CN105085989A - Environmentally-friendly compound antimony trioxide flame retardant for wallpaper and preparation method thereof - Google Patents
Environmentally-friendly compound antimony trioxide flame retardant for wallpaper and preparation method thereof Download PDFInfo
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- CN105085989A CN105085989A CN201510198697.2A CN201510198697A CN105085989A CN 105085989 A CN105085989 A CN 105085989A CN 201510198697 A CN201510198697 A CN 201510198697A CN 105085989 A CN105085989 A CN 105085989A
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Abstract
The present invention discloses an environmentally-friendly compound antimony trioxide flame retardant for wallpaper and a preparation method thereof. The flame retardant comprises the following ingredients by weight: 50-70 parts of antimony trioxide, 20-28 parts of aluminum hydroxide, 4-12 parts of hydrotalcite and 4-12 parts of modified bentonite. The flame retardant is prepared by the steps of bentonite modification, raw material mixing, screening, and waterproof packaging. The present invention employs antimony trioxide, aluminum hydroxide, hydrotalcite and modified bentonite for preparation of the compound flame retardant, and improves wallpaper flame, smoke suppression and processing performances in reducing the amount of antimony. In addition, the raw materials do not contain halogen or heavy metals such as lead and mercury, and do not produce harmful gases or waste in usage, so as to help protect the environment.
Description
[technical field]
The invention belongs to material, chemical field, be specifically related to a kind of wallpaper environment-friendly composite antimonous oxide fire retardant and preparation method thereof.
[background technology]
Wallpaper is a kind of widely used indoor wall finishing material, strong with rich color, skin texture texture, pattern abundant, environmental protection, decorative effect elegant and superior, the feature such as simultaneously possess waterproof, protection against the tide, mildew-resistant, tear-resistant, wear-resistant, ageing-resistant, the life-span is long.Wallpaper primarily of the cotton of pure natural, fiber crops, fiber, wood pulp, the compositions such as wallpaper PVC resin specially, diatomite, the composition that not leaded, benzene, formaldehyde etc. are harmful to health, health environment-friendly.Along with the raising of domestic people's living standard and the enhancing of environmental consciousness, wallpaper becomes the one finishing mode that many people like.
Patent documentation " fire-proof wallpaper treating agent " (application number: CN200910213223.5) discloses a kind of fire-proof wallpaper treating agent, is made up of gypsum, magnesiumcarbonate, tripoli, polymeric amide water.Patent documentation " a kind of manufacture method of fireproof flame-retardation wallpaper " (application number: CN201110001307.X) discloses a kind of manufacture method of fireproof flame-retardation wallpaper, it is characterized in that: (1) produces wallpaper by known rolling process production technique; (2) wallpaper rhythmo structure is made up of protective layer and ply of paper in accordance with the order from top to bottom, by binding agent bonding between two-layer; (3) protective layer is acrylic resin; (4) ply of paper is mineral paper; (5) color pattern of this wallpaper is directly printed on ply of paper; (6) protective layer and ply of paper are flame-retardant layer, but its fire-retardant principle is different; Proved by combustion experiment, wallpaper flame retardant properties reaches B1 level (GB8624-2006).But research shows, when using magnesium, calcium oxide etc. as fire retardant, addition is comparatively large, and flame retardant properties is general, simultaneously not containing smoke suppressing.
Along with wallpaper uses the raising of popularity rate, wallpaper in public places and family's usage quantity increasing, the danger making fire potential significantly increases, and the flame retardant properties of wallpaper also becomes the hot issue that people pay close attention to.Wallpaper belongs to inflammable product, and the toxic gas such as the polyvinyl chloride contained in wallpaper and specialty fibers can produce a large amount of smog when burning and two English classes are carcinogenic, and this is the principal element causing crowd's Poisoning choke in a fire.Simultaneously current wallpaper fire retardant, certain flame retardant resistance is just possessed when needing addition larger, when but fire retardant addition is more, certain influence can be had to the total quality of wallpaper, as wallpaper can be caused to occur appearance poor, harden, frangible, the problems such as snappiness, tear strength reduce greatly, and once the fire retardant in wallpaper is too much, the black smoke produced during burning and the generation of toxic gas also can increase severely.Therefore, how under the prerequisite ensureing wallpaper flame retardant properties, how reduce the consumption of wallpaper fire retardant, not affect wallpaper whole processing performance, and effectively can suppress the generation of black smoke and toxic gas, this has become the focus of research at present.
[summary of the invention]
The flame retardant properties and the smoke suppressing that the present invention is directed to fire retardant in prior art are general, the problem that environmental-protecting performance is poor, a kind of wallpaper environment-friendly composite antimonous oxide fire retardant is provided, this fire retardant has good fire-retardant, smoke suppressing, fire retardant usage quantity can be reduced simultaneously, improve the processing characteristics of wallpaper.
Technical solution of the present invention:
A kind of wallpaper environment-friendly composite antimonous oxide fire retardant, in units of weight part, described fire retardant comprises following raw material: antimonous oxide 60-80 part, aluminium hydroxide 20-30 part, hydrotalcite 4-10 part, modified alta-mud 4-10 part.
