEG C of insulation 30-40 minute, then be warming up to 355-372 DEG C of insulation 10-40 minute;
(4) rapidly mould is transferred to press, the temperature of press is controlled at 355-370 DEG C, exit after 2-3 time and add 4-5MPa pressure, lower the temperature immediately after insulation 20-30min, when being cooled to 340-355 DEG C, increase pressure to 9-11MPa, until when temperature is down to 260-275 DEG C, lay down pressure, when temperature drops to below 162 DEG C, the demoulding sheet alloy.
A kind of multi-component alloys method of modifying improving polyethersulfone resin sheet material solvent resistance, it is characterized in that mass percent >=10% of polyetherimide resin in described polyethersulfone resin, polyether-ether-ketone resin, polyetherimide resin particulate material, polyether-ether-ketone resin mass percent >=25%.
Advantage of the present invention is:
The solvent resistance that the present invention prepares the pure PES of PES alloy ratio has to be improved largely.
Embodiment
The technique means realized to make the present invention is easy to clear, and its alloy granule preparing PES and sheet material are described.
PES, PEEK, PEI particulate material dry 5h at 140 DEG C is removed moisture in raw material, and dried raw material is precise PES, PEEK, PEI by mass percentage, puts into high speed mixer, mixing 15min.Setting forcing machine Heating temperature.By mixed material by twin screw extruder, cold rear pelletizing.Drying is carried out to obtaining particulate material by granulation; at room temperature add in mould by the particulate material of oven dry according to required amount, mould is put into baking oven, baking oven controls to be incubated 0.5h at 240 DEG C; then be warming up to 330-345 DEG C of insulation 0.5h, then be warming up to 355-372 DEG C of insulation 0.2-0.7h.Rapid subsequently mould is transferred to press, the temperature of press is controlled at 355-370 DEG C, exit after 2 to 3 times and add 4-5MPa pressure, lower the temperature immediately after insulation 20-30min, when being cooled to 340-355 DEG C, increase pressure to 9-11MPa, until when temperature is down to about 260-275 DEG C, lay down pressure.When temperature drops to below 162 DEG C, the demoulding sheet material.
Specific examples 1
Its preparation process is as follows:
The first step, PES, PEEK, PEI particulate material dry 5h at 140 DEG C is removed moisture in raw material, dried PES, PEI and PEEK, and the mass percent being configured to PES:PEI:PEEK is the compound of 40wt%:30wt%:30wt%, mixing 15min; Second step, setting forcing machine Heating temperature.By mixed material by twin screw extruder, cold rear pelletizing; 3rd step, carrying out drying to obtaining sample particulate material by granulation, at room temperature adding in mould by the particulate material of oven dry according to required amount; mould is put into baking oven; baking oven controls to be incubated 0.5h at 240 DEG C, is then warming up to 342 DEG C of insulation 0.5h, then is warming up to 368 DEG C of insulation 0.5h.4th step, transfers to press by mould rapidly, the temperature of press is controlled at 368 DEG C, exit and add 5MPa pressure for 2 to 3 times, lower the temperature immediately, when being cooled to 348 DEG C after insulation 22min, increase pressure to 10MPa, until when temperature is down to about 270 DEG C, lay down pressure.When temperature drops to below 152 DEG C, the demoulding sheet alloy.
Specific examples 2
Its preparation process is as follows:
The first step, PES, PEEK, PEI particulate material dry 5h at 140 DEG C is removed moisture in raw material, dried PES, PEI and PEEK, and the mass percent being configured to PES:PEI:PEEK is the compound of 35wt%:30wt%:35wt%, mixing 15min; Second step, setting forcing machine Heating temperature.By mixed material by twin screw extruder, cold rear pelletizing; 3rd step, carrying out drying to obtaining particulate material by granulation, at room temperature adding in mould by the particulate material of oven dry according to required amount; mould is put into baking oven; baking oven is controlled at 240 DEG C, be incubated 0.5h, be then warming up to 338 DEG C of insulation 0.5h, then be warming up to 368 DEG C of insulation 0.5h.4th step, transfers to press by mould rapidly, the temperature of press is controlled at 368 DEG C, exit and add 6MPa pressure for 2 to 3 times, lower the temperature immediately, when being cooled to 350 DEG C after insulation 25min, increase pressure to 10MPa, until when temperature is down to about 270 DEG C, lay down pressure.When temperature drops to below 155 DEG C, the demoulding sheet alloy.
Specific examples 3
Its preparation process is as follows:
The first step, PES, PEEK, PEI particulate material dry 5h at 140 DEG C is removed moisture in raw material, dried PES, PEI and PEEK, and the mass percent being configured to PES:PEI:PEEK is the compound of 45wt%:25wt%:30wt%, mixing 15min; Second step, setting forcing machine Heating temperature.By mixed material by twin screw extruder, cold rear pelletizing; 3rd step, carrying out drying to obtaining particulate material by granulation, at room temperature adding in mould by the particulate material of oven dry according to required amount; mould is put into baking oven; baking oven is controlled at 240 DEG C, be incubated 0.5h, be then warming up to 340 DEG C of insulation 0.5h, then be warming up to 368 DEG C of insulation 0.5h.4th step, transfers to press by mould rapidly, the temperature of press is controlled at 368 DEG C, exits 2 to 3 times, then add 5MPa pressure, lower the temperature immediately, when being cooled to 345 DEG C after insulation 20min, increase pressure to 10MPa, until when temperature is down to about 270 DEG C, lay down pressure.When temperature drops to below 150 DEG C, the demoulding sheet alloy.
Claims (1)
1. improve a multi-component alloys method of modifying for polyethersulfone resin sheet material solvent resistance, it is characterized in that comprising the following steps:
(1) polyethersulfone resin, polyether-ether-ketone resin, polyetherimide resin particulate material dry 4-6h at 130-150 DEG C is removed moisture in raw material, by dried raw material polyethersulfone resin, polyether-ether-ketone resin, polyetherimide resin, put into high speed mixer, mixing 10-20min;
(2) mixed material is passed through twin screw extruder successively, cold rear pelletizing;
(3) drying is carried out to obtaining sample particulate material by granulation, at room temperature the particulate material of oven dry is added in mould according to required amount, mould is put into baking oven, baking oven is controlled at 230-250 DEG C, be incubated 30-40 minute, then be warming up to 330-345 DEG C of insulation 30-40 minute, then be warming up to 355-372 DEG C of insulation 10-40 minute;
(4) rapidly mould is transferred to press, the temperature of press is controlled at 355-370 DEG C, exit after 2-3 time and add 4-5MPa pressure, lower the temperature immediately after insulation 20-30min, when being cooled to 340-355 DEG C, increase pressure to 9-11MPa, until when temperature is down to 260-275 DEG C, lay down pressure, when temperature drops to below 162 DEG C, the demoulding sheet alloy;
The mass percent of described polyethersulfone resin, polyetherimide resin, polyether-ether-ketone resin particulate material is 40wt%:30wt%:30wt% or 35wt%:30wt%:35wt% or 45wt%:25wt%:30wt%.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1044288A (en) * | 1989-01-19 | 1990-08-01 | 吉林大学 | The preparation of aromatic polyether-ether ketone polyblend |
| CN1469784A (en) * | 2000-10-11 | 2004-01-21 | ������������ʽ���� | Masking material |
| CN1625444A (en) * | 2002-04-08 | 2005-06-08 | 名古屋油化株式会社 | Masking material |
| CN102134384A (en) * | 2011-02-23 | 2011-07-27 | 上海大学 | Polyetheretherketone/polyetherimide/polyethersulfone ternary plastic alloy particles and preparation method thereof |
| CN102863739A (en) * | 2012-10-24 | 2013-01-09 | 上海超高工程塑料有限公司 | Formula for high-temperature-resistant high-strength multi-hole absorbing material and preparation method of material |
-
2013
- 2013-09-17 CN CN201310423783.XA patent/CN103540133B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1044288A (en) * | 1989-01-19 | 1990-08-01 | 吉林大学 | The preparation of aromatic polyether-ether ketone polyblend |
| CN1469784A (en) * | 2000-10-11 | 2004-01-21 | ������������ʽ���� | Masking material |
| CN1625444A (en) * | 2002-04-08 | 2005-06-08 | 名古屋油化株式会社 | Masking material |
| CN102134384A (en) * | 2011-02-23 | 2011-07-27 | 上海大学 | Polyetheretherketone/polyetherimide/polyethersulfone ternary plastic alloy particles and preparation method thereof |
| CN102863739A (en) * | 2012-10-24 | 2013-01-09 | 上海超高工程塑料有限公司 | Formula for high-temperature-resistant high-strength multi-hole absorbing material and preparation method of material |
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Effective date of registration: 20210218 Address after: No.89 Tonggang Avenue, hi tech Zone, Chizhou City, Anhui Province 247000 Patentee after: CHIZHOU RUIQIANG NEW MATERIAL Co.,Ltd. Address before: 247100 Chizhou College, Chizhou Education Park, Anhui Province Patentee before: CHIZHOU University |