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CN1106046A - Wall coating for building - Google Patents

Wall coating for building Download PDF

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Publication number
CN1106046A
CN1106046A CN 94101202 CN94101202A CN1106046A CN 1106046 A CN1106046 A CN 1106046A CN 94101202 CN94101202 CN 94101202 CN 94101202 A CN94101202 A CN 94101202A CN 1106046 A CN1106046 A CN 1106046A
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CN
China
Prior art keywords
coating
building
water
polyvinyl alcohol
formaldehyde
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN 94101202
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Chinese (zh)
Inventor
贾发林
郭小刚
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Patent Technology Applied Inst Weinan Science & Technology Development Centre
Original Assignee
Patent Technology Applied Inst Weinan Science & Technology Development Centre
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Patent Technology Applied Inst Weinan Science & Technology Development Centre filed Critical Patent Technology Applied Inst Weinan Science & Technology Development Centre
Priority to CN 94101202 priority Critical patent/CN1106046A/en
Publication of CN1106046A publication Critical patent/CN1106046A/en
Pending legal-status Critical Current

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Abstract

The wall paint contains such components (Wt. portion) as water (100), polyvinyl alcohol (6), hydrochloric acid (0.2), formaldehyde (0.5), sodium hydroxide (0.4), dibutyl phthalate (0.3), polyamide (3-5), slaked lime (130-150), sodium hexametaphosphate (0.3), fluorescent whitening agent (0.15) and ultramarine (0.1-0.15), and has advantage over imitation ceramic paint in hardness, adhesion, and water and rubbing resistances.

Description

Wall coating for building
The present invention relates to a kind of inner, external wall coating for building.
In building coating series, the high-grade paint cost is higher, low-grade coating quality is relatively poor, the at present middle-grade porcelain-imitated coating that mainly contains, the smooth exquisiteness of this coating, do not fade, do not go mouldy, " 106 " coating before its appearance has replaced, milky white adhesive and plastic-blasting coating, the decoration that is fit to various buildingss, along with popularizing of porcelain-imitated coating, its shortcoming is also day by day obvious, relatively poor as hardness, water tolerance is relatively poor, and moisture-proof is not wiped these problem ubiquities, and this has influenced the decorative effect and the result of use of porcelain-imitated coating.
The purpose of this invention is to provide a kind of hardness height, water tolerance better and the middle-grade wall coating for building wiped of moisture-proof, to substitute the porcelain-imitated coating that uses at present.
The composition of coating of the present invention and weight proportion are: water: 100 parts, polyvinyl alcohol: 6 parts, technical hydrochloric acid: 0.2 part, formaldehyde: 0.5 part, sodium hydroxide: 0.4 part, dibutyl phthalate (DBP): 0.3 part, polymeric amide: 3-5 part, white lime: 130-150 part, Sodium hexametaphosphate 99: 0.3 part, white dyes: 0.15 part, ultramarine: 0.1-0.15 part.
This wallcovering adopts the high molecular weight water soluble polymer film forming, and give the calcium ion that has added a large amount of free states in the coating, make its a large amount of carbon dioxide in air that absorb after covering with paint, thereby generated the stable calcium carbonate crystal, with high molecular polymer when bonding, promptly formed hard, glossiness newborn rete, this is twice film that this coating adopts.The film forming second time wherein is achieved in that this coating makes stopping composition with white lime, the major ingredient of white lime is a calcium hydroxide, after adding in the coating, just produced the calcium ion of free state in the coating, calcium ion and carbon dioxide in air are by behind the following chemical reaction, generate calcium carbonate crystal at coating surface, just formed nascent membrane after the high molecular polymer that calcium carbonate crystal and formaldehyde, polyvinyl alcohol reaction generate is bonding.
This wallcovering is as the decorative paint of inner, external wall, raw material sources with general coating, owing in coating, added polymeric amide and white lime and other composition of suitable proportion, formed one deck nascent membrane after the brushing, contain a large amount of calcium carbonate crystals in this nascent membrane, therefore hardness, water tolerance and the wet-rub resistance of this coating all are significantly improved, and have overcome porcelain-imitated coating deficiency in this respect.
Below in conjunction with embodiment this wallcovering is further described.
In the majority, exterior coating all is one-pass film-forming after brushing, this wallcovering at first adopts formaldehyde and polyvinyl alcohol condensation to form high molecular polymer film forming then, also adopted in addition to give and added white lime in the coating as stopping composition, make the method for the calcium ion that has a large amount of free states in the coating, coating absorbs carbon dioxide in air in a large number after covering with paint like this, generated the stable calcium carbonate crystal, when boning with the high molecular polymer that at first generates, just formed hard, glossiness newborn rete, this is twice film that this coating adopts, and the chemical reaction that the second time, film forming was carried out is as follows:
The composition of this building coating and weight proportion are: water: 100 parts, polyvinyl alcohol (polymerization degree 1700): 6 parts, technical hydrochloric acid (concentration 30%): 0.2 part, formaldehyde (concentration 36%): 0.5 part, sodium hydroxide: 0.4 part, dibutyl phthalate (DBP): 0.3 part, polymeric amide: 3-5 part, white lime: 130-150 part, Sodium hexametaphosphate 99: 0.3 part, white dyes: 0.15 part, ultramarine: 0.1-0.15 part.
The effect of each composition is as follows: water compositing dispersion medium wherein, and make high molecular polymer, stopping composition and various additive form corpus mamillare, polyvinyl alcohol (polymerization degree 1700) is mainly as sizing agent, the binding agent of coating; Technical hydrochloric acid (concentration 30%) is made catalyzer, makes the condensation under hydrochloric acid catalysis of formaldehyde and polyvinyl alcohol; Formaldehyde (concentration 36%) generates high molecular polyvinyl formal with polyvinyl alcohol, but this high molecular polymer film forming, and have tackiness; Dibutyl phthalate (DBP) is made softening agent; Sodium hydroxide is regulated potential of hydrogen, makes thinner again simultaneously, can reduce dope viscosity; Polymeric amide is made solidifying agent; White lime is made stopping composition; Sodium hexametaphosphate 99 is made dispersion agent, and high molecular polymer and stopping composition etc. are mixed; White dyes (VBL type) plays increases whiteness and the gloss effect of filming; Ultramarine has good photostabilization, thermotolerance, weathering resistance and chemical stability as additive.
The production technique of this coating is identical with the production technique of common coating, also can add other pigment simultaneously in coating, makes coating present shades of colour.
Below some parameters and the porcelain-imitated coating of this wallcovering are done a contrast.
Figure 941012026_IMG1
The test parameter of this coating, draw after having adopted following proportioning: water: 100 parts, polyvinyl alcohol: 6 parts, technical hydrochloric acid: 0.2 part, formaldehyde: 0.5 part, sodium hydroxide: 0.4 part, dibutyl phthalate (DBP): 0.3 part, polymeric amide: 3 parts, white lime: 130 parts, Sodium hexametaphosphate 99: 0.3 part, white dyes: 0.15 part, ultramarine: 0.1 part.