Preferably, described wallpaper environment-friendly composite antimonous oxide fire retardant, antimonous oxide and aluminium hydroxide weight ratio are 3-4:1-2; Antimonous oxide and hydrotalcite weight ratio are 8-15:1; Antimonous oxide and modified alta-mud weight ratio are 8-15:1.
Preferably, described wallpaper environment-friendly composite antimonous oxide fire retardant, bentonite modified is adopt one or more properties-correcting agent comprised in titanic acid ester, Aluminate, silane coupling agent to carry out modification.
The present invention also provides a kind of preparation method of wallpaper environment-friendly composite antimonous oxide fire retardant, comprises the following steps:
(1) bentonite modified: to adopt titanic acid ester, Aluminate, one or more in silane coupling agent to wilkinite modifying surface, modification temperature 100-140 DEG C, stir speed (S.S.) 2000-4000rpm/min, churning time 3.5-4.5h;
(2) raw material mixing: antimonous oxide, aluminium hydroxide, hydrotalcite, modified alta-mud are positioned in frequency-conversion agitator and carry out low speed and high-speed two-stage Homogeneous phase mixing, the stirring velocity of low speed mixing is 600-1200rpm/min, mixing time 5-10min, not temperature control; The stirring velocity of high-speed mixing is 2000-5000rpm/min, and temperature controls at 70-100 DEG C, mixing time 20-40min;
(3) mass transport mixed sieved to centrifugal vibrating screen classifier, vibrosieve and centrifugal screen divide and combine, and reduce technical process;
(4) the qualified product of screening is carried out water-repellancy packaging.
Preferably, the preparation method of described wallpaper environment-friendly composite antimonous oxide fire retardant, modification temperature 120-140 DEG C, stir speed (S.S.) 3000-4000rpm/min, churning time 4.0-4.5h in step (1).
Preferably, the preparation method of described wallpaper environment-friendly composite antimonous oxide fire retardant, the centrifugal vibrating screen classifier described in step (1) is the centrifugal vibrating screen classifier of homemade circular rotatable dish.It formed primarily of the circular cloth tray that can freely rotate and the circular screen be fixed on annular screen frame that can freely rotate.Under annular screen frame, vibrating motor and anti-vibrating spring are installed.By each autorotation of circular cloth tray and circular screen, make to need the material of sieve classification to move equably to circular cloth tray and circular screen periphery separately.To be made thinner material bed thickness by this method, shorten the fine particle that is less than size of mesh the arrives compass screen surface Distance geometry time by form material bed of coarse particles, improve screening efficiency.
Advantage of the present invention:
(1) have employed modified alta-mud, aluminium hydroxide, hydrotalcite and the antimonous oxide with flame-retardant smoke inhibition function carries out composite, and the advantage of comprehensive each component, has complementary advantages, and improves fire-retardant, the smoke suppressing of compound product;
(2) aspect chosen by composite raw material, select the environmental protection friendly fire retardant material of the Halogens such as modified alta-mud, aluminium hydroxide, hydrotalcite and antimonous oxide, nontoxic or low toxicity, halogen and the heavy metal elements such as lead, mercury such as the composite raw material chosen is not brominated, chlorine, produce the generation of toxic and harmful and waste when avoiding during burning or reduce burning, be conducive to protection of the environment;
(3) adopt vibration centrifugal sieve apparatus vibrosieve and centrifugal screening synchronously to be carried out, simplification sieving technology, enhances productivity.
[embodiment]
Below in conjunction with embodiment, the present invention is further described.
Embodiment 1: in units of weight part, take antimonous oxide 60 parts, 30 parts, aluminium hydroxide, modified alta-mud 4 parts, hydrotalcite 4 parts, with titanic acid ester properties-correcting agent, modification is carried out to wilkinite, then modified wilkinite, antimonous oxide, aluminium hydroxide, hydrotalcite are put into the variable ratio frequency changer high-speed mixer mode of " first slow rear fast " and mixed, under 1200rpm/min low speed, mix 5min; At rotating speed 5000rpm/min, temperature 90-100 DEG C, the lower 20min of mixing, sieves the mass transport mixed to the centrifugal vibrating screen classifier of circular rotatable dish, the qualified product of screening is carried out water-repellancy packaging.
Embodiment 2: in units of weight part, take antimonous oxide 80 parts, 20 parts, aluminium hydroxide, modified alta-mud 10 parts, hydrotalcite 10 parts, with Aluminate properties-correcting agent, modification is carried out to wilkinite, then modified wilkinite, antimonous oxide, aluminium hydroxide, hydrotalcite are put into the variable ratio frequency changer high-speed mixer mode of " first slow rear fast " and mixed, under 600rpm/min low speed, mix 10min; At rotating speed 2000rpm/min, temperature 70-80 DEG C, the lower 40min of mixing, sieves the mass transport mixed to the centrifugal vibrating screen classifier of circular rotatable dish, the qualified product of screening is carried out water-repellancy packaging.
