Advantages Of Batik

INTRODUCTION

Traditionally batik is a handcrafted resist printing technique that started a long time ago. The technique of producing batik refers to drawing of patterns or motifs on a cloth following the principle of resistance, whereby hot, molten wax, consisting of paraffin wax, is applied to a fabric. The fabric is then dyed and the wax acts as a resist agent to prevent the selected areas of the fabric from absorbing dye. The wax is removed through boiling at the end of the process. Dyes and color used, patterns and motifs, application of wax and removal of wax varies according to the region and culture.

OBJECTIVE

i. To encourage innovation in the batik making process, use of materials and technology towards the betterment of the batik

Some types of synthetic dyes are acid dyes, direct dyes, sulphur dyes, vat dyes, disperse dyes and azoic dyes. These types of dye quickly replaced the traditional natural dyes because of they are cheaper to produce and they offered vast range of colours. Despite of many advantages, there also give bad effect such as:

• Toxicity of the Synthetic Dyes

The chemicals used to produce synthetic dyes today are often highly toxic, hazardous and even explosive. In addition, other harmful chemicals used in the dyeing process include dioxin and toxic heavy metal such as chrome and copper. This problem may deadly risks to workers who manufactured dye and who dyed the garments.

• Environmental Pollution

The production of synthetic dyes requires a solution of a dye in water, in which the fabrics are dipped or washed. However, the wastewater from the dye solution was discharged into the near rivers or drains. The situation cause water pollution and affect marine life.

• Harmful to

Tamarind has been used in textile dyeing and carving material. Some traditional dyeing technique used tamarind as the dye. A paste of sticky tamarind seeds might be coated on the fabric before dipping it in a mordant in preparation for dyeing. In India, cloth was dyed in boiling water with tamarind leaves. The situation can prolong the colour of the cloth. Figure 4.2 shows the chemical structure of tamarind. The ion exchanger based on tamarind kernel powder that is have hydrophilic properties and biodegradable, while ion exchangers prepared from petrochemical products are hydrophobic and not biodegradable.

The Dyeing Process

In this study, the mordanting / dyeing (metachrome) method are both mordanting and dyeing is conduct simultaneously is chosen. In metachrome process, the the dye and mordants are formed on the fiber by simultaneous action. This simpler application gave faster results since only one step and one bath were required. These methods required less time and have high advantage in colour shades. The required dye bath solution was measured based on the weight of the fabric. A liquor ratio of 1:20 was used. The required mordant (1:4) must be dissolved in the solution before the fabric was entered. This was to prevent uneven and spot mark during dyeing. The solution was then poured into a metal tube which was then placed in the Roaches Dyeing Machine set at temperature, 60˚C for 45 minutes to an hour.