Claims (1)

  1. A kind of wall coating for building is characterized in that this coating is made up of following each composition, and the weight proportion of each composition is, water: 100 parts, polyvinyl alcohol: 6 parts, technical hydrochloric acid: 0.2 part, formaldehyde: 0.5 part, sodium hydroxide: 0.4 part, dibutyl phthalate (DBP): 0.3 part, polymeric amide: 3-5 part, white lime: 130-150 part, Sodium hexametaphosphate 99: 0.3 part, white dyes: 0.15 part, ultramarine: 0.1-0.15 part.
CN 94101202 1994-01-26 1994-01-26 Wall coating for building Pending CN1106046A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 94101202 CN1106046A (en) 1994-01-26 1994-01-26 Wall coating for building

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 94101202 CN1106046A (en) 1994-01-26 1994-01-26 Wall coating for building

Publications (1)

Publication Number Publication Date
CN1106046A true CN1106046A (en) 1995-08-02

Family

ID=5030044

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 94101202 Pending CN1106046A (en) 1994-01-26 1994-01-26 Wall coating for building

Country Status (1)

Country Link
CN (1) CN1106046A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1049412C (en) * 1996-12-12 2000-02-16 王长生 Glaze coating for walls, and process for producing same
CN1309796C (en) * 2005-09-09 2007-04-11 叶贤忠 Production process of waterproof leakage-repairing adhesive
CN101058690B (en) * 2007-05-23 2010-07-28 泉州云麻新资源高分子材料研究中心有限公司 a paint

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1049412C (en) * 1996-12-12 2000-02-16 王长生 Glaze coating for walls, and process for producing same
CN1309796C (en) * 2005-09-09 2007-04-11 叶贤忠 Production process of waterproof leakage-repairing adhesive
CN101058690B (en) * 2007-05-23 2010-07-28 泉州云麻新资源高分子材料研究中心有限公司 a paint

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