CN101168644A - Method for preparing environment-friendly type wear-resisting weather-proof brightener used for artificial leather - Google Patents

Method for preparing environment-friendly type wear-resisting weather-proof brightener used for artificial leather Download PDF

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Publication number
CN101168644A
CN101168644A CNA2007101331622A CN200710133162A CN101168644A CN 101168644 A CN101168644 A CN 101168644A CN A2007101331622 A CNA2007101331622 A CN A2007101331622A CN 200710133162 A CN200710133162 A CN 200710133162A CN 101168644 A CN101168644 A CN 101168644A
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China
Prior art keywords
proof
artificial leather
friendly type
add
type wear
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CNA2007101331622A
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CN100560673C (en
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华明扬
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Jiangyin city's biological new Mstar Technology Ltd
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华明扬
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Abstract

The invention relates to environmental-friendly abrasion proof and weather proof brightening agent used for artificial leather; the brightening agent is mainly used for the surface coating layer of the artificial leather material. The invention is characterized in that vulcabond, methylol silicone oil and esters compound are used to generate performed polymer whose end group is -NCO, and then water wetting monomer, coupling agent and glycol ether are used to perform chain extension reaction, at last, after amine is used to adjust the pH value to neutrality, deionized water is added to be agitated, thereby, the environmental-friendly abrasion proof and weather proof brightening agent used for the artificial leather is obtained. The brightening agent has high strength and soft hand feeling. The invention is also characterized in that no harmful solvent is volatilized during the process of spray painting and scratching solidification. The invention fully accords to the technical requirement of leather environmental protection.

Description

The preparation method of environment-friendly type wear-resisting weather-proof brightener used for artificial leather
Technical field
The present invention relates to a kind of preparation method of environment-friendly type wear-resisting weather-proof brightener used for artificial leather, described brightening agent mainly is used as artificial leather material's top coat.Belong to the auxiliary chemicals technical field.
Technical background
Before the present invention made, the brightening agent that is used for artificial leather material's top coat at present was a solvent borne polyurethane glue product.It mainly has the following disadvantages: contain a large amount of solvents big as toxicity such as toluene, dimethyl formamides, in use a large amount of solvent serious environment pollutions of its discharging.Along with the more and more concern of countries in the world to environmental requirement, the increasingly stringent of environmental regulation, the solvent based product of high pollution is substituted by the watersoluble cleaning product gradually.
And the aqueous polyurethane bonding intensity of general traditional method preparation is low, wears no resistance, and is difficult to reach industrial requirement.
Summary of the invention
The objective of the invention is to overcome above-mentioned deficiency, the preparation method of the high environment-friendly type wear-resisting weather-proof brightener used for artificial leather of a kind of bonding intensity is provided.
The present invention is a kind of environment protection type single-component aqueous polyurethane, is to be solvent with water, can fundamentally reduce and eliminate the objectionable impurities in the coating.The glossiness of the brightening agent that makes is 90-93, and tensile strength reaches 35-40Mpa.Make the wear-resisting corium that reaches of leatheroid light remove from office requirement.Characteristics of the present invention are the intensity height of this thermosol brightening agent, and are soft.Another characteristics of the present invention are not have the hazardous solvent volatilization in spraying and blade coating solidification process.Meet the requirement of leather green technology fully.
The object of the present invention is achieved like this: a kind of preparation method of environment-friendly type wear-resisting weather-proof brightener used for artificial leather, it is characterized in that: use vulcabond, methylol silicone oil and ester compound generate end group and be-performed polymer of NCO, use hydrophilic monomer then, coupling agent, the glycol ether chain extending reaction, regulate the pH value to neutrality with amine at last, add deionized water and stirring, concrete grammar is: add ester compound in reaction vessel, vulcabond, methylol silicone oil, reacted 1.5 ± 0.5 hours down at 85 ± 5 ℃, be cooled to 70-75 ℃, add dimethylol propionic acid (DMPA), glycol ether, insulated and stirred 30-40min, dropping accounts for the dibutyl tin dilaurate of vulcabond weight 0.08-0.12%, add coupling agent, add the acetone that accounts for brightening agent finished product gross weight 0.8-1.2% and reduce system viscosity, 60 ± 5 ℃ are incubated 4.5 ± 0.5 hours, reduce to room temperature, add the triethylamine neutralization, add deionized water, stir, slough acetone, promptly obtain environment-friendly type wear-resisting weather-proof brightener used for artificial leather, each material is to react according to following proportioning:
-NCO :-OH=3-4: 1, wherein-and NCO represents isocyanate group ,-OH represents the hydroxyl of ester compound,
The mol ratio of dimethylol propionic acid and ester compound is 0.5-1: 1,
The mol ratio of glycol ether and ester compound is 1.2-2: 1.
Described coupling agent is an organo-silicon coupling agent.As KH550 or KH560.
Described vulcabond can be IPDI, HDI, TDI or MDI, preferred TDI or IPDI.
Described ester compound can be poly adipate succinic acid ester or polycaprolactone.
Embodiment
Embodiment 1:
In flask, add 70 gram poly adipate succinic acid esters (PBA2000), 20 gram TDI, 5 gram silicone oil 7162 (Shanghai and be full of chemical industry company limited), reacted 1.5 hours down at 85 ℃, be cooled to 70 ℃, add 2.7 gram dimethylol propionic acids (DMPA), 6 gram glycol ethers, insulated and stirred 30min, Dropwise 5 drips dibutyl tin dilaurate, adds 2 gram KH550, add 50 gram acetone, 60 ℃ of insulations 4.5 hours, reduce to room temperature, add 2 gram triethylamine neutralizations, add 800 gram deionized waters, stir, slough acetone, promptly obtain environment-friendly type wear-resisting weather-proof brightener used for artificial leather.
Embodiment 2:
In flask, add 60 gram polycaprolactones (PCL1000), 22 gram IPDI, 5 gram silicone oil 7162 (Shanghai and be full of chemical industry company limited), reacted 1.5 hours down at 85 ℃, be cooled to 75 ℃, add 2.7 gram dimethylol propionic acids (DMPA), 6 gram glycol ethers, insulated and stirred 30min, Dropwise 5 drips dibutyl tin dilaurate, adds 1.5 gram KH560, add 55 gram acetone, 60 ℃ of insulations 4.5 hours, reduce to room temperature, add 2 gram triethylamine neutralizations, add 800 gram deionized waters, stir, slough acetone, promptly obtain environment-friendly type wear-resisting weather-proof brightener used for artificial leather.
Embodiment 3
Used for artificial leather water-based top layer brightening agent 50 grams with above embodiment preparation are sprayed on the PVC synthetic leather surface, be dried to China ink after, leatheroid light, wear-resisting, soft, smooth.