Embodiment 3: in units of weight part, take antimonous oxide 70 parts, 25 parts, aluminium hydroxide, modified alta-mud 7 parts, hydrotalcite 7 parts, with Aluminate and silane coupling agent, modification is carried out to wilkinite, then modified wilkinite, antimonous oxide, aluminium hydroxide, hydrotalcite are put into the variable ratio frequency changer high-speed mixer mode of " first slow rear fast " and mixed, under 900rpm/min low speed, mix 7.5min; At rotating speed 3500rpm/min, temperature 80-90 DEG C, the lower 30min of mixing, sieves the mass transport mixed to the centrifugal vibrating screen classifier of circular rotatable dish, the qualified product of screening is carried out water-repellancy packaging.
Be applied to respectively in PVC material by product obtained by above embodiment 1-3, according to the performance of national standard test material, the performance test results is as follows:
Table 1 applies embodiment gained wallpaper environment-friendly composite antimonous oxide fire retardant in PVC material the performance test results
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to the scope of patent protection that the present invention is determined by submitted to claims.
Claims (6)
1. a wallpaper environment-friendly composite antimonous oxide fire retardant, is characterized in that: in units of weight part, and described fire retardant comprises following raw material: antimonous oxide 60-80 part, aluminium hydroxide 20-30 part, hydrotalcite 4-10 part, modified alta-mud 4-10 part.
2. wallpaper environment-friendly composite antimonous oxide fire retardant according to claim 1, is characterized in that: antimonous oxide and aluminium hydroxide weight ratio are 3-4:1-2; Antimonous oxide and hydrotalcite weight ratio are 8-15:1; Antimonous oxide and modified alta-mud weight ratio are 8-15:1.
3. wallpaper environment-friendly composite antimonous oxide fire retardant according to claim 1, is characterized in that: bentonite modified is adopt one or more properties-correcting agent comprised in titanic acid ester, Aluminate, silane coupling agent to carry out modification.
4. a kind of wallpaper environment-friendly composite antimonous oxide fire retardant according to any one of claim 1-4 and preparation method thereof, is characterized in that: comprise the following steps:
(1) bentonite modified: to adopt titanic acid ester, Aluminate, one or more in silane coupling agent to wilkinite modifying surface, modification temperature 100-140 DEG C, stir speed (S.S.) 2000-4000rpm/min, churning time 3.5-4.5h;
(2) raw material mixing: antimonous oxide, aluminium hydroxide, hydrotalcite, modified alta-mud are positioned in frequency-conversion agitator and carry out low speed and high-speed two-stage Homogeneous phase mixing, the stirring velocity of low speed mixing is 600-1200rpm/min, mixing time 5-10min, not temperature control; The stirring velocity of high-speed mixing is 2000-5000rpm/min, and temperature controls at 70-100 DEG C, mixing time 20-40min;
(3) mass transport mixed through step (2) sieved to centrifugal vibrating screen classifier, vibrosieve and centrifugal screen divide and combine;
(4) the qualified product of screening is carried out water-repellancy packaging.
5. the preparation method of wallpaper environment-friendly composite antimonous oxide fire retardant according to claim 5, is characterized in that: modification temperature 120-140 DEG C, stir speed (S.S.) 3000-4000rpm/min, churning time 4.0-4.5h in step (1).
6. the preparation method of wallpaper environment-friendly composite antimonous oxide fire retardant according to claim 5, is characterized in that: centrifugal vibrating screen classifier described in step (3) is the centrifugal vibrating screen classifier of circular rotatable dish.
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| CN201510198697.2A CN105085989A (en) | 2015-04-23 | 2015-04-23 | Environmentally-friendly compound antimony trioxide flame retardant for wallpaper and preparation method thereof |
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| CN201510198697.2A CN105085989A (en) | 2015-04-23 | 2015-04-23 | Environmentally-friendly compound antimony trioxide flame retardant for wallpaper and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107186996A (en) * | 2017-05-31 | 2017-09-22 | 江苏大海塑料股份有限公司 | A kind of preparation method of flame retardant type PVC wallpaper |
| CN107286514A (en) * | 2017-07-28 | 2017-10-24 | 张乃斌 | A kind of special antimony base fire retarding synergists of PVC |
| CN108276606A (en) * | 2018-02-05 | 2018-07-13 | 广西大学 | A kind of composite flame-retardant agent for low density polyethylene (LDPE) |
| CN109844000A (en) * | 2016-10-18 | 2019-06-04 | 马丁斯韦克有限公司 | The fire retardant combination of synergy and its purposes in polymer composites |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109844000A (en) * | 2016-10-18 | 2019-06-04 | 马丁斯韦克有限公司 | The fire retardant combination of synergy and its purposes in polymer composites |
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| CN107286514A (en) * | 2017-07-28 | 2017-10-24 | 张乃斌 | A kind of special antimony base fire retarding synergists of PVC |
| CN108276606A (en) * | 2018-02-05 | 2018-07-13 | 广西大学 | A kind of composite flame-retardant agent for low density polyethylene (LDPE) |
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Application publication date: 20151125 |