CN105086203A - Light plastic door and window - Google Patents

Abstract

The invention discloses a light plastic door and window which is prepared from the following raw materials in parts by mass: 6-10 parts of sisal fiber, 60-70 parts of a 20-30% sodium hydroxide solution, 30-41 parts of dimethyl carbonate, 2-3 parts of op-10, 20-30 parts of n-butyl acrylate, 0.4-0.6 part of ammonium persulfate, 60-70 parts of vinyl acetate, 36-40 parts of benzyl chloride, 400-430 parts of polyvinyl chloride, 2-4 parts of polyvinyl butyral, 6-8 parts of dibutyl maleate, 2-4 parts of chitosan, 4-7 parts of boron, 0.4-1 part of hexabromocyclododecane, 2-4 parts of sodium antimonate, 10-17 parts of scolecite, 3-5 parts of potassium pyrophosphate, 31-40 parts of light calcium carbonate and 3-5 parts of palm wax. According to the light plastic door and window disclosed by the invention, the sisal fiber is treated by microwaves to improve the dispersibility of cellulose, so that the accessibility of benzyl chloride to cellulose is increased; after etherification treatment, the quantity of hydroxyl is reduced, and cellulose crystalline texture is damaged to obtain thermoplasticity.

Description

A kind of light plastic door and window

Technical field

The present invention relates generally to plastic door-window field, particularly relates to a kind of light plastic door and window.

Background technology

Plastic door-window can be divided into PVC plastic door and window and glass filament reinforced plastics (glass reinforced plastic) door and window by material, wherein in all kinds of building window, PVC plastic window repeats there is outstanding advantage in recycling and Energy in use at saving section bar production energy consumption, reclaimed materials, has the excellent ratio of performance to price in heat preservation energy-saving.For increasing the rigidity of window, in the stressed member of window frame, sash, stile's section bar, according to the design of wind pressure resistant strength and other service requirements, should determine to use which kind of enhanced type steel.By the coextrusion of UPVC resin and painted polymethylmethacrylate (PMMA) or acrylonitrile-styrene-acrylic ester copolymer (ASA), and overlay film, spraying can obtain the decorative effect of multiple texture and kinds of surface color on white section bar.In addition the mass coloration technology adding coloring material for mixing and extrude in UPVC resin-oatmeal is also had.But different views are still had to this technology, therefore should be prudent especially when selecting, the colour-change situation of this kind of section bar after artificial accelerated aging test be checked.Suggestion covers same color film to improve its weathering resistance on mass coloration section bar.

At global energy growing tension, under the pressure that environment constantly worsens, biological material is due to the feature of environmental protection and functional outstanding great attention also more and more causing people, reproducible biomass resource is converted into the important trend that consumption that novel material carrys out alternative Nonrenewable resources is nowadays social construction and development, the present invention is then with the additive of sisal fibers as plastic door-window, can play and economize on resources, and the good net effect of reinforced plastics door and window overall performance.

Summary of the invention

The object of the invention is exactly a kind of light plastic door and window.

The present invention is achieved by the following technical solutions:

A kind of light plastic door and window, it is made up of the raw material of following weight parts:

Sisal fibers 6-10,20-30% sodium hydroxide solution 60-70, methylcarbonate 30-41, op-102-3, n-butyl acrylate 20-30, ammonium persulphate 0.4-0.6, vinyl-acetic ester 60-70, Benzyl Chloride 36-40, polyvinyl chloride 400-430, polyvinyl butyral acetal 2-4, dibutyl maleinate 6-8, chitosan 2-4, borax 4-7, hexabromocyclododecane 0.4-1, sodium antimonate 2-4, scolecite 10-17, potassium pyrophosphate 3-5, light calcium carbonate 31-40, palm wax 3-5.

A preparation method for light plastic door and window, comprises the following steps:

(1) sisal fibers is dried abrasive dust, add 20-30% sodium hydroxide solution, add Benzyl Chloride, methylcarbonate, stir, be placed in ultrasound bath supersound process 30-35 minute, ultrasonic power 100w, frequency 42kHz; Then be placed in the oil bath heated and stirred 6.5-7 hour of 105-110 DEG C, discharging cools, press filtration, dries, mixes, wear into fine powder, obtain preplasticizing fiber powder with potassium pyrophosphate;

(2) op-10 is joined in 100-120 times of water, add the 80-90% of the 40-50% of ammonium persulphate weight, n-butyl acrylate weight, insulation reaction 20-25 minute at 80-85 DEG C, drip remaining n-butyl acrylate, vinyl-acetic ester successively, remaining ammonium persulphate is added after dropwising, continue insulation 60-70 minute at the temperature disclosed above, obtain polyacrylate elastomer emulsion;

(3) preplasticizing fiber powder is mixed with polyvinyl butyral acetal, dibutyl maleinate, insulated and stirred 1-2 hour at 80-90 DEG C, add polyacrylate elastomer emulsion, hexabromocyclododecane, 300-400 rev/min is stirred 20-27 minute, adds chitosan, borax, stir, cooling, press filtration, vacuum-drying at 60-70 DEG C, obtains thermoplastic fibre elastomerics;

(4) by light calcium carbonate, the mixing of thermoplastic fibre elastomerics, ball milling is even, add each raw material of residue, in feeding charging extruder, melt, to fusing, to be clamp-oned in mould and to shape by heated and stirred, and extruded velocity controls as 2-2.5m/min, PVC profile via mould shape is shaping by cooling water tank Water cooling, and in cooling water tank, water temperature controls as 20-22 DEG C.

Advantage of the present invention is:

The present invention by sisal fibers through microwave treatment, improve cellulosic dispersiveness, Benzyl Chloride is increased cellulosic accessibility, after etherificate process, hydroxyl quantity reduces, crystal structure of cellulose is destroyed, obtain thermoplasticity, simultaneously due to the minimizing of hydroxyl quantity, the dimensional stability of fiber, weathering resistance, erosion resistances etc. are obtained for corresponding increase, press filtration is mixed with polyacrylate elastomer emulsion of the present invention, not only effectively can improve the plasticizing capacity of matrix, improve the hardness of finished product, wear resistance, the resistance to impact shock of finished-product material can also be improved, toughness and dimensional stability, plastic door-window light weight of the present invention, be convenient to transport, processing and installation.

Embodiment

Embodiment 1:

A kind of light plastic door and window, it is made up of the raw material of following weight parts:

Sisal fibers 10,30% sodium hydroxide solution 60-70, methylcarbonate 30, op-103, n-butyl acrylate 30, ammonium persulphate 0.6, vinyl-acetic ester 70, Benzyl Chloride 40, polyvinyl chloride 430, polyvinyl butyral acetal 4, dibutyl maleinate 8, chitosan 2, borax 7, hexabromocyclododecane 0.4, sodium antimonate 4, scolecite 17, potassium pyrophosphate 5, light calcium carbonate 40, palm wax 3.

A preparation method for light plastic door and window, comprises the following steps:

(1) sisal fibers is dried abrasive dust, add 30% sodium hydroxide solution, add Benzyl Chloride, methylcarbonate, stir, be placed in ultrasound bath supersound process 35 minutes, ultrasonic power 100w, frequency 42kHz; Then be placed in the oil bath heated and stirred 6.5 hours of 105-110 DEG C, discharging cools, press filtration, dries, mixes, wear into fine powder, obtain preplasticizing fiber powder with potassium pyrophosphate;

(2) op-10 is joined in 120 times of water, add 50% of ammonium persulphate weight, n-butyl acrylate weight 90%, insulation reaction 25 minutes at 85 DEG C, drip remaining n-butyl acrylate, vinyl-acetic ester successively, remaining ammonium persulphate is added after dropwising, continue insulation 70 minutes at the temperature disclosed above, obtain polyacrylate elastomer emulsion;

(3) preplasticizing fiber powder is mixed with polyvinyl butyral acetal, dibutyl maleinate, insulated and stirred 1 hour at 90 DEG C, add polyacrylate elastomer emulsion, hexabromocyclododecane, 400 revs/min are stirred 27 minutes, add chitosan, borax, stir, cooling, press filtration, vacuum-drying at 60 DEG C, obtains thermoplastic fibre elastomerics;

(4) by light calcium carbonate, the mixing of thermoplastic fibre elastomerics, ball milling is even, add each raw material of residue, in feeding charging extruder, melt, to fusing, to be clamp-oned in mould and to shape by heated and stirred, and extruded velocity controls as 2.5m/min, PVC profile via mould shape is shaping by cooling water tank Water cooling, and in cooling water tank, water temperature controls is 22 DEG C.

To detect, the present invention is lightweight 5-10% compared with similar plastic door-window, thermally uses all without any unusual phenomenon in district at high and cold and height; Resistance to impact shock strengthens 10-20%; Noise reduction usefulness is better, realizes noise reduction 50dB; Principal mode material weldability is good, and fillet weld strength minimum stress can reach 45MPa.

Claims (2)

1. a light plastic door and window, is characterized in that what it was made up of the raw material of following weight parts:

Sisal fibers 6-10,20-30% sodium hydroxide solution 60-70, methylcarbonate 30-41, op-102-3, n-butyl acrylate 20-30, ammonium persulphate 0.4-0.6, vinyl-acetic ester 60-70, Benzyl Chloride 36-40, polyvinyl chloride 400-430, polyvinyl butyral acetal 2-4, dibutyl maleinate 6-8, chitosan 2-4, borax 4-7, hexabromocyclododecane 0.4-1, sodium antimonate 2-4, scolecite 10-17, potassium pyrophosphate 3-5, light calcium carbonate 31-40, palm wax 3-5.

2. a preparation method for light plastic door and window as claimed in claim 1, is characterized in that comprising the following steps:

(1) sisal fibers is dried abrasive dust, add 20-30% sodium hydroxide solution, add Benzyl Chloride, methylcarbonate, stir, be placed in ultrasound bath supersound process 30-35 minute, ultrasonic power 100w, frequency 42kHz; Then be placed in the oil bath heated and stirred 6.5-7 hour of 105-110 DEG C, discharging cools, press filtration, dries, mixes, wear into fine powder, obtain preplasticizing fiber powder with potassium pyrophosphate;

(2) op-10 is joined in 100-120 times of water, add the 80-90% of the 40-50% of ammonium persulphate weight, n-butyl acrylate weight, insulation reaction 20-25 minute at 80-85 DEG C, drip remaining n-butyl acrylate, vinyl-acetic ester successively, remaining ammonium persulphate is added after dropwising, continue insulation 60-70 minute at the temperature disclosed above, obtain polyacrylate elastomer emulsion;

(3) preplasticizing fiber powder is mixed with polyvinyl butyral acetal, dibutyl maleinate, insulated and stirred 1-2 hour at 80-90 DEG C, add polyacrylate elastomer emulsion, hexabromocyclododecane, 300-400 rev/min is stirred 20-27 minute, adds chitosan, borax, stir, cooling, press filtration, vacuum-drying at 60-70 DEG C, obtains thermoplastic fibre elastomerics;

(4) by light calcium carbonate, the mixing of thermoplastic fibre elastomerics, ball milling is even, add each raw material of residue, in feeding charging extruder, melt, to fusing, to be clamp-oned in mould and to shape by heated and stirred, and extruded velocity controls as 2-2.5m/min, PVC profile via mould shape is shaping by cooling water tank Water cooling, and in cooling water tank, water temperature controls as 20-22 DEG C.