Claims (4)

1. the preparation method of an environment-friendly type wear-resisting weather-proof brightener used for artificial leather, it is characterized in that: use vulcabond, methylol silicone oil and ester compound generate end group and be-performed polymer of NCO, use hydrophilic monomer then, coupling agent, the glycol ether chain extending reaction, regulate the pH value to neutrality with amine at last, add deionized water and stirring, concrete grammar is: add ester compound in reaction vessel, vulcabond, methylol silicone oil, reacted 1.5 ± 0.5 hours down at 85 ± 5 ℃, be cooled to 70-75 ℃, add dimethylol propionic acid, glycol ether, insulated and stirred 30-40min, dropping accounts for the dibutyl tin dilaurate of vulcabond weight 0.08-0.12%, add coupling agent, adding accounts for. the acetone of brightening agent finished product gross weight 0.8-1.2%, 60 ± 5 ℃ of insulations 4.5 ± 0.5 hours, reduce to room temperature, add the triethylamine neutralization, add deionized water, stir, slough acetone, promptly obtain environment-friendly type wear-resisting weather-proof brightener used for artificial leather, each material is to react according to following proportioning:
-NCO :-OH=3-4: 1, wherein-NCO represent isocyanate group ,-OH represents the hydroxyl of ester compound,
The mol ratio of dimethylol propionic acid and ester compound is 0.5-1: 1,
The mol ratio of glycol ether and ester compound is 1.2-2: 1,
Described coupling agent is an organo-silicon coupling agent.
2. the preparation method of a kind of environment-friendly type wear-resisting weather-proof brightener used for artificial leather according to claim 1, it is characterized in that: described vulcabond is IPDI, HDI, TDI or MDI.
3. the preparation method of a kind of environment-friendly type wear-resisting weather-proof brightener used for artificial leather according to claim 1, it is characterized in that: described ester compound can be poly adipate succinic acid ester or polycaprolactone.
4. the preparation method of a kind of environment-friendly type wear-resisting weather-proof brightener used for artificial leather according to claim 1, it is characterized in that: described organo-silicon coupling agent is KH550 or KH560.
CNB2007101331622A 2007-09-20 2007-09-20 The preparation method of environment-friendly type wear-resisting weather-proof brightener used for artificial leather Expired - Fee Related CN100560673C (en)

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CN100560673C CN100560673C (en) 2009-11-18

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CN102615902A (en) * 2012-03-21 2012-08-01 张家港万兴塑料制品有限公司 Method for fabricating PVC (polyvinyl chloride) composite sofa cloth

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* Cited by examiner, † Cited by third party
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CN100489045C (en) * 2005-05-25 2009-05-20 浙江科技学院 Poly siloxane leather coating material and its preparation method
CN1321142C (en) * 2005-11-11 2007-06-13 华中师范大学 Prepn of dihydroxy dialkyl siloxane polymer modified water-base polyurethane
CN100383178C (en) * 2005-11-15 2008-04-23 华南理工大学 Bicompenent high solid content aqueous polyurethane, its preparation method and application
CN100547044C (en) * 2006-09-14 2009-10-07 华明扬 The preparation method of aqueous polyurethane and organosilicon, organofluorine copllymerized water-proof air-moisture-permeable antibacterial coating adhesive
CN100489043C (en) * 2006-09-14 2009-05-20 华明扬 Preparation process of aqueous polyurethane water-proof air-permeable moisture-permeable antibacterial coat glue
CN100528995C (en) * 2006-09-14 2009-08-19 华明扬 Preparation process of antibacterial poromeric paint comprising water-thinned polyurethane and silicone/acrylic acid copolymer

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Owner name: JIANGYIN RUCO TECHNOLOGY CO., LTD.

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Address after: 214421 Jiangsu city in Jiangyin Province town of Hua Industrial Zone

Patentee after: Jiangyin Ruco Technology Co., Ltd.

Address before: 214421 Jiangsu city in Jiangyin Province town of Hua Qin Feng Road No. 53

Patentee before: Hua Mingyang

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Effective date of registration: 20151216

Address after: 214421 Jiangsu city of Jiangyin province Zhenlong Hua Industrial Zone sand sand road No. 8

Patentee after: Jiangyin city's biological new Mstar Technology Ltd

Address before: 214421 Jiangsu city in Jiangyin Province town of Hua Industrial Zone

Patentee before: Jiangyin Ruco Technology Co., Ltd.

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Granted publication date: 20091118

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CF01 Termination of patent right due to non-payment of annual